CN108792400B - Intelligent warehouse with automatic access function - Google Patents
Intelligent warehouse with automatic access function Download PDFInfo
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- CN108792400B CN108792400B CN201810738721.0A CN201810738721A CN108792400B CN 108792400 B CN108792400 B CN 108792400B CN 201810738721 A CN201810738721 A CN 201810738721A CN 108792400 B CN108792400 B CN 108792400B
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- 239000000463 material Substances 0.000 claims abstract description 227
- 238000003860 storage Methods 0.000 claims abstract description 26
- 238000012546 transfer Methods 0.000 claims abstract description 25
- 230000001939 inductive effect Effects 0.000 claims description 14
- 230000007704 transition Effects 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 230000003993 interaction Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 13
- 230000001360 synchronised effect Effects 0.000 description 8
- 210000001503 joint Anatomy 0.000 description 6
- 230000036544 posture Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000007726 management method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000013439 planning Methods 0.000 description 2
- 238000012384 transportation and delivery Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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- 125000006850 spacer group Chemical group 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
- B65G1/04—Storage devices mechanical
- B65G1/06—Storage devices mechanical with means for presenting articles for removal at predetermined position or level
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
- B65G1/04—Storage devices mechanical
- B65G1/137—Storage devices mechanical with arrangements or automatic control means for selecting which articles are to be removed
- B65G1/1373—Storage devices mechanical with arrangements or automatic control means for selecting which articles are to be removed for fulfilling orders in warehouses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention relates to an intelligent warehouse with automatic access function, which can improve the access efficiency and accuracy, comprising: a plurality of shelves which are staggered with each other and driven by the lifting devices to lift, wherein each shelf is provided with at least one stacking area; the working platform is horizontally arranged above the shelves, an inlet and an outlet are arranged at the positions corresponding to the shelves, and identifiers for acting with the labels on the materials positioned in the inlet and the outlet are respectively embedded in the inlets and the outlets; the conveying main line comprises a main body part horizontally arranged at one side of the goods shelves and a buffer conveyor positioned in front of the main body part, a parking device is arranged at the rear end of the buffer conveyor, a stopping device and a sensing switch are respectively arranged at the rear ends of the main body part and the various stacking areas of the goods shelves, a first reader is arranged at the front section of the main body part, and a sensor is arranged on a working platform between the goods shelves and the conveying main line; the transfer line is horizontally arranged on the other sides of the plurality of shelves; and the storage device is used for transferring materials among the conveying main line, the goods shelves and the transfer line.
Description
Technical Field
The invention relates to the technical field of warehouse equipment, in particular to an intelligent warehouse with an automatic access function.
Background
In a manufacturing enterprise, material management is an indispensable part of the management of the whole enterprise. Particularly, in industries with large material usage amount and various material types, such as brake pad production industry, whether required materials can be obtained rapidly and accurately, and the production efficiency and the production cost of enterprises are directly affected.
The conventional SMT material warehouse is still mainly controlled manually, so that a large amount of human resources are consumed in the mode, the efficiency is low, and phenomena such as material error, loss, material stagnation and the like are frequently caused; the existing semi-automatic stereoscopic warehouse is used for material management, only batch storage and retrieval can be carried out, single material storage and retrieval can be realized only by matching with manual searching, accurate storage and retrieval of single materials can not be carried out automatically, and manual account sales are needed; although the existing small automatic stereoscopic warehouses can realize accurate storage and taking of single materials, the capacity is small, and large-scale material management cannot be realized.
Disclosure of Invention
The invention aims to provide an intelligent warehouse with an automatic storing and taking function, which improves the efficiency and accuracy of material storing and taking.
The technical scheme adopted by the invention is as follows:
have intelligent warehouse of automatic access function, include:
The shelves are staggered with each other and driven by the lifting devices to lift up and down, and each shelf is provided with at least one stacking area;
the working platform is horizontally arranged above the plurality of shelves, the corresponding parts of the working platform and each shelf are respectively provided with an inlet and an outlet, and identifiers for acting with the labels on the materials positioned in the inlet and the outlet are respectively embedded in each inlet and outlet;
the conveying main line comprises a main body part horizontally arranged on a working platform at one side of the plurality of shelves and a buffer conveyor positioned in front of the main body part, wherein a parking device is arranged at the rear end of the buffer conveyor, a stopper and a sensing switch are respectively arranged at positions of the main body part corresponding to the rear ends of the stacking areas in the shelves, a first reader is arranged at the front section of the main body part, and a sensor is arranged on the working platform between each shelf and the conveying main line;
the transfer line is horizontally arranged on the working platform at the other side of the plurality of shelves; and
and the storage device is used for transferring materials among the conveying main line, the goods shelves and the transfer line.
Preferably, the main body part of the conveying main line comprises independent conveyors which are respectively arranged corresponding to the shelves, the first reader is arranged at the front section of the forefront independent conveyor, the stoppers are respectively arranged at the positions, corresponding to the rear ends of the stacking areas in the shelves, of the independent conveyors, the stoppers are respectively arranged at one sides, deviating from the shelves, of the independent conveyors, and the inductive switch is arranged on the material interaction surface of the stoppers.
Preferably, the acting surface of the stopper is also provided with a positive guide conveying belt.
Preferably, a fourth reader for reading a tag on the blocked material is provided at the parking position.
Preferably, the access device comprises an access cylinder, a guide rail, a mounting plate, a sliding seat and a clamping assembly, wherein the access cylinder is mounted on a working platform on one side, far away from the plurality of shelves, of the transfer line, the guide rail is perpendicular to the main body part of the conveying main line, extends on the working platform and is staggered with each inlet and outlet, the mounting plate is vertically mounted at the tail end of a piston rod of the access cylinder and the bottom end of the piston rod is provided with a mounting notch, the width of the mounting plate is larger than that of the transfer line, the top wall of the mounting notch is horizontally provided with a rolling screw driven by a servo motor through a bearing seat, the clamping assembly is in threaded fit with the rolling screw through the sliding seat, and the clamping assembly is provided with two movable clamping plates which are respectively parallel to the conveying main line and are opposite to the conveying main line.
Preferably, each goods shelf is respectively provided with a supporting bottom plate used for supporting the material stack and connected with the lifting device, a boss matched with the inlet and the outlet is convexly arranged at the center of the supporting bottom plate, a dimension stabilizing ring is respectively arranged at the bottom of the working platform around the periphery of each inlet and the outlet, and a through groove for the dimension stabilizing ring to pass through is arranged at the position of the supporting bottom plate corresponding to the dimension stabilizing ring.
Preferably, each goods shelf is respectively provided with a supporting upright post and a supporting bottom plate used for supporting the material stack and connected with the lifting device, a boss matched with the inlet and the outlet is convexly arranged at the center of the supporting bottom plate, and a synchronizing mechanism is matched between the supporting bottom plate and the supporting upright post.
Preferably, each goods shelf is respectively provided with a supporting bottom plate used for supporting the material stack and connected with the lifting device, one end of each supporting bottom plate is respectively provided with a sensing plate which horizontally and outwards extends, and the position of the bottom of the working platform corresponding to each sensing plate is respectively provided with a distance sensor; or/and (or)
Each goods shelf is respectively provided with a supporting bottom plate used for supporting the material stack and connected with the lifting device, and weighing sensors are respectively arranged at the corresponding material stack positions of the supporting bottom plate.
Preferably, the intelligent warehouse further comprises a revolving line, an inlet of the revolving line is abutted to a conveying main line behind a rearmost goods shelf, an outlet of the revolving line is abutted to the conveying main line in front of the buffer conveyor, the conveying main line further comprises a transition conveyor abutted to the abutting position of the inlet of the revolving line, a first sensor and a diverter are arranged at the corresponding position of the transition conveyor and the inlet of the revolving line, and a second sensor is further arranged at the inlet of the revolving line.
Preferably, the intelligent warehouse further comprises a branch line, wherein an inlet of the branch line is butted on a conveying main line in front of the buffer conveyor, an outlet of the branch line is butted on a main body part, and the main body parts in front and behind the outlet of the branch line are mutually independent conveying branch systems; the conveying main line in front of the branch line inlet is provided with a second reader, the conveying main line butted with the branch line outlet is provided with a third reader, the inlet of the branch line is provided with an industrial robot, the outlet of the branch line is a second buffer conveyor, and the second buffer conveyor is provided with a second parking device.
The invention has the beneficial effects that:
1. according to the invention, the main body part of the conveying main line is arranged on one side of the goods shelf, the transfer line is arranged on the other side of the goods shelf, the storing and taking device transfers materials among the main body part, the goods shelf and the transfer line, the storing and taking device stores the materials on the main body part into the goods shelf or takes the materials on the goods shelf to the main body part for delivery, the storing and taking device also takes the old materials on the goods shelf to the transfer line for delivery, and the materials are provided with the labels for representing the uniqueness of the materials, so that the storing and taking of the materials on the corresponding goods shelf can be completed through the same storing and taking device, new materials are fed after the materials on the goods shelf are preferentially taken out, the mixing of the new materials and the old materials is avoided, the stock process is influenced, and the storing and taking efficiency and the accuracy are improved.
2. The storage shelves of the invention are provided with a plurality of storage shelves and the stacking areas on the storage shelves, namely, each storage shelf can be provided with at least one stacking area, namely, each storage shelf can be provided with only one stack of materials, or a plurality of stacks of materials can be arranged side by side at intervals, and the stacks of materials can be the same material or stacked and stacked materials belong to different materials, so that the storage shelves of each material and the stacking areas on the storage shelves can be comprehensively arranged according to the use amount of each material and other factors, and then the storage shelves and the stacking areas on the storage shelves are input into a database for storage before stock storage, thereby facilitating the pertinence and the accuracy of subsequent storage and fetching.
3. According to the invention, each goods shelf is respectively and correspondingly arranged below an inlet and an outlet of a working platform, materials are stored in the goods shelf or taken out from the goods shelf through the inlet and the outlet, a distance sensor is arranged between a supporting bottom plate of the goods shelf and the bottom surface of the working platform, or/and a weighing sensor is respectively arranged on each overlapping area of the supporting bottom plate, the allowance of the corresponding materials can be judged through the distance signal of the distance sensor or/and the weight signal of the weighing sensor, and a manager can be informed to perform corresponding purchasing activities and accurately acquire the types of the materials to be purchased after the distance signal or/and the weight signal of the weighing sensor are smaller than the safety distance or the safety quantity.
4. The invention has the advantages that the maintenance rings are convexly arranged on the bottom surface of the working platform at the periphery of the inlet and the outlet, the maintenance rings are surrounded outside the upper-layer materials, the overall stability of the material stack can be enhanced, meanwhile, the through grooves are correspondingly arranged on the supporting bottom plate, so that when the goods shelf rises to the high position, the maintenance rings can pass through the through grooves without blocking the material to rise, further, each overlapping area is arranged on the boss of the supporting bottom plate, the boss can enter and exit the inlet and the outlet, and therefore, the material at the bottommost layer can be taken out by the access device through the upward protruding working platform.
5. According to the invention, the stoppers are movably arranged at the positions of the main body part corresponding to the overlapping areas of the shelves respectively, the stoppers are used for keeping the materials at relatively fixed positions and correcting the postures of the materials through the guide conveying belts on the stoppers, the stoppers are provided with the inductive switches, and the materials stop at the stoppers and act with the inductive switches, so that the main body part or the corresponding independent conveyor stops, and the stoppers automatically retract after stopping for a set time, thereby facilitating the clamping of the access device. The inductive switch is arranged on the action surface of the stopper, so that abnormal shutdown caused by incorrect response of the inductive switch to other materials on the path can be avoided.
6. According to the invention, the buffer conveyor is arranged at the front end of the main body part in a butt joint manner, the parking device is arranged on the buffer conveyor, the next material is stopped by the parking device, the phenomenon that the normal work of the stock is influenced due to the mutual piling of the materials is avoided, and the sensor is arranged on the working platform between the goods shelf and the main body part, so that the parking device can be lifted and released through the sensing of the sensor after the material is taken from the main body part by the access device.
7. According to the invention, the branch lines are further added, the material batch groups are respectively fed into the main body part through the branch lines, so that the waiting time and the conveying path of the material on the rear goods shelf can be reduced, the rotary line is further added, the material which is not accurately read by the reader is returned to the feeding line through the rotary line, and the material is processed on the rotary line so as to greatly increase the probability of being accurately read.
Drawings
Fig. 1 is a top view of the basic intelligent warehouse of the present invention.
Fig. 2 is a top view of an upgraded intelligent warehouse with a turn line of the present invention.
FIG. 3 is a top view of an upgraded intelligent warehouse of the present invention with turn lines and branch lines.
FIG. 4 is a front view of the pallet and work platform of the present invention.
Fig. 5 is a top view of the support floor of the present invention.
Fig. 6 is a schematic view of the stopper structure of the present invention.
FIG. 7 is a schematic view of a parking device and a fourth reader mounting structure according to the present invention.
FIG. 8 is a schematic diagram of a second parking device and a fifth reader mounting structure according to the present invention.
FIG. 9 is a schematic diagram of an access device according to the present invention.
Fig. 10 is a schematic view of a material clamping side structure of the access device of the present invention.
Reference numerals illustrate:
10. a goods shelf; 11. a support base plate; 12. a guide mechanism; 13. a shelf body; 14. a boss; 15. a synchronizing shaft; 16. a synchronous rack; 17. an induction plate; 20. a conveying main line; 21. an independent conveyor; 22. a buffer conveyor; 23. a transition conveyor; 24. a diverter; 201. a first reader; 202. a second reader; 203. a third reader; 204. a fourth reader; 205. a fifth reader; 206. a first inductor; 207. a second inductor; 208. a sensor; 30. a transfer line; 40. a rotating line; 50. a branch line; 51. a second buffer conveyor; 52. a second parking device; 53. an industrial robot; 60. an access device; 61. an access cylinder; 62. a mounting plate; 63. a guide rail; 64. a slide; 65. a clamping assembly; 66. a rolling screw rod; 70. a lifting device; 80. a working platform; 81. an inlet and an outlet; 82. a maintenance ring; 83. a distance sensor; 84. an identifier; 91. a parking device; 911. parking the cylinder; 912. a parking plate; 92. a stopper; 921. stopping the cylinder; 922. a stop plate; 923. an inductive switch; 924. and guiding the positive conveying belt.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in fig. 1, 2, 4-10, the present embodiment provides an intelligent warehouse with automatic access function, which comprises an industrial control host, a conveying main line 20, a transfer line 30, a turning line 40, an access device 60 and a plurality of shelves 10, wherein each shelf 10 is used for storing materials, each material is provided with a tag (such as a two-dimensional code or a bar code, the information includes a name, a service life, a provider, a number and the like) for storing detailed information thereof, the conveying main line 20 is used for conveying the materials to be stored near the corresponding shelf 10 or outputting the materials to be fetched to the warehouse, the transfer line 30 is used for outputting the materials to the warehouse on each shelf 10 before new products are put on the shelf so as not to affect the normal operation of the conveying main line 20, the turning line 40 is used for returning the materials which are not accurately read by the first reader 201 on the conveying main line 20 due to various reasons to process and re-send the materials to the conveying main line 20, the access device 60 is used for storing the materials to be stored in the specified shelf 10 from the conveying main line 20 or moving the materials to be fetched to the conveying main line 30, the materials to be fetched to the transfer line 30, and the industrial control host is used for controlling the industrial control host.
In this embodiment, each shelf 10 is driven by a respective lifting device 70 to lift up and down, the multiple shelves 10 are staggered with each other and are preferably arranged at intervals side by side, a working platform 80 is arranged at the same level above each shelf 10, and the working platform 80 is provided with an inlet 81 for feeding materials to the upper and lower shelves, specifically: the goods shelf 10 comprises a goods shelf main body 13 positioned below the working platform 80, a guide mechanism 12 arranged parallel to the lifting direction of the materials and a supporting bottom plate 11 in sliding fit on the guide mechanism 12, wherein the materials are placed on the supporting bottom plate 11 in a stacked manner, or are stacked in a stacked manner or are stacked in a side-by-side manner at intervals, even more, and the side-by-side direction is consistent with the conveying direction of the materials on the conveying main line 20. The lifting device 70 is connected with the supporting base plate 11, and may be two lifting cylinders disposed at two symmetrical sides of the bottom of the shelf main body 13, or a chain transmission type lifting mechanism disposed between the working platform 80 and the supporting base plate 11 may be further combined on the basis of the lifting cylinders, and the chain transmission type lifting mechanism is of a conventional structure and will not be described herein. The lifting device 70 is used for lifting the uppermost material of the target stack to protrude relative to the top surface of the working platform 80 during picking, so that the operation of the storing and taking device 60 is facilitated, or lifting the uppermost material of the target stack to a position just capable of bearing the material falling from the working platform 80 during stocking, and the uppermost material is close to the inlet and outlet 81 of the working platform 80 in a standby state, so that the stock process descends one by one, and the picking process ascends one by one. The inlet and outlet 81 may be an annular through hole structure, or a spacer may be connected to the annular through hole structure at a position corresponding to a space between adjacent stacking areas on the same shelf 10.
Further, in order to enhance the balance of the stacked materials, in this embodiment, a dimension stabilizing ring 82 may be disposed at the bottom of the working platform 80 around the periphery of each inlet and outlet 81, the height of the dimension stabilizing ring 82 is preferably 2-4 materials, and a through slot for the dimension stabilizing ring 82 to pass through is disposed at the position of the supporting bottom plate 11 corresponding to the dimension stabilizing ring 82, so as to ensure that the bottom material on the supporting bottom plate 11 can be raised onto the working platform 80. In order to realize that the bottommost material can be lifted and raised onto the working platform 80 only by the lifting device 70, a boss 14 matched with the inlet and outlet 81 is raised at the center of the supporting bottom plate 11 in the embodiment, the height of the boss 14 is greater than or equal to the vertical depth of the inlet and outlet 81 at the corresponding position, and the boss 14 can be lifted up and down in the inlet and outlet 81, so that the bottommost material can be raised onto the working platform 80 to be taken out.
Further, in order to ensure that the supporting base plate 11 does not incline during the lifting process, and ensure the level of the supporting base plate 11, the embodiment is further provided with a synchronization mechanism on each shelf 10, and specifically: the front end and the rear end of the supporting base plate 11 are recessed downwards to form mounting grooves, the synchronous shafts 15 are horizontally and rotatably mounted in the mounting grooves through bearing seats respectively, synchronous gears are fixedly sleeved at the two ends of each synchronous shaft 15 respectively and are close to one supporting upright post of the shelf main body 13 respectively, and synchronous racks 16 meshed with the synchronous gears are vertically arranged on the supporting upright posts of the shelf main body 13 adjacent to the synchronous gears respectively, so that the four corners of the supporting base plate 11 are kept to be lifted synchronously in the same horizontal plane through the synchronous mechanism, partial lifting is avoided, and the stacked materials on the supporting base plate 11 are prevented from falling due to inclination. Moreover, the height from the top end of the synchronizing gear to the top surface of the boss 14 is greater than the vertical depth of the inlet and outlet 81 at the corresponding position, so that the synchronizing mechanism is prevented from being abutted against the bottom surface of the working platform 80 when the lowest material protrudes upwards from the working platform 80.
In order to supplement new goods to the corresponding goods shelves 10 in time, one end of each supporting bottom plate 11 is respectively provided with a sensing plate 17 protruding outwards horizontally, the positions, corresponding to the sensing plates 17, of the bottom of the working platform 80 are respectively provided with a distance sensor 83 electrically connected with an industrial control host, such as a GP2D12 infrared distance sensor, when the supporting bottom plates 11 are driven to rise to a certain height by the lifting device 70, the distance sensors 83 detect that the distance between the supporting bottom plates 11 and the working platform 80 is smaller than a safe distance, and then a replenishment signal is sent to the industrial control host, and then a manager can know that the materials on the corresponding goods shelves 10 need purchasing activity. In addition, in order to avoid that materials placed on the same shelf 10 are different and cannot automatically learn what materials specifically need to be supplied, in this embodiment, weighing sensors electrically connected with an industrial control host are respectively disposed at corresponding material stacking positions of the supporting base plate 11, and since the weight of a single material is basically fixed and the materials stored at each position are set, the number of each stack of materials of each shelf 10 can be converted and obtained in real time through the weighing sensors, and after the number is reduced to a safe number, a manager is reminded to perform purchasing activities of corresponding goods.
The identifier 84 is embedded in the position of the inlet and outlet 81 corresponding to the label on the material in the inlet and outlet 81, the identifier 84 can judge the material information of the corresponding stack and store the material information on the industrial control host, so that the storage and retrieval device 60 can store the corresponding material in the corresponding stack or take the material away from the goods shelf 10 accurately, and misoperation and traceability of material use are avoided. Moreover, if the stacks of material on the same pallet 10 are all the same material, to ensure that the heights of the stacks are substantially the same or not much different, a shorter stack of material is preferentially stacked on the shorter stack when no material is sensed during inventory, and only a higher stack of material is preferentially picked from the higher stack when a load is picked. If the stacks of material on the same pallet 10 are different, the stacks are handled conventionally, i.e. lowered after receiving and raised after delivering.
In this embodiment, the conveying main line 20 includes a main body portion, a feeding line abutting on a front end of the main body portion, and a discharging line abutting on a rear end of the main body portion, wherein the main body portion of the conveying main line 20 is horizontally disposed on the working platform 80 on one side of the plurality of shelves 10, and a conveying surface thereof is on a same horizontal plane with a top surface of the working platform 80. The input end of the feeding line can extend to the unloading point of the warehouse, so that cargoes can be directly placed on the feeding line one by one after arriving at the warehouse, the carrying of the cargoes is avoided, the labor intensity and the cost are reduced, and in addition, the distance between two adjacent materials on the feeding line is increased by accelerating the feeding line. The output end of the discharging line can be connected with a feeding device for conveying each material to the target using site, and the feeding device is not in the category of the intelligent warehouse in the embodiment and is not described herein.
The feeding line comprises a buffer conveyor 22 positioned at the output end of the buffer conveyor 22, the buffer conveyor 22 is driven to run by a power device of the buffer conveyor 22, a parking device 91 is arranged at the rear end of the buffer conveyor 22, the parking device 91 is positioned in front of the first reader 201, the parking device 91 can adopt a pneumatic blocking piece transversely arranged above the conveying surface of the buffer conveyor 22, the pneumatic blocking piece comprises a fixing frame, a parking cylinder 911 and a parking plate 912, the fixing frame is in a gantry shape, two ends of the fixing frame are fixedly arranged on two sides of the frame of the buffer conveyor 22, the parking cylinder 911 is arranged on a transverse plate of the fixing frame, and the parking plate 912 is arranged below the transverse plate of the fixing frame and driven by the parking cylinder 911 to lift up and down between the conveying surface and the transverse plate.
The body portion may be an integral conveyor line. However, it is more preferable that the main body portion includes independent conveyors 21 provided corresponding to the respective racks 10, and the independent conveyors 21 are driven and operated by respective driving motors. Meanwhile, a first reader 201 for reading labels on materials is installed at the front section of the forefront independent conveyor 21, the first reader 201 is connected with an industrial control host, detailed information of each material is sent to the industrial control host through the first reader 201, and then the industrial control host sends a driving instruction to corresponding related equipment according to the obtained material information.
The independent conveyor 21 is provided with stoppers 92 at positions corresponding to the rear ends of the stacks in the racks 10, and when the materials move along the conveying main line 20 and are read by the first reader 201, the industrial control host drives the stoppers 92 to act so as to keep the materials to be stored in a relatively fixed position, thereby facilitating the accurate operation of the access device 60. Preferably, the stopper 92 is mounted on a side of the independent conveyor 21 facing away from the shelf 10, the stopper 92 includes a stop cylinder 921 fixedly mounted on a side of the independent conveyor 21 through a transverse boss, and a stop plate 922 driven by the stop cylinder 921 to stop or retract the material in a direction perpendicular to the conveying direction of the independent conveyor 21, an acting surface of the stop plate 922 is parallel to a rear edge of the material in a stacked state, an inductive switch 923 for sensing the material to be conveyed to the position of the stopper 92 is arranged on the acting surface of the stop plate 922, the inductive switch 923 is electrically connected with an industrial control host, and when the industrial control host receives a sensing signal sent by the inductive switch 923, the independent conveyor 21 where the stopper 92 is located is controlled to stop, the stopper 92 is stopped in a downward direction, and the material is allowed to be stored in correspondence to the access device 60 where the shelf 10 is located, and meanwhile, the working time of the stopper 92 is set to stop in a retracted state automatically when the working time is reached. The working platform 80 between each independent conveyor 21 and the corresponding goods shelf 10 is provided with a sensor 208 for detecting the material transferred from the access device 60 to the goods shelf 10, when the material is taken away, the sensor 208 outputs an induction signal, and then the industrial control host sends a starting signal to the driving motor of the corresponding independent conveyor 21, the independent conveyor 21 resumes normal operation, and the parking device 91 releases upwards.
Further, since the posture of the material on the conveying main line 20 is not necessarily in the correct posture, in this embodiment, the guiding conveying belt 924 is further embedded on the acting surface of the stopping plate 922, the conveying surface of the guiding conveying belt 924 is parallel to the rear edge of the material in the stacking state and runs along the extending direction of the stopping plate 922, and by setting, the guiding conveying belt 924 starts the stopping signal output of the inductive switch 923 and runs for a set time (such as 2-3 seconds) at a constant low speed, so that the correction of the posture of the material is realized by the guiding conveying belt 924. Preferably, the conveying surface of the guiding conveyor belt 924 is flush with the acting surface of the stopping plate 922.
In addition, it is noted that it is preferable that the body portion is provided to include several independent conveyors 21, because this allows for a more flexible design, reducing the waiting time of the inventory. For example, in this embodiment, a fourth reader 204 for reading a tag on a blocked material may be further disposed at the position of the parking device 91, where the fourth reader 204 is connected to an industrial control host, if the material information sent by the fourth reader 204 to the industrial control host belongs to a product different from the previous material and corresponding to the front of the shelf 10 corresponding to the previous material, the industrial control host controls the parking device 91 to lift and release, and when the released material passes through the first reader 201, the corresponding stopper 92 also starts to act, and the released material continues to be conveyed to the corresponding stopper 92 and acts with the inductive switch 923, the independent conveyor 21 where the stopper 92 is located stops, the parking device 91 stretches down and stops, and allows the access device 60 where the corresponding shelf 10 is located to carry out inventory, and meanwhile, the working time of the protruding and stretching stop of the stopper 92 is set, and when the working time reaches, the working time is automatically retracted and is in a released state. If there are multiple materials on the main body portion that are in stock, and the material information sent by the fourth reader 204 to the industrial control host is located at the rear of the shelf 10 corresponding to the last material on the line, the material information must be released after the industrial control host receives the feedback signals sent by the sensors 208 corresponding to all the materials on the line.
The inlet of the rotary line 40 is abutted on the conveying main line 20 behind the rearmost goods shelf 10, the outlet of the rotary line 40 is abutted on the conveying main line 20 in front of the buffer conveyor 22, and a checking station and a re-pasting station for labels are arranged on the rotary line 40, so that the materials returned to the feeding line are ensured to have accurate labels through the checking station and the re-pasting station. The conveying main line 20 further comprises a transition conveyor 23 which is arranged at a butt joint position with the inlet of the rotary line 40 in a butt joint way, the transition conveyor 23 is provided with an input end which is in butt joint with the front conveying main line 20, a first output side which is in butt joint with the rear conveying main line 20 and a second output side which is in butt joint with the inlet of the rotary line 40, a first sensor 206 and a diverter 24 which are connected with an industrial control host are arranged at the position, corresponding to the inlet of the rotary line 40, of the transition conveyor 23, the first sensor 206 only acts in a storage procedure, when the material moves to the first sensor 206, the first sensor 206 responds to a turning signal sent to the industrial control host, the industrial control host drives the transition conveyor 23 to stop and moves the material to the rotary line 40 through the diverter 24, and the diverter 24 is reset to stop the conveying path of the conveying main line 20 after the transition conveyor is in place. The entrance of the turning line 40 is also provided with a second sensor 207 connected with the industrial control host, and when the material to be turned passes through the second sensor 207, the industrial control host controls the transition conveyor 23 to run again. The first sensor 206 and the second sensor 207 may each use a photoelectric sensor, and the diverter 24 may use a pneumatic push rod.
In this embodiment, the transfer line 30 is horizontally disposed on the working platform 80 on the other side of the plurality of shelves 10, and the conveying surface thereof is on the same horizontal plane as the top surface of the working platform 80. To avoid confusion in the storage and retrieval of the same pallet 10, it is preferable that all the materials corresponding to the pallet 10 are not fed to the feeding line before all the used materials on the pallet 10 are transferred to the transfer line 30, or all the materials corresponding to the pallet 10 on the feeding main line 20 are returned directly from the turning line 40 to the feeding line without being stopped. The method for judging whether the goods shelf 10 is used or not may be that the corresponding identifier 84 in the inlet 81 corresponding to the goods shelf 10 does not output the sensing signal, specifically, the identifier 84 is required to be not sensed for all the stacked materials on the goods shelf 10, and the identifier 84 is required to be not sensed for all the identifiers 84 corresponding to the same product as the material to be stored when the stacked materials are stacked on the goods shelf 10 and the non-same materials are required to be sensed.
In this embodiment, the access device 60 is movable among the main body of the main conveyor line 20, the pallet 10 and the transfer line 30, and has a movement direction perpendicular to the conveying direction of the main body of the main conveyor line 20. Preferably, the access device 60 includes an access cylinder 61, a guide rail 63, a mounting plate 62, a sliding seat 64 and a clamping assembly 65, the access cylinder 61 is mounted on a working platform 80 on one side of the transfer line 30 far away from the plurality of shelves 10, the guide rail 63 is perpendicular to a main body portion of the conveying main line 20, and extends on the working platform 80 and is staggered with each inlet and outlet 81, the mounting plate 62 is vertically mounted at the end of a piston rod of the access cylinder 61 and has a mounting notch at the bottom end thereof, the width of the mounting plate 62 is larger than the width of the transfer line 30, the length of the mounting notch is equal to the front-rear length of the whole inlet and outlet 81 above the shelf 10 and a rolling screw 66 driven by a servo motor is horizontally arranged on the top wall thereof through a bearing seat, the clamping assembly 65 is in threaded fit on the rolling screw 66 through the sliding seat 64, and the clamping assembly 65 has two movable clamping plates which extend in parallel and are opposite to the conveying main line 20, and preferably the clamping assembly 65 adopts a pneumatic clamping jaw or an electric clamping jaw.
The inventory working process of this embodiment is:
step A1: planning and setting a storage shelf 10 and a superposition area on the shelf 10 of each material according to the use amount of each material and other factors, and inputting detailed information of each material into a label and a database of an industrial control host;
step A2: starting the system and enabling the parking device 91 on the buffer conveyor 22 to be in an upward lifting and releasing state, then, feeding materials to the feeding lines one by one and pulling the distance on the feeding lines;
step A3: after the material P passes through the parking device 91 in the lifting and releasing state, the first reader 201 reads the information for judging the material P, and the industrial control host controls the corresponding stopper 92 of the material P according to the read information in a matching way, so that the corresponding stopper 92 acts to protrude on the conveying path of the independent conveyor 21, and meanwhile, the goods shelf 10 corresponding to the material P is driven to rise to a preset height by the lifting device 70;
step A4: the material P continues to be conveyed to the corresponding position of the stopper 92 by the conveying main line 20 and is stopped by the stopper 92, the inductive switch 923 responds, and the stopper 91 acts to be in a downward-extending stop state when the corresponding independent conveyor 21 stops;
step A5: the stopper 92 is reversely operated to be in a releasing state, and the posture of the material P can be corrected by the guide conveyer 924 on the stopper 92 before the stopper 92 reversely operates;
Step A6: the servo motor on the access device 60 operates to drive the clamping assembly 65 to transversely move to a position corresponding to the overlapping area of the materials P to be stored on the goods shelf 10, then the access cylinder 61 operates to move the clamping assembly 65 towards the independent conveyor 21 and clamp the materials P, then the original path returns to the inlet and outlet 81, the clamping assembly 65 releases to enable the materials P to fall on the goods shelf 10, the goods shelf 10 descends to be lower than the working platform 80 after receiving the materials P, and the corresponding independent conveyor 21 operates again and is lifted and released on the parking device 91 by acting with the sensor 208 in the returning process;
step A7: the inventory process for the next material repeats steps A3-A6 above.
In step A3, if the first reader 201 fails to read the label on the material, the stop 92 on each independent conveyor 21 is not operated, the material is conveyed back until the transition conveyor 23 and acts with the first sensor 206 to generate a turning signal, and the industrial personal computer drives the diverter 24 to send the material to be turned into the turning line 40 to give an effective label, and then sends the material into the conveying main line 20 again along the turning line 40. In addition, the predetermined height in step A3 is controlled by the identifier 84 in the access opening 81 acting on the tag on the uppermost existing material to send a sensing signal.
And reading the labels on the blocked materials by the fourth reader 204, if the material information sent to the industrial control host by the fourth reader 204 belongs to the same product as the previous material and the corresponding goods shelf 10 corresponds to the front part of the goods shelf 10 corresponding to the previous material, lifting and releasing the materials on the parking device 91, wherein the next material does not need to wait for the previous material to finish the steps A3-A6, and the stock process of the released materials repeats the steps A3-A6.
In the step A6, it is determined by the identifier 84 in each of the inlets and outlets 81 whether the corresponding area on the corresponding shelf 10 has the same material, and if the shelf 10 corresponding to the material has the old material (i.e. the identifier 84 acts with the tag on the material to generate a response signal and sends the response signal to the industrial control host), the access device 60 needs to perform the following warehouse cleaning operation before gripping the material on the conveying main line 20, specifically, step a6.1: the lifting device 70 drives the supporting bottom plate 11 to rise to the uppermost material Q of the corresponding stack to be upwards protruded to the working platform 80; step A6.2: the servo motor on the access device 60 operates to drive the clamping assembly 65 to transversely move to a position corresponding to the overlapping area of the materials Q on the goods shelf 10; step A6.3: the access cylinder 61 acts to move the clamping assembly 65 towards the shelf 10 and clamp the material Q to the transfer line 30, and then release the material Q after being in place so that the material Q falls on the transfer line 30 and is conveyed backwards; step A6.4: if there is still a used cargo in the corresponding area of the shelf 10, the steps a6.1-a6.3 are performed again until there is no used cargo.
In addition, if there are multiple stacks on the same shelf 10 and at least two stacks are the same material, the identifier 84 in each inlet and outlet 81 determines the height of each stack, because a higher stack will be identified by the corresponding identifier 84 more than a shorter stack, and the system sets that each stack that is not identified by the identifier 84 or each stack that is identified by the identifier 84 will be sequentially stocked according to a certain rule, such as from front to back (parallel to the conveying direction of the conveying main line 20), and the inventory level of the higher stack is the lowest, and later.
The goods taking working process of the embodiment is as follows:
step B1: planning and setting a storage shelf 10 and a superposition area on the shelf 10 of each material according to the use amount of each material and other factors, and inputting detailed information of each material into a label and a database of an industrial control host;
step B2: the industrial control host machine is used for calling a database according to the information of the materials to be fetched and sending a control instruction to the lifting device 70 corresponding to the goods shelf 10, and the lifting device 70 is used for lifting the supporting bottom plate 11 to the upper convex working platform 80 of the uppermost material M corresponding to the stack;
step B3: the servo motor on the access device 60 operates to drive the clamping assembly 65 to transversely move to a position corresponding to the material M to be taken, then the access cylinder 61 acts to move the clamping assembly 65 towards the goods shelf 10 and clamp the material M, then the clamping assembly 65 moves towards the conveying main line 20 with the material M continuously, the clamping assembly 65 is loosened after the material M is in place, the material M falls on the conveying main line 20 and is conveyed backwards, and the access cylinder 61 contracts to wait for the next goods taking operation;
Step B4: the lifting device 70 and the storing device 60 corresponding to different shelves 10 are respectively carried out without interference, and the steps B2-B3 are repeated for the next material taking out process on the same shelf 10.
In step B2, if there are multiple stacks of the same material on the same shelf 10, the identifier 84 in each inlet/outlet 81 determines the height of each stack, because the higher stack will be identified by the corresponding identifier 84 more than the shorter stack, and the system sets that the stacks identified by the identifier 84 will be picked up sequentially according to a certain rule, such as from front to back (according to the conveying direction of the conveying main line 20), and the pick-up level of the higher stack is highest and is the first.
Example 2:
the present embodiment provides an intelligent warehouse with an automatic access function, and the present embodiment is further provided with branch lines 50 on the basis of the above embodiment 2, and the branch lines 50 are improved for a large number of shelves 10, so that waiting time when materials are stored can be reduced.
As a preferred mode, as shown in fig. 3, the branch line 50 is provided with one, the inlet of the branch line 50 is abutted against the conveying main line 20 in front of the buffer conveyor 22, the inlet of the branch line 50 is located behind the outlet of the revolution line 40, the outlet of the branch line 50 is abutted against one of the independent conveyors 21 in the middle, the outlet of the branch line 50 is located in front of the inlet of the revolution line 40, the main body part in front of the outlet of the branch line 50 and the main body part behind the outlet of the branch line 50 are mutually independent conveying branch systems, the outlet of the branch line 50 is a second buffer conveyor 51, a second parking device 52 is arranged on the second buffer conveyor 51, an industrial robot 53 connected with an industrial robot is arranged at the inlet of the branch line 50, a second reader 202 is arranged on the conveying main line 20 in front of the inlet of the branch line 50, the material information conveyed to the place is acquired by the second reader 202 and sent to the industrial robot, the industrial robot retrieves the database and analyzes the storage shelf 10 of the material, if the material is conveyed to the industrial robot 10 in front of the branch line 50 through the branch line 50, if the industrial robot 10 is conveyed to the main line 50 in front of the branch line 50. While the materials are conveyed along the branch line 50 to the outlet of the branch line 50, the materials are sequentially conveyed one by one onto the butted independent conveyor 21 through the second parking device 52, the front end of the independent conveyor 21 is provided with the third reader 203, and the industrial control host only needs to respond to the signals sent by the third reader 203 by the materials on the branch line 50 (that is, the industrial control host only needs to respond to the signals of the third reader 203, provided that the corresponding shelf 10 of the materials is behind and the industrial control host has received the signals sent by the second reader 202), and the inventory process of the materials on the branch line 50 is the same as that of the parking device 91, but only the size is different, and the configuration of the second parking device 52 is the same as that of the parking device 91.
As another preferred mode, the branch lines 50 are provided with two parts, the main body part of the whole conveying main line 20 is divided into front, middle and rear parts, the inlets of the two branch lines 50 are all butted on the conveying main line 20 in front of the buffer conveyor 22 and behind the outlet of the revolving line 40, the outlet of one branch line 50 is butted on one independent conveyor 21 in front of the junction of the front part and the middle part and is in front of the inlet of the revolving line 40, the outlet of the other branch line 50 is butted on one independent conveyor 21 in the junction of the middle part and the rear part and is in front of the inlet of the revolving line 40, and the main body parts in front of and behind the outlet of each branch line 50 are mutually independent conveying branch systems. Similarly, the second buffer conveyor 51 is provided at the outlet of each branch line 50, the second parking device 52 is provided at the second buffer conveyor 51, the industrial robot 53 connected to the industrial control main is provided at the inlet of each branch line 50, the second reader 202 is provided at the conveying main line 20 in front of the inlet of each branch line 50, the third reader 203 is provided at the front end of the independent conveyor 21, the industrial control main responds to the signal transmitted from the third reader 203 only by the material on the corresponding branch line 50, the other third reader 203 is provided at the front end of the independent conveyor 21, and the industrial control main responds to the signal transmitted from the third reader 203 only by the material on the corresponding branch line 50, and the stock process of the material on each branch line 50 is as described in example 1.
Similarly, in the above two preferred manners regarding the branch line 50, a fifth reader 205 may also be disposed on the second parking device 52, where the fifth reader 205 is connected to the industrial control host, if the material information sent by the fifth reader 205 to the industrial control host belongs to the product different from the previous material and corresponding to the front of the shelf 10 corresponding to the previous material, the industrial control host controls the second parking device 52 to lift and release, and when the released material passes through the third reader 203, the corresponding stopper 92 also starts to act, and the released material continues to be conveyed to the corresponding stopper 92 and acts with the inductive switch 923, the independent conveyor 21 where the stopper 92 is located stops, the second parking device 52 stops in a downward extending state, and allows the access device 60 where the corresponding material shelf 10 is located to perform inventory, and at the same time, the working time when the working time reaches, the stopper 92 stops in an automatic inward shrinking state and is in a releasing state. If there are multiple materials on the corresponding portion of the main body portion, and the material information sent by the fifth reader 205 to the industrial control host belongs to the rear of the shelf 10 corresponding to the last material on the line, the material information must be released after the industrial control host receives the feedback signals sent by the sensors 208 corresponding to all the materials on the line.
While the basic principles and main features of the invention and advantages of the invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (10)
1. Have intelligent warehouse of automatic access function, its characterized in that, this intelligent warehouse includes:
the shelves are staggered with each other and driven by the lifting devices to lift up and down, and each shelf is provided with at least one stacking area;
the working platform is horizontally arranged above the plurality of shelves, the corresponding parts of the working platform and each shelf are respectively provided with an inlet and an outlet, and identifiers for acting with the labels on the materials positioned in the inlet and the outlet are respectively embedded in each inlet and outlet;
the conveying main line comprises a main body part horizontally arranged on a working platform at one side of the plurality of shelves and a buffer conveyor positioned in front of the main body part, wherein a parking device is arranged at the rear end of the buffer conveyor, a stopper and a sensing switch are respectively arranged at positions of the main body part corresponding to the rear ends of the stacking areas in the shelves, a first reader is arranged at the front section of the main body part, and a sensor is arranged on the working platform between each shelf and the conveying main line;
The transfer line is horizontally arranged on the working platform at the other side of the plurality of shelves; and
and the storage device is used for transferring materials among the conveying main line, the goods shelves and the transfer line.
2. The intelligent warehouse with the automatic access function according to claim 1, wherein the main body part of the conveying main line comprises independent conveyors which are respectively arranged corresponding to all the shelves, the first reader is arranged at the front section of the foremost independent conveyor, the stoppers are respectively arranged at positions of the independent conveyors corresponding to the rear ends of all the stacking areas in all the shelves, each stopper is respectively arranged at one side of the independent conveyor, which is far away from the shelf, and the inductive switch is arranged on the material interaction surface of the stopper.
3. The intelligent warehouse with automatic access function according to claim 2, wherein the acting surface of the stopper is further provided with a guiding and conveying belt.
4. The intelligent warehouse with automatic access function of claim 2, wherein a fourth reader for reading tags on blocked materials is provided at the parking location.
5. The intelligent warehouse with the automatic access function according to claim 1, wherein the access device comprises an access cylinder, a guide rail, a mounting plate, a sliding seat and a clamping assembly, the access cylinder is mounted on a working platform on one side, far away from the racks, of the transfer line, the guide rail is perpendicular to a main body part of the conveying main line, extends on the working platform and is staggered with each inlet and outlet, the mounting plate is vertically mounted at the tail end of a piston rod of the access cylinder, the bottom end of the mounting plate is provided with a mounting notch, the width of the mounting plate is larger than the width of the transfer line, a rolling screw driven by a servo motor is horizontally arranged on the top wall of the mounting notch through a bearing seat, the clamping assembly is in threaded fit on the rolling screw through the sliding seat, and the clamping assembly is provided with two movable clamping plates which extend in parallel towards the conveying main line respectively and are opposite.
6. The intelligent warehouse with the automatic access function according to claim 1, wherein each goods shelf is respectively provided with a supporting bottom plate which is used for supporting the material stack and is connected with the lifting device, a boss matched with the inlet and the outlet is convexly arranged at the center of the supporting bottom plate, a dimension stabilizing ring is respectively arranged at the bottom of the working platform around the periphery of each inlet and the outlet, and a through groove for the dimension stabilizing ring to pass through is arranged at the position of the supporting bottom plate corresponding to the dimension stabilizing ring.
7. The intelligent warehouse with the automatic storage and retrieval function according to claim 1, wherein each goods shelf is respectively provided with a supporting upright post and a supporting bottom plate which is used for supporting the material stack and is connected with the lifting device, a boss matched with the inlet and the outlet is convexly arranged at the center of the supporting bottom plate, and a synchronizing mechanism is matched between the supporting bottom plate and the supporting upright post.
8. The intelligent warehouse with automatic access function according to claim 1, wherein,
each goods shelf is respectively provided with a supporting bottom plate used for supporting the material stack and connected with the lifting device, one end of each supporting bottom plate is respectively provided with a sensing plate which horizontally and outwards extends outwards, and the positions, corresponding to the sensing plates, of the bottom of the working platform are respectively provided with a distance sensor; or/and (or)
Each goods shelf is respectively provided with a supporting bottom plate used for supporting the material stack and connected with the lifting device, and weighing sensors are respectively arranged at the corresponding material stack positions of the supporting bottom plate.
9. The intelligent warehouse with the automatic access function according to claim 1, further comprising a turning line, wherein an inlet of the turning line is abutted to a conveying main line behind a rearmost shelf, an outlet of the turning line is abutted to the conveying main line in front of the buffer conveyor, the conveying main line further comprises a transition conveyor abutted to a position where the transition conveyor is abutted to the inlet of the turning line, a first sensor and a diverter are arranged at positions where the transition conveyor corresponds to the inlet of the turning line, and a second sensor is further arranged at the inlet of the turning line.
10. The intelligent warehouse with automatic access function according to any one of claims 1 to 9, further comprising a branch line, wherein an inlet of the branch line is abutted to a conveying main line in front of the buffer conveyor, an outlet of the branch line is abutted to a main body part, and the main body parts in front and behind the outlet of the branch line are independent conveying sub-systems; the conveying main line in front of the branch line inlet is provided with a second reader, the conveying main line butted with the branch line outlet is provided with a third reader, the inlet of the branch line is provided with an industrial robot, the outlet of the branch line is a second buffer conveyor, and the second buffer conveyor is provided with a second parking device.
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