CN113800173A - Material lifting and conveying device and working method thereof - Google Patents
Material lifting and conveying device and working method thereof Download PDFInfo
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- CN113800173A CN113800173A CN202111076475.5A CN202111076475A CN113800173A CN 113800173 A CN113800173 A CN 113800173A CN 202111076475 A CN202111076475 A CN 202111076475A CN 113800173 A CN113800173 A CN 113800173A
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- 239000000463 material Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000005484 gravity Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 235000019504 cigarettes Nutrition 0.000 abstract description 12
- 241000208125 Nicotiana Species 0.000 abstract description 9
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 3
- 230000000875 corresponding effect Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000013519 translation Methods 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000005303 weighing Methods 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
- B65G1/0407—Storage devices mechanical using stacker cranes
- B65G1/0421—Storage devices mechanical using stacker cranes with control for stacker crane operations
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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
- B65G1/1375—Storage devices mechanical with arrangements or automatic control means for selecting which articles are to be removed for fulfilling orders in warehouses the orders being assembled on a commissioning stacker-crane or truck
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/02—Stationary loaders or unloaders, e.g. for sacks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
- B66F9/122—Platforms; Forks; Other load supporting or gripping members longitudinally movable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention provides a material lifting and conveying device and a working method thereof, belonging to the technical field of tobacco material conveying, the device comprises a frame, a commodity shelf, a lifting mechanism, a moving mechanism and a control mechanism, wherein the commodity shelf is arranged in the frame, the top of the commodity shelf is used for placing a wooden tray, the lifting mechanism comprises a lifting motor, a ball screw, a transmission gear box and a slide rail, the moving mechanism comprises a moving motor and a chain wheel, the control mechanism comprises a controller, a high-position photoelectric sensor, a low-position photoelectric sensor, an upper limit position switch and a lower limit position switch, the working method comprises finished product warehouse-out preparation, finished product warehouse-out transfer, warehouse-out reset, tray warehouse-in preparation, tray warehouse-in and warehouse-in reset, the device solves the mutual interference of the working process, avoids the misloading of finished product cigarettes and delivery quantity errors, and a plurality of stations realize automatic lifting of cigarette stacks, time is saved, and loading efficiency is effectively improved.
Description
Technical Field
The invention belongs to the technical field of tobacco material conveying, and particularly relates to a material lifting conveying device and a working method thereof.
Background
The turnover of finished goods in a logistics overhead warehouse in the tobacco industry takes a tobacco stack as a unit, and a whole tobacco stack comprises 24 pieces of cigarettes and a tray for conveying. When finished cigarettes are delivered, the cigarette stacks are sent to the ex-warehouse platform by delivery information instructions, and the fork truck forks the cigarette stacks from the delivery platform and conveys the cigarette stacks to the cigarette stack temporary storage area, and then the delivery operation is completed by loading the cigarette stacks through a manual trailer. In the process, because finished product delivery is in the condition of simultaneous delivery of multiple stations for most of time, the interference of the working process between forklift operation and manual loading operation can be caused, the problems of wrong loading, wrong quantity and the like of multi-station finished product cigarette delivery loading are easily caused, and the delivery efficiency is greatly influenced.
Disclosure of Invention
The embodiment of the invention provides a material lifting and conveying device and a working method thereof, and aims to realize direct landing of a tobacco stack from a station to the ground and direct loading by a loading person by using a hand-trailer, so that forklift operation is cancelled, the problems of interaction interference of a work flow, misloading of finished tobacco delivery and wrong delivery quantity are solved, automatic lifting of the tobacco stack is realized by a plurality of stations, the waiting time that the forklift and manual operation cannot be carried out simultaneously is saved, and the loading efficiency is effectively improved.
In view of the above problems, the technical solution proposed by the present invention is:
the invention provides a material lifting and conveying device, which comprises a rack, a shelf, a lifting mechanism, a moving mechanism and a control mechanism, wherein the rack is of a square section structure, four corners of the bottom of the rack are provided with fixing foot plates, the shelf is arranged in the rack, the top of the shelf is used for placing wooden trays, two sides of a beam in the middle of the shelf are symmetrically provided with supporting rollers, baffle boxes are arranged at the bottoms of the front end and the rear end of the shelf, the lifting mechanism comprises a lifting motor, a ball screw, two groups of transmission gear boxes and a slide rail, the lifting motor is arranged at the top of the rack, the ball screws are respectively arranged at the left side and the right side of the shelf in a vertical and symmetrical mode, the transmission gear boxes are arranged at the bottom of the rack, and two ends of the transmission gear boxes are respectively in transmission connection with the ball screws, the slide rail is provided with four groups, and symmetric distribution in the outside four corners of supporter, one side of slide rail with the stand bolted connection of frame, moving mechanism includes moving motor and sprocket, moving motor set up in the outside one corner of supporter, the sprocket is provided with four groups, and symmetric distribution in the inboard four corners of supporter, control mechanism includes controller, high-order photoelectric sensor, low level photoelectric sensor, last extreme position switch and lower extreme position switch, high-order photoelectric sensor with low level photoelectric sensor all with frame fixed connection, go up extreme position switch with lower extreme position switch sets up respectively in wherein a set of the upper and lower both ends of slide rail.
As a preferred technical scheme of the invention, the top of the storage rack is provided with a slot corresponding to the center of the baffle box, a movable baffle is arranged in the slot, the movable baffle is in clearance fit with the slot, the bottom of the movable baffle is provided with a limiting plate, the overall dimension of the limiting plate is larger than that of the slot, the top of the limiting plate is abutted against the bottom surface of the storage rack, at least two groups of spring parts are equidistantly arranged in the baffle box, two ends of the spring parts are respectively abutted against the bottom of the limiting plate and the bottom plate of the baffle box, at least two groups of electromagnets are symmetrically arranged below the movable baffle, the electromagnets are fixedly connected with the bottom plate of the baffle box, and the input end of the electromagnet is electrically connected with the output end of the controller.
As a preferable technical proposal of the invention, the output shaft of the lifting motor is connected with an overload clutch, the output end of the overload clutch is connected with one end of one group of ball screws, the two ends of the ball screws are provided with first bearing seats, the first bearing seat is fixedly connected with the frame, a ball nut is arranged in the middle of the ball screw, the ball nut is matched with the ball screw, a weight sensor is arranged above the ball nut, a first connecting plate is arranged above the weight sensor, the first connecting plate is in a 7-shaped structure, the one end of first connecting plate with ball nut bolted connection, the other end of first connecting plate with the lateral wall bolted connection of supporter, weighing sensor's output with the input electric connection of controller.
As a preferred technical solution of the present invention, two ends of the transmission gear box are fixedly connected to the frame, a first bevel gear, a second bevel gear, a first transmission shaft and a third bevel gear are arranged inside the transmission gear box, two sets of the first bevel gears are arranged, bottom ends of two sets of the ball screws penetrate through a top plate of the transmission gear box and are respectively fixedly connected to the two sets of the first bevel gears, four sets of the second bevel gears are arranged, two sets of the first transmission shafts are arranged, the first transmission shafts are perpendicular to a central axis of the ball screws, the second bevel gears are respectively arranged at two ends of the first transmission shaft, the first bevel gears are engaged with two sets of the second bevel gears, the third bevel gear is arranged at the center of the transmission gear box and is engaged with the other two sets of the second bevel gears, the middle part of the first transmission shaft is provided with a second bearing seat, the bottom of the third bevel gear is provided with a third bearing seat, and the bottoms of the second bearing seat and the third bearing seat are fixedly connected with a bottom plate of the transmission gear box.
According to a preferable technical scheme, the slide rail is of an I-shaped structure, a slide block with a matched shape is arranged on one side, close to the article placing rack, of the slide rail, the slide block is in clearance fit with the slide rail, a second connecting plate is fixedly connected to one side, far away from the slide rail, of the slide block, and one side of the second connecting plate is connected with a side wall of the article placing rack through bolts.
As a preferred technical scheme of the present invention, the chain wheels are movably connected to the article holding rack, an output shaft of the moving motor is fixedly connected to one of the chain wheels, chains are wound around the outer sides of the two groups of chain wheels located on the left and right sides of the article holding rack, a second transmission shaft is arranged on one side of the article holding rack, and two ends of the second transmission shaft are fixedly connected to the two groups of chain wheels respectively.
As a preferable technical solution of the present invention, the upper vertex of the support roller is flush with the top surface of the chain, and both of them are abutted against the bottom of the wooden pallet.
As a preferred technical solution of the present invention, the input ends of the lifting motor and the moving motor are electrically connected to the output end of the controller.
As a preferred technical solution of the present invention, the output ends of the high-position photoelectric sensor, the low-position photoelectric sensor, the upper limit position switch and the lower limit position switch are electrically connected to the input end of the controller, and the input end of the controller is in communication connection with the sensor of the upper-stage conveying equipment.
In another aspect, a method for operating a material lifting and conveying device comprises the following steps:
s1, preparing finished products for delivery, adjusting the working mode of the controller to be a delivery mode, lifting the commodity shelf to a high position by the lifting mechanism, enabling the commodity shelf to be flush with the upper-stage conveying equipment, electrifying the electromagnet by the controller, attracting the limiting plate downwards by the magnetic force generated by the electromagnet, driving the movable baffle to move downwards, hiding the movable baffle into the groove, starting the moving motor, and enabling the chain wheel to be matched with the chain to do rotary reciprocating motion;
s2, finished products are delivered from a warehouse and transferred, a whole stack of finished products transmitted by the upper-level conveying equipment enter the commodity shelf, the gravity sensor detects a gravity signal and the high-level photoelectric sensor is blocked, the moving motor stops, the electromagnet is powered off, the movable baffle plate is lifted, the lifting motor is started, the ball screw and the ball nut are matched to drive the commodity shelf to descend until the low-level photoelectric sensor is blocked, the lifting motor stops, the electromagnet is powered on again, the movable baffle plate moves downwards to be retracted, and an operator uses a hand trailer to drag the whole stack of materials to leave the commodity shelf;
s3, returning to the warehouse, after the weight sensor detects that the gravity returns to zero, starting the lifting motor to lift the commodity shelf to a high position to wait for the next group of materials;
s4, preparing for warehousing the tray, switching the working mode of the controller into a warehousing mode, driving the shelf to return to a low position by the lifting mechanism, enabling the height of the shelf to be flush with the height of the delivery platform, electrifying the electromagnet, and retracting the movable baffle;
s5, putting the tray into storage, placing the tray group to be put into storage on a storage rack by an operator, transmitting a signal to a controller after the weight sensor detects the signal, powering off an electromagnet after the controller waits for 10 seconds, lifting a movable baffle plate, starting a lifting motor to drive the storage rack to ascend, stopping the lifting motor after a high-position photoelectric sensor is blocked, powering on the electromagnet again, moving the movable baffle plate downwards to retract, starting the moving motor, and transmitting the tray group to the upper-stage conveying equipment by a chain wheel;
and S6, resetting the warehouse, wherein when the controller receives a detection signal of the sensor of the upper-level conveying equipment through communication, the moving motor stops, and the lifting motor works to lower the shelf to a low position to wait for the next empty tray set.
Compared with the prior art, the invention has the beneficial effects that:
(1) the automatic lifting conveying device of the device can realize the work of automatic cigarette stack delivery and tray group storage, can reduce the labor intensity, reduce the manpower consumption and the use of a forklift, and improve the safety of regional operation;
(2) the lifting conveying device adopts an open structure, has strong adaptability to the change of the stacking layer number of the cigarette stacks, has simple structure and convenient operation, and improves the working efficiency of warehouse-in and warehouse-out;
(3) and a semi-submersible type installation mode is adopted, so that the space is saved, and the requirements of delivery, loading and warehousing operation of empty tray groups are met.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
FIG. 1 is a schematic structural diagram of a material lifting and conveying device disclosed by the invention;
FIG. 2 is a schematic structural diagram of a material lifting and conveying device for removing wooden pallets according to the present disclosure;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is an enlarged view at B of FIG. 2;
FIG. 5 is a schematic bottom main sectional view of the material lifting and conveying apparatus disclosed in the present invention;
FIG. 6 is a schematic top view of a material lifting and conveying apparatus according to the present disclosure;
FIG. 7 is a schematic view of a communication link of a material lifting and conveying apparatus according to the present disclosure;
FIG. 8 is a schematic flow chart illustrating a method of operating a material lifting and conveying apparatus according to the present disclosure;
description of reference numerals: 100-a frame; 101-fixed foot plate; 200-a shelf; 201-supporting rollers; 202-baffle box; 2021-grooving; 2022-flapper; 2023-a limiting plate; 2024-spring element; 2025-an electromagnet; 300-a lifting mechanism; 301-a lifting motor; 302-an overload clutch; 303-ball screw; 3031-a first bearing seat; 3032-ball nut; 3033-a first connection plate; 3034-a weight sensor; 304-a drive gearbox; 3041-a first bevel gear; 3042-a second bevel gear; 3043-a first drive shaft; 3044-a second bearing housing; 3045-a third bevel gear; 3046-a third bearing housing; 305-a slide rail; 3051-a slider; 3052-a second web; 400-a moving mechanism; 401-moving the motor; 402-a sprocket; 4021-a chain; 4022-a second drive shaft; 500-a control mechanism; 501-a controller; 502-high photo sensor; 503-low photosensor; 504-upper limit position switch; 505-lower limit position switch; 600-wooden pallets.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example one
Referring to the attached drawings 1-7, the invention provides a technical scheme: a material lifting and conveying device comprises a rack 100, a commodity shelf 200, a lifting mechanism 300, a moving mechanism 400 and a control mechanism 500, wherein the rack 100 is of a square section structure, four corners of the bottom of the rack 100 are respectively provided with a fixing foot plate 101, the bearing of the rack is more than 500KG, the bottom of the rack 100 is embedded in a foundation pit of a delivery station, the fixing foot plates 101 are fixedly connected with the bottom surface of the foundation pit, the commodity shelf 200 is arranged inside the rack 100, the top of the commodity shelf 200 is used for placing a wooden tray 600, the commodity shelf 200 plays roles of lifting a finished tobacco stack tray and recovering the tray set, supporting rollers 201 are symmetrically arranged on two sides of a middle cross beam of the commodity shelf 200, the supporting rollers 201 reduce the friction force between the wooden tray 600 and the commodity shelf 200, the material can be more conveniently translated, baffle boxes 202 are arranged at the bottoms of the front end and the rear end of the commodity shelf 200, the lifting mechanism 300 comprises a lifting motor 301, a ball screw 303, a transmission gear box 304 and a slide rail 305, the lifting motor 301 is arranged on the top of the rack 100, the lifting motor 301 is far away from the lifting space of the rack 200 to prevent interference, two groups of ball screws 303 are arranged on the ball screws 303 and are respectively vertically and symmetrically arranged on the left side and the right side of the rack 200, the transmission gear boxes 304 are arranged on the bottom of the rack 100, two ends of the transmission gear boxes 304 are respectively in transmission connection with the ball screws 303, the transmission gear boxes 304 enable the ball screws 303 on two sides to synchronously and equidirectionally rotate to ensure that two sides of the rack 200 synchronously move, the slide rails 305 are provided with four groups and symmetrically distributed on four outer sides of the rack 200, one side of the slide rails 305 is in bolt connection with the upright posts of the rack 100, the slide rails 305 provide positioning and guiding effects for the lifting of the rack 200, the moving mechanism 400 comprises a moving motor 401 and a chain wheel 402, the moving motor 401 is arranged on one corner of the outer side of the rack 200, the moving motor 401 is arranged on the outer side to avoid the space for material translation, sprocket 402 is provided with four groups, and symmetric distribution is in the inboard four corners of supporter 200, sprocket 402 shifts the output power of moving motor 401 to the material tray on, control tray translation action, control mechanism 500 includes controller 501, high-order photoelectric sensor 502, low level photoelectric sensor 503, upper limit position switch 504 and lower limit position switch 505, high-order photoelectric sensor 502 and low level photoelectric sensor 503 all with frame 100 fixed connection, upper limit position switch 504 and lower limit position switch 505 set up respectively in the upper and lower both ends of one of them group of slide rail 305, signal detection device operating condition through each sensor, in order to accomplish the safe automatic operation of material lift transportation.
The embodiment of the invention is also realized by the following technical scheme.
In the embodiment of the invention, the top of the article placing rack 200 is provided with a slot 2021 corresponding to the center of the baffle box 202, a movable baffle 2022 is arranged inside the slot 2021, the movable baffle 2022 is in clearance fit with the slot 2021, the bottom of the movable baffle 2022 is provided with a limit plate 2023, the external dimension of the limit plate 2023 is larger than the dimension of the slot 2021, the top of the limit plate 2023 is abutted with the bottom surface of the article placing rack 200, the movable baffle 2022 is used for protecting materials during lifting and falling, so as to prevent the wood pallet 600 from sliding and falling on the article placing rack 200 to cause safety accidents, at least two groups of spring members 2024 are equidistantly arranged inside the baffle box 202, two ends of the spring members 2024 are respectively abutted with the bottom of the limit plate 2023 and the bottom plate of the baffle box 202, at least two groups of electromagnets 2025 are symmetrically arranged below the movable baffle 2022, the electromagnets 2025 are fixedly connected with the bottom plate of the baffle box 202, the input ends of the electromagnets 2025 are electrically connected with the output end of the controller 501, the electromagnet 2025 is used for controlling the expansion and contraction of the movable baffle plate, the controller 501 controls the on/off of the movable baffle plate to enable the upper end of the electromagnet 2025 to attract the limiting plate 2023, after the attraction, the limiting plate 2023 drives the movable baffle plate 2022 to move downwards to realize the contraction of the baffle plate, and after the electromagnet 2025 is powered off, the movable baffle plate 2022 is ejected out and reset due to the acting force of the spring part 2024 to block the column material tray to prevent the displacement of the column material tray.
Preferably, the electromagnet 2025 is a sucker type electromagnet, which has large magnetic attraction force of a sucker, uniform magnetic force distribution, stable service performance, simple maintenance, high operation efficiency and high magnetic reaction speed.
In the embodiment of the invention, an output shaft of the lifting motor 301 is connected with an overload clutch 302, an output end of the overload clutch 302 is connected with one end of one group of ball screws 303, two ends of each ball screw 303 are provided with a first bearing seat 3031, the first bearing seats 3031 are fixedly connected with the frame 100, a ball nut 3032 is arranged in the middle of each ball screw 303, the ball nut 3032 is matched with the ball screws 303, a weight sensor 3034 is arranged above each ball nut 3032, a first connecting plate 3033 is arranged above each weight sensor 3034, the first connecting plate 3033 is in a 7-shaped structure, one end of the first connecting plate 3033 is bolted with the ball nut 3032, the other end of the first connecting plate 3033 is bolted with a side wall of the commodity shelf 200, the ball screws 303 are matched with the ball nuts 3032 to rotate, the ball nuts 3032 drive the first connecting plate 3033 to move up and down, thereby realizing the lifting of the commodity shelf 200, the output end of the weight sensor 3034 is electrically connected with the input end of the controller 501, and the weight sensor 3034 detects whether the material exists on the article placing rack 200 in real time and transmits a signal to the controller 501 for controlling the motor action.
In the embodiment of the present invention, two ends of the transmission gear box 304 are fixedly connected to the rack 100, two sets of first bevel gears 3041, two sets of second bevel gears 3042, a first transmission shaft 3043 and a third bevel gear 3045 are arranged inside the transmission gear box 304, the bottom ends of the two sets of ball screws 303 are respectively and fixedly connected to the two sets of first bevel gears 3041 after penetrating through the top plate of the transmission gear box 304, four sets of second bevel gears 3042 are arranged, two sets of first transmission shafts 3043 are arranged, the first transmission shaft 3043 is perpendicular to the central axis of the ball screw 303, the second bevel gears 3042 are respectively arranged at two ends of the first transmission shaft 3043, the first bevel gears 3041 are engaged with two sets of second bevel gears 3042, the third bevel gear 3045 is arranged at the center of the transmission gear box 304 and is engaged with the other two sets of second bevel gears 3042, the middle portion of the first transmission shaft 3043 is provided with a second bearing 3044, the bottom of the third bevel gear 3045 is provided with a third bearing base 3046, the bottoms of the second bearing base 3044 and the third bearing base 3046 are both fixedly connected with the bottom plate of the transmission gear box 304, the transmission gear box 304 is internally engaged and driven by three groups of bevel gears, so that the ball screws 303 on both sides synchronously move in the same direction, the article holder 200 is prevented from being jammed due to left-right imbalance, and meanwhile, the transmission gear box 304 plays a role in protecting the internal bevel gears, and foreign matters are prevented from entering the gear engagement part to influence power transmission.
In the embodiment of the invention, the slide rail 305 is in an i-shaped structure, a slide block 3051 with a matched shape is arranged on one side of the slide rail 305 close to the article placing rack 200, the slide block 3051 is in clearance fit with the slide rail 305, a second connecting plate 3052 is fixedly connected to one side of the slide block 3051 away from the slide rail 305, one side of the second connecting plate 3052 is in bolt connection with the side wall of the article placing rack 200, and the slide block 3051 is connected with four corners of the article placing rack 200 and is matched with the slide rail 305 to move, so that guidance is provided for the movement of the article placing rack 200, and the four corners of the article placing rack 200 are lifted and balanced.
In the embodiment of the invention, the chain wheel 402 is movably connected with the article placing rack 200, the output shaft of the mobile motor 401 is fixedly connected with one group of chain wheels 402, the outer sides of the two groups of chain wheels 402 positioned on the left side and the right side are respectively wound with a chain 4021, one side of the article placing rack 200 is provided with a second transmission shaft 4022, two ends of the second transmission shaft 4022 are respectively fixedly connected with the two groups of chain wheels 402, the mobile motor 401 outputs power to the chain wheels 402, and the chain wheels 402 drive the chain 4021 to do rotary motion, so that the material tray on the article placing rack 200 is driven to be transmitted in a translation manner.
In the embodiment of the invention, the upper vertex of the supporting roller 201 is flush with the top surface of the chain 4021, both the upper vertex and the top surface of the chain 4021 are abutted against the bottom of the wood pallet 600, and the bottom surface of the wood pallet 600 is in contact with the supporting roller 201 and the chain 4021, so that the chain 4021 can more conveniently drive the wood pallet 600 to move when rotating, and the supporting roller 201 reduces the contact friction force, so that the translation is smoother.
In the embodiment of the present invention, the input ends of the lifting motor 301 and the moving motor 401 are electrically connected to the output end of the controller 501, and the controller 501 determines and outputs corresponding control signals to the lifting motor 301 and the moving motor 401 through the signals, so as to complete the task of conveying the device material.
In the embodiment of the present invention, the output ends of the high-level photosensor 502, the low-level photosensor 503, the upper limit position switch 504, and the lower limit position switch 505 are electrically connected to the input end of the controller 501, the input end of the controller 501 is in communication connection with the sensor of the previous-stage conveying equipment, and the controller 501 receives signals of each sensor and the sensor of the previous-stage conveying equipment, determines the current working state according to logical operation, and makes a corresponding action response.
Example two
Referring to fig. 8, an embodiment of the present invention further provides a method for operating a material lifting and conveying device, including the following steps:
s1, preparing finished products for delivery, adjusting the working mode of the controller 501 to be a 'delivery' mode, lifting the article placing shelf 200 to a high position by the lifting mechanism 300 to be flush with the upper-stage conveying equipment, electrifying the electromagnet 2025 by the controller 501, attracting the limiting plate 2023 downwards by the magnetic force generated by the electromagnet 2025 to drive the movable baffle 2022 to move downwards, hiding the movable baffle 2022 into the groove 2021, starting the moving motor 401, and enabling the chain wheel 402 to rotate and reciprocate by matching with the chain 4021;
s2, the finished products are delivered from the warehouse and transferred, the whole stack of finished products transmitted by the upper-level conveying equipment enters the commodity shelf 200, the gravity sensor 3034 detects a gravity signal and the high-level photoelectric sensor 502 is blocked, the moving motor 401 stops, the electromagnet 2025 is powered off, the movable baffle 2022 rises, the lifting motor 301 is started, the ball screw 303 and the ball nut 3032 cooperate to drive the commodity shelf 200 to descend, after the low-level photoelectric sensor 503 is blocked, the lifting motor 301 stops, the electromagnet 2025 is powered on again, the movable baffle 2022 moves downwards and is retracted, and the operator uses the hand-trailer to haul the whole stack of materials to leave the commodity shelf 200;
s3, returning to the warehouse, after the weight sensor 3034 detects that the gravity returns to zero, the lifting motor 301 starts to work to lift the commodity shelf 200 to the high position to wait for the next group of materials;
s4, preparing for warehousing the tray, switching the operation mode of the controller 501 to "warehousing" mode, the lifting mechanism 300 driving the rack 200 to return to low position with the height being equal to the height of the delivery station, energizing the electromagnet 2025, and retracting the movable baffle 2022;
s5, the tray is put in storage, an operator places the tray group to be put in storage on the storage rack 200, the weight sensor 3034 transmits a signal to the controller 501 after detecting the signal, after the controller 501 waits for 10 seconds, the electromagnet 2025 is powered off, the movable baffle 2022 is lifted, the lifting motor 301 is started to drive the storage rack 200 to ascend, after the high-position photoelectric sensor 502 is blocked, the lifting motor 301 stops, the electromagnet 2025 is powered on again, the movable baffle 2022 moves downwards to be retracted, the moving motor 401 is started, and the chain 4021 transmits the tray group to the upper-level conveying equipment under the action of the chain wheel 402;
and S6, resetting the warehouse, when the controller 501 receives a detection signal of the sensor of the upper-level conveying equipment through communication, stopping the moving motor 401, and lowering the commodity shelf 200 to a low position by the operation of the lifting motor 301 to wait for the next empty pallet group.
Specifically, the working principle of the material lifting and conveying device and the working method thereof is as follows:
(1) finished products are delivered from the warehouse, the shelf 200 is in a high position and is flush with the upper-level conveying equipment, the controller 501 enables the electromagnet 2025 to be electrified, the magnetic force generated by the electromagnet 2025 attracts the limit plate 2023 downwards to drive the movable baffle 2022 to move downwards, the movable baffle 2022 is hidden in the slot 2021, the moving motor 401 is started, the chain wheel 402 is matched with the chain 4021 to do rotary reciprocating motion, the whole stack of finished products transmitted by the upper-level conveying equipment enters the shelf 200 under the action of the chain 4021, the gravity sensor 3034 detects a gravity signal and the high-level photoelectric sensor 502 is blocked, the moving motor 401 is stopped, the electromagnet 2025 is powered off, the movable baffle 2022 is lifted under the action of the spring part 2024 to block the bottom of the whole stack of finished product trays to prevent the whole stack of finished products from sliding, the lifting motor 301 is started, the ball screw 303 is matched with the ball nut 3032 to drive the shelf 200 to descend until the low-level photoelectric sensor 503 is blocked, when the lifting motor 301 stops, the electromagnet 2025 is electrified again, the movable baffle 2022 moves downwards to be retracted, an operator uses a hand-trailer to drag the whole stack of materials away from the storage rack 200, and after the weight sensor 3034 detects that the gravity returns to zero, the lifting motor 301 starts to work to lift the storage rack 200 to a high position to wait for the next group of materials;
(2) the tray is put in storage, the shelf 200 is in a low position and is flush with the delivery station, the controller 501 enables the electromagnet 2025 to be electrified, the magnetic force generated by the electromagnet 2025 attracts the limit plate 2023 downwards to drive the movable baffle 2022 to move downwards, the movable baffle 2022 is hidden in the groove 2021, an operator places the tray group to be put in storage on the shelf 200, the weight sensor 3034 transmits a signal to the controller 501 after detecting the signal, the controller 501 is powered off after waiting for 10 seconds, the electromagnet 2025 is powered off, the movable baffle 2022 is lifted, the lifting motor 301 is started to drive the shelf 200 to lift, the high photoelectric sensor 502 is blocked, the lifting motor 301 is stopped, the electromagnet 2025 is powered on again, the movable baffle 2022 moves downwards to retract, the moving motor 401 is started, the chain 4021 transmits the tray group to the upper-level conveying equipment under the action of the chain wheel 402, and when the controller 501 receives a detection signal of the upper-level conveying equipment sensor, the moving motor 401 stops, and the lifting motor 301 works to lower the rack 200 to a low position to wait for the next empty tray set.
It should be noted that the specific model specifications of the electromagnet 2025, the lifting motor 301, the weight sensor 3034, the moving motor 401, the controller 501, the high-position photoelectric sensor 502, the low-position photoelectric sensor 503, the upper limit position switch 504 and the lower limit position switch 505 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, and therefore, detailed description is omitted.
It should be noted that the power supply and the principle of the electromagnet 2025, the lifting motor 301, the weight sensor 3034, the moving motor 401, the controller 501, the high photoelectric sensor 502, the low photoelectric sensor 503, the upper limit position switch 504 and the lower limit position switch 505 are clear to those skilled in the art and will not be described in detail herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A material lifting and conveying device is characterized by comprising a rack (100), a rack (200), a lifting mechanism (300), a moving mechanism (400) and a control mechanism (500), wherein the rack (100) is of a square section structure, four corners of the bottom of the rack (100) are provided with fixing foot plates (101), the rack (200) is arranged inside the rack (100), the top of the rack (200) is used for placing wooden pallets (600), supporting rollers (201) are symmetrically arranged on two sides of a middle cross beam of the rack (200), baffle boxes (202) are arranged at the bottoms of the front end and the rear end of the rack (200), the lifting mechanism (300) comprises a lifting motor (301), a ball screw (303), a transmission gear box (304) and a slide rail (305), the lifting motor (301) is arranged on the top of the rack (100), ball (303) are provided with two sets ofly, and perpendicular symmetry respectively set up in the left and right sides of supporter (200), transmission gear box (304) set up in the bottom of frame (100), just the both ends of transmission gear box (304) respectively with ball (303) transmission is connected, slide rail (305) are provided with four groups, and symmetric distribution in the outside four corners of supporter (200), one side of slide rail (305) with the stand bolted connection of frame (100), moving mechanism (400) are including moving motor (401) and sprocket (402), moving motor (401) set up in the outside one corner of supporter (200), sprocket (402) are provided with four groups, and symmetric distribution in the inboard of supporter (200), control mechanism (500 four corners include controller (501), high-order photoelectric sensor (502), The high-position photoelectric sensor (502) and the low-position photoelectric sensor (503) are fixedly connected with the rack (100), and the upper limit position switch (504) and the lower limit position switch (505) are respectively arranged at the upper end and the lower end of one group of slide rails (305).
2. The material lifting and conveying device as claimed in claim 1, wherein a slot (2021) is formed in the top of the storage rack (200) corresponding to the center of the baffle box (202), a movable baffle (2022) is arranged inside the slot (2021), the movable baffle (2022) is in clearance fit with the slot (2021), a limit plate (2023) is arranged at the bottom of the movable baffle (2022), the size of the limit plate (2023) is larger than the size of the slot (2021), the top of the limit plate (2023) is abutted against the bottom surface of the storage rack (200), at least two sets of spring members (2024) are equidistantly arranged inside the baffle box (202), two ends of the spring members (2024) are respectively abutted against the bottom of the limit plate (2023) and the bottom plate of the baffle box (202), at least two sets of electromagnets (2025) are symmetrically arranged below the movable baffle (2022), the electromagnet (2025) is fixedly connected with the bottom plate of the baffle box (202), and the input end of the electromagnet (2025) is electrically connected with the output end of the controller (501).
3. The material lifting and conveying device as claimed in claim 1, wherein an output shaft of the lifting motor (301) is connected with an overload clutch (302), an output end of the overload clutch (302) is connected with one end of one group of ball screws (303), both ends of the ball screws (303) are provided with first bearing seats (3031), the first bearing seats (3031) are fixedly connected with the frame (100), the middle part of the ball screws (303) is provided with ball nuts (3032), the ball nuts (3032) are matched with the ball screws (303), weight sensors (3034) are arranged above the ball nuts (3032), a first connecting plate (3033) is arranged above the weight sensors (3034), the first connecting plate (3033) is in a 7-shaped structure, one end of the first connecting plate (3033) is connected with the ball nuts (3032) through bolts, the other end of the first connecting plate (3033) is connected with the side wall bolt of the commodity shelf (200), and the output end of the weight sensor (3034) is electrically connected with the input end of the controller (501).
4. The material lifting and conveying device as claimed in claim 1, wherein two ends of the transmission gear box (304) are fixedly connected with the frame (100), a first bevel gear (3041), a second bevel gear (3042), a first transmission shaft (3043) and a third bevel gear (3045) are arranged inside the transmission gear box (304), two groups of first bevel gears (3041) are arranged, the bottom ends of the two groups of ball screws (303) penetrate through the top plate of the transmission gear box (304) and are respectively fixedly connected with the two groups of first bevel gears (3041), four groups of second bevel gears (3042) are arranged, two groups of first transmission shafts (3043) are arranged, the first transmission shafts (3043) are perpendicular to the central axis of the ball screws (303), the second bevel gears (3042) are respectively arranged at two ends of the first transmission shafts (3043), the first bevel gear (3041) is engaged with two of the second bevel gears (3042), the third bevel gear (3045) is arranged at the center of the transmission gear box (304) and engaged with the other two second bevel gears (3042), a second bearing seat (3044) is arranged in the middle of the first transmission shaft (3043), a third bearing seat (3046) is arranged at the bottom of the third bevel gear (3045), and the bottoms of the second bearing seat (3044) and the third bearing seat (3046) are both fixedly connected with the bottom plate of the transmission gear box (304).
5. The material lifting and conveying device as claimed in claim 1, wherein the sliding rail (305) is of an I-shaped structure, a sliding block (3051) with a matched shape is arranged on one side of the sliding rail (305) close to the article placing rack (200), the sliding block (3051) is in clearance fit with the sliding rail (305), a second connecting plate (3052) is fixedly connected to one side of the sliding block (3051) far away from the sliding rail (305), and one side of the second connecting plate (3052) is in bolt connection with a side wall of the article placing rack (200).
6. The material lifting and conveying device as claimed in claim 1, wherein the chain wheel (402) is movably connected with the storage rack (200), the output shaft of the moving motor (401) is fixedly connected with one group of the chain wheels (402), chains (4021) are wound on the outer sides of the two groups of the chain wheels (402) which are positioned on the left side and the right side, a second transmission shaft (4022) is arranged on one side of the storage rack (200), and two ends of the second transmission shaft (4022) are respectively fixedly connected with the two groups of the chain wheels (402).
7. A material lifting conveyor as in claim 6 wherein the upper apex of the support roller (201) is flush with the top surface of the chain (4021) and both abut the bottom of the wooden pallet (600).
8. A material lifting conveyor as claimed in claim 1 wherein the input terminals of the lifting motor (301) and the moving motor (401) are electrically connected to the output terminal of the controller (501).
9. The material lifting and conveying device according to claim 1, characterized in that the outputs of the high-level photoelectric sensor (502), the low-level photoelectric sensor (503), the upper limit position switch (504) and the lower limit position switch (505) are electrically connected with the input of the controller (501), and the input of the controller (501) is in communication connection with the sensor of the previous-stage conveying equipment.
10. A working method of a material lifting and conveying device is applied to the material lifting and conveying device as claimed in any one of claims 1 to 9, and is characterized by comprising the following steps:
s1, preparing finished products for delivery, adjusting the working mode of the controller (501) to be a 'delivery' mode, lifting the commodity shelf (200) to a high position by the lifting mechanism (300) to be flush with the upper-stage conveying equipment, electrifying the electromagnet (2025) by the controller (501), attracting the limiting plate (2023) downwards by the magnetic force generated by the electromagnet (2025) to drive the movable baffle (2022) to move downwards, hiding the movable baffle (2022) into the slot (2021), starting the mobile motor (401), and enabling the chain wheel (402) to rotate and reciprocate by matching with the chain (4021);
s2, finished product delivery and transfer, wherein a whole stack of finished products transmitted by the upper-level conveying equipment enters the commodity shelf (200), the gravity sensor (3034) detects a gravity signal and the high-level photoelectric sensor (502) is blocked, the moving motor (401) stops, the electromagnet (2025) is powered off, the movable baffle (2022) is lifted, the lifting motor (301) is started, the ball screw (303) and the ball nut (3032) are matched to drive the commodity shelf (200) to descend, after the low-level photoelectric sensor (503) is blocked, the lifting motor (301) stops, the electromagnet (2025) is powered on again, the movable baffle (2022) descends and is retracted, and an operator drags the whole stack of materials to leave the commodity shelf (200) by using a hand-trailer;
s3, returning to the warehouse, after the weight sensor (3034) detects that the gravity returns to zero, the lifting motor (301) starts to work to lift the commodity shelf (200) to a high position to wait for the next group of materials;
s4, preparing for warehousing the tray, switching the working mode of the controller (501) to a warehousing mode, driving the article shelf (200) to return to a low position state by the lifting mechanism (300), enabling the height of the article shelf to be flush with the height of the delivery platform, electrifying the electromagnet (2025) and retracting the movable baffle (2022);
s5, putting the tray into storage, placing the tray group to be stored on a storage rack (200) by an operator, transmitting a signal to a controller (501) after a signal is detected by a weight sensor (3034), powering off an electromagnet (2025) after the controller (501) waits for 10 seconds, lifting a movable baffle plate (2022), starting a lifting motor (301) to drive the storage rack (200) to ascend, stopping the lifting motor (301) after a high-position photoelectric sensor (502) is blocked, powering on the electromagnet (2025) again, moving the movable baffle plate (2022) downwards to retract, starting a moving motor (401), and transmitting the tray group to upper-level conveying equipment by a chain (4021) under the action of a chain wheel (402);
and S6, resetting in storage, wherein after the controller (501) receives a detection signal of the sensor of the upper-level conveying equipment in a communication manner, the moving motor (401) stops, and the lifting motor (301) works to lower the commodity shelf (200) to a low position to wait for the next empty pallet group.
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| CN202111076475.5A CN113800173A (en) | 2021-09-14 | 2021-09-14 | Material lifting and conveying device and working method thereof |
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| CN202111076475.5A CN113800173A (en) | 2021-09-14 | 2021-09-14 | Material lifting and conveying device and working method thereof |
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| CN115783693A (en) * | 2022-11-16 | 2023-03-14 | 安徽离鸾自动化设备股份有限公司 | Material extraction element and stacking equipment |
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