CN111762492A

CN111762492A - Stacker and three-dimensional warehouse system

Info

Publication number: CN111762492A
Application number: CN202010648749.2A
Authority: CN
Inventors: 史延锋; 史延库
Original assignee: Suzhou Mengfu Electronic Technology Co ltd
Current assignee: Suzhou Mengfu Electronic Technology Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2020-10-13

Abstract

The invention provides a stacker and a three-dimensional storage system, wherein the stacker comprises a stand column, a cargo carrying platform capable of lifting along the stand column, a transfer device and a walking device, wherein the walking device comprises a ground rail, a walking wheel arranged at the lower end of the stand column and a walking driving mechanism for driving the walking wheel, the transfer device comprises a supporting mechanism, a rolling mechanism arranged on the supporting mechanism, a driving mechanism for driving the rolling mechanism to roll and a limiting mechanism, the rolling mechanism rolls and drives the cargo to move, the moving direction of the cargo on the rolling mechanism is defined as a first direction, the limiting mechanism is arranged on the supporting mechanism in a lifting mode, and when the top end of the limiting mechanism exceeds the upper portion of the rolling mechanism, the limiting mechanism limits the cargo in the first direction. So set up, the goods of convenient compatible not unidimensional and material have improved the efficiency of storage work.

Description

Stacker and three-dimensional warehouse system

Technical Field

The invention relates to the technical field of logistics storage, in particular to a stacker and a three-dimensional storage system.

Background

An automatic stereoscopic warehouse is a warehouse which stores goods by utilizing a high-rise stereoscopic goods shelf, is controlled and managed by a computer and adopts an automatic control stacker to carry out goods storing and taking operation. The tunnel stacker is a special crane developed along with the appearance of the automatic stereoscopic warehouse, and is the most important hoisting and transporting equipment in the automatic stereoscopic warehouse. The stacker moves along a rail in a roadway of the automatic stereoscopic warehouse to store the goods into the designated goods grid or take out the goods in the designated goods grid and convey the goods to a required position, and the storage and warehouse-in and warehouse-out operation of the goods are completed.

The existing stacker, goods to be carried and the three-dimensional goods shelf are generally matched in size. When the goods with different sizes need to be carried, the width of the fork of the stacker needs to be changed or adjusted, the compatibility of the stacker is poor, and the working efficiency is low. In addition, when carrying the softer goods of material, the inconvenient directness of structure of conventional stacker is forked the goods and is got, needs place the goods and fork again on layer board or other strutting arrangement and get, and the operation is inconvenient, and conveying efficiency is lower, and the automation of just not being convenient for is stored up in the warehouse.

Therefore, there is a need to design a stacker and a three-dimensional warehousing system to solve the above problems.

Disclosure of Invention

The invention aims to provide a stacker compatible with different cargoes.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a stacker, its includes the stand, can follow the stand lift carry cargo bed, locate and carry cargo bed on carry cargo bed and move device and running gear, running gear includes the ground rail, locates the walking wheel of stand lower extreme and the walking drive mechanism of road wheel that drives, move the device that carries and include supporting mechanism, locate rolling mechanism, drive on the supporting mechanism rolling actuating mechanism and stop gear, rolling mechanism rolls and drives the goods and removes, and the moving direction of definition goods on rolling mechanism is first direction, and supporting mechanism is located to stop gear liftable ground, stop gear's top surpasss during rolling mechanism top, stop gear is spacing to the goods in the first direction.

As a further improved technical scheme of the invention, the rolling mechanism comprises a plurality of rollers which are arranged side by side, the axial direction of the rollers is defined as a second direction, and the rollers can rotate in the forward direction and the reverse direction.

As a further improved technical scheme of the invention, the roller is an electric roller, the rolling driving mechanism is a driving card, the limiting mechanism comprises a baffle and an air cylinder connected with the baffle, the air cylinder is fixed on the supporting mechanism, and the baffle is driven by the air cylinder to ascend or descend so as to limit goods on the rolling mechanism.

As a further improved technical scheme of the invention, the limiting mechanism further comprises a photoelectric sensor for sensing the position of the goods, the photoelectric sensor is arranged on the supporting mechanism and corresponds to the baffle, and when the photoelectric sensor senses that the goods are in place, the baffle rises.

As a further improved technical scheme of the invention, the transfer device further comprises a material pushing mechanism arranged on the supporting mechanism, the material pushing mechanism is positioned above one end of the roller and can move along a second direction, and the material pushing mechanism and the supporting mechanism are matched to limit the goods in the second direction.

As a further improved technical solution of the present invention, the pushing mechanism includes a pushing plate extending in a first direction and a telescopic member disposed between the pushing plate and the supporting mechanism, and the telescopic member is telescopic in a second direction to drive the pushing plate to move in the second direction.

The invention also aims to provide a three-dimensional warehousing system compatible with different goods.

In order to achieve the purpose, the invention adopts the following technical scheme: a three-dimensional warehousing system comprises a vertical warehouse and any one of the stacking machines, wherein the vertical warehouse comprises a goods shelf assembly, and the stacking machine conveys goods to the goods shelf assembly or takes the goods out of the goods shelf assembly.

As a further improved technical scheme of the invention, the goods shelf component comprises a goods shelf and a plurality of bearing devices which are distributed on the goods shelf in an up-and-down stacked manner, each bearing device comprises a bearing support, a plurality of bearing rollers which are arranged on the bearing supports side by side and a driving mechanism for driving the bearing rollers to roll, and the bearing rollers roll synchronously and drive goods to move.

As a further improved technical scheme of the invention, the bearing roller is an electric roller, the driving mechanism is a driving card, the bearing roller can rotate forward and reversely, the bearing device further comprises a liftable limiting mechanism arranged on the bearing support, and when the top end of the limiting mechanism exceeds the upper part of the bearing roller, the limiting mechanism limits the goods.

As a further improved technical scheme of the invention, the limiting mechanism comprises a baffle plate, an air cylinder connected with the baffle plate and a photoelectric sensor for sensing the position of the goods, the air cylinder is fixed on the bearing support, the baffle plate is driven by the air cylinder to ascend or descend so as to limit the goods, and the photoelectric sensor is arranged on the bearing support and corresponds to the baffle plate.

According to the technical scheme, the stacker and the three-dimensional storage system replace the conventional fork with the rotatable transfer device, so that goods are conveyed to the goods shelf of the vertical warehouse, good compatibility is achieved for goods of different sizes and materials, and the storage efficiency is improved; in addition, the limiting mechanism is arranged to limit the goods on the transfer device, and the transportation safety is improved.

Drawings

Fig. 1 is a perspective view of a three-dimensional warehousing system according to the present invention.

Fig. 2 is a perspective view of the three-dimensional warehousing system of the invention.

Fig. 3 is a top view of the three-dimensional warehousing system of fig. 2.

Fig. 4 is an enlarged view of a circled portion in fig. 2.

Fig. 5 is a perspective view of the carrying device of the vertical garage of the present invention.

FIG. 6 is a perspective view of a stacker of the present invention.

Fig. 7 is an enlarged view of the circled portion in fig. 6.

Fig. 8 is a perspective view of a transfer device of a stacker according to the present invention.

FIG. 9 is a perspective view of the carrying cart according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 3, the present invention provides a three-dimensional warehousing system 100, which includes a vertical warehouse 1, a stacker 2, a carrying trolley 3 and a PLC controller 4. The three-dimensional warehousing system 100 of the present invention is generally installed indoors, and is particularly suitable for use in a dust-free warehouse. In the present invention, the warehouse 5 is provided with a cargo entrance 51, a cargo exit 52, and a personnel entrance 53.

The vertical warehouse 1 is used for storing goods, and as shown in fig. 4 and 5, the vertical warehouse 1 includes a plurality of shelf assemblies, each shelf assembly includes a shelf 11 and a plurality of carrying devices 12 stacked on the shelf 11. The shelves 11 may be individually placed or welded as a whole, which is not limited herein.

The carrying device 12 includes a carrying bracket 121, a plurality of carrying rollers 122 arranged side by side, and a limiting mechanism 123. The supporting frame 121 is composed of a plurality of beams 1211 and two vertical beams 1212 connecting two ends of the beams 1211. The two ends of the bearing roller 122 are respectively installed between the two vertical beams 1212. In other embodiments, the specific structure of the bearing bracket 121 may be in other forms, and only two ends of the bearing roller 122 need to be fixed, which is not limited herein.

The carrying roller 122 can be driven by a driving mechanism (not shown) to rotate synchronously. The drive mechanism may drive the load bearing roller 122 in either a forward or reverse direction, depending on the particular requirements of the cargo being handled. Specifically, the load-bearing roller 122 is a motorized roller and the drive mechanism is a drive card. A motor is provided inside the carrying roller 122, and the adjacent carrying rollers 122 are driven by a timing belt (not shown). The speed of the rolling of the load bearing rollers 122 may be controlled by selectively turning on or off a switch on the drive card that controls each load bearing roller 122. The size of the carrier 12 for different shelf assemblies may be set to different sizes, i.e., different lengths of the carrier roller 122, to accommodate the storage requirements of different sized products.

The limiting mechanism 123 is disposed on the supporting bracket 121, and specifically, the limiting mechanism 123 includes a plurality of baffles 124, an air cylinder 125 for driving the baffles 124 to ascend and descend, and a photoelectric sensor 126 for sensing the position of the goods. The cylinder 125 is fixed to the middle of the cross-beam 1211, and the baffle 124 is mounted to the top end of the cylinder 125. Each baffle 124 is lifted and lowered between two adjacent bearing rollers 122 by the pushing of the air cylinder 125. The photoelectric sensor 126 is disposed on the supporting bracket 121 and corresponds to the baffle 124. In the present invention, the limit mechanisms 123 are provided in 2 groups. When the goods are conveyed to the carrying device 12, the front and rear baffle plates 124 of the goods are pushed by the air cylinder 125 to rise and be higher than the carrying roller 122 so as to block the goods and prevent the goods from sliding off; when the goods need to be removed, the air cylinder 125 pushes the baffle 124 to descend, the baffle 124 is lower than the highest point of the bearing roller 122, and the goods are smoothly transported out under the rotation of the bearing roller 122.

Referring to fig. 3, the shelf assemblies of the present invention are arranged in two rows. The stacker 2 is arranged between two rows of goods shelf components, so that goods can be conveniently taken and placed on the goods shelf components. Referring to fig. 5 to 8, the stacker crane 2 includes a column 21, a traveling device 22, a stage 23 provided on the column 21, a transfer device 24 provided on the stage 23, and a lifting/lowering drive 24 for driving the stage 23 to lift and lower along the column 22. In the present invention, the traveling device 22 includes a ground rail 221 installed on the ground, a traveling wheel 222 provided at the lower end of the column 21, a traveling drive mechanism 223 for driving the traveling wheel to travel, a top rail 224, and a support wheel 225 provided at the top end of the column 21. In other embodiments, the top rail 224 and the supporting wheels 225 disposed at the top end of the upright 21 can be omitted from the walking device 22. The upright post 21 and the walking device 22 are both of the prior structure and are not described in detail herein.

Similar to the carrier device 12 of the vertical warehouse 1, the transfer device 24 includes a support mechanism 241, a rolling mechanism provided on the support mechanism 241, a drive mechanism for driving the rolling mechanism to roll, and a limit mechanism 243. The supporting mechanism 241 includes a rectangular parallelepiped frame and a plurality of cross beams 2411 disposed on the bottom surface of the rectangular parallelepiped frame. The rolling mechanism rolls and drives the goods to move, the rolling mechanism comprises a plurality of rollers 242 arranged side by side, and two ends of each roller 242 are respectively installed at the bottom of the frame of the supporting mechanism 241. In other embodiments, the specific structure of the supporting mechanism 241 may be in other forms, and is not limited herein.

The rollers 242 are driven by a driving mechanism to rotate synchronously. The drive mechanism may drive the roller 242 in either a forward or reverse direction depending on the particular requirements of the cargo being handled. Specifically, the roller 242 is a motorized roller and the drive mechanism is a drive card. The electric roller is internally provided with a motor which is connected with a driving card, and the adjacent rollers 242 are driven by a synchronous belt. The rolling speed of the rollers 242 may be controlled by selectively turning on or off a switch on the drive card that controls each roller 242.

In the present invention, the transfer device 24 has the same size as the largest carrier device 12, i.e., the length of the roller 242 is equal to the length of the longest carrier roller 122. So set up, convenient compatible not unidimensional load bearing device 12, and then the goods of convenient transportation not unidimensional need not frequently to change moving of stacker 2 and carry device 24.

The limiting mechanism 243 is arranged on the supporting mechanism 241 in a lifting manner, and when the top end of the limiting mechanism 243 exceeds the upper part of the rolling mechanism, the limiting mechanism 243 limits the goods in the first direction. Specifically, the limiting mechanism 243 includes a photoelectric sensor 246, a baffle 244 and an air cylinder 245 for driving the baffle 244 to ascend and descend, the air cylinder 245 is respectively connected with the baffle 244 and the supporting mechanism 241, the air cylinder 245 is specifically fixed in the middle of the cross beam 2411, and the air cylinder 245 drives the baffle 244 to ascend and descend between the two adjacent rollers 242. A photosensor 246 is provided on the support mechanism and is disposed in correspondence with the baffle 244.

In the present invention, the moving direction of the goods on the rolling mechanism is defined as a first direction, that is, the rolling direction of the roller 242 is defined as a first direction, and the axial direction of the roller 242 is defined as a second direction. The limiting mechanisms 243 are 3 groups and are arranged along the first direction. The distance between the two adjacent limiting mechanisms 243 is set according to the size of the cargo, and is not limited herein. When the goods are transferred onto the transfer device 24, the photoelectric sensor 246 senses the position of the goods and transmits a position signal of the goods to the PLC 4, the air cylinder 245 is controlled to act, and the front baffle 244 and the rear baffle 244 of the goods are pushed by the air cylinder 245 to rise and exceed the upper side of the roller 242 so as to block the goods and prevent the goods from sliding; when the goods need to be removed, the air cylinder 245 pushes the baffle 244 to descend, the baffle 244 is lower than the highest point of the roller 242, and the goods are smoothly transported out under the rotation of the roller 242.

The transfer device 24 further includes a material pushing mechanism disposed on the supporting mechanism 241, and the material pushing mechanism and the supporting mechanism 241 cooperate to limit the goods in the second direction, so as to prevent the goods from shaking. The pushing mechanism is located above one end of the roller 242 and can move along the second direction, specifically, the pushing mechanism includes a push plate 247 extending in the first direction and a telescopic member 248 disposed between the push plate 247 and the supporting mechanism 241, and the telescopic member 248 stretches along the second direction to drive the push plate 247 to move in the second direction.

Referring to fig. 1 and 9, the carrier 3 is used for carrying cargo in and out at a cargo inlet 51 or a cargo outlet 52. In the invention, the height of the carrying trolley 3 is matched with that of the lowest layer of the rack of the vertical warehouse 1, and when the carrying trolley 3 is close to the rack 11, the roller 322 of the carrying trolley 3 is aligned with the bearing roller 122 at the lowest layer, thereby facilitating the transfer of goods.

The conveyance cart 3 includes a cart body 31, a transfer mechanism 32 provided at an upper portion of the cart body 31, and a steering mechanism 33. The vehicle body 31 is preferably formed by channel steel welding. The transferring mechanism 32 includes a frame 321, and a plurality of rollers 322 and a driving mechanism disposed side by side, wherein the rollers 322 can be driven by the driving mechanism to rotate synchronously. In the present invention, the roller 322 is a motorized roller and the driving mechanism is a driver card. The roller 322 is similar to the roller 242 in structure, and is not described in detail herein.

The number of the steering mechanism 33 is plural, and the steering mechanism 33 is provided between two adjacent rollers 322. Specifically, the turning mechanism 33 includes an elevating portion 331, a roller holder 332 fixed to the elevating portion 331, a plurality of small rollers 333, and a conveyor belt 334 provided outside the small rollers 333. The rolling direction of the small rollers 333 and the conveying direction of the conveyor belt 334 are parallel to the axial direction of the rollers 322. The turning mechanism 33 is integrally lifted by the lifting part 331, and when the goods on the carrying trolley 3 need to be turned to be transported, the turning mechanism 33 is lifted, the uppermost part of the conveyor belt 334 is higher than the highest part of the roller 322, at this time, the goods only contacts with the turning mechanism 33, the small roller 333 rotates to drive the conveyor belt 334, and the goods move along the conveying direction of the conveyor belt. When the transfer is complete, the diverter mechanism 33 is lowered and the conveyor belt 334 is uppermost below the rollers 322.

The PLC 4 is used for controlling the actions of the vertical warehouse 1, the stacker 2 and the carrying trolley 3 according to the position information of the goods and the pre-stored storage rule. For convenience, the PLC controller 4 is disposed outside the wall near the personnel access opening 53, so as to facilitate operation by an operator. So set up, the automated control of three-dimensional warehouse system of being convenient for improves the efficiency and the degree of automation of storage work.

During operation, a carrying trolley is respectively arranged at the goods inlet 51 and the goods outlet 52, goods to be transported are placed on the carrying trolley 3a positioned at the goods inlet 51, the carrying trolley 3b positioned at the goods outlet 52 is in an idle state, and the carrying

trolleys

3a and 3b are respectively butted with the bearing device 12 on the goods shelf 11. The PLC controller 4 controls the rollers 322 of the cart 3a and the carrier roller 122 to roll synchronously to transport the cargo from the cart 3a to the carrier 12. Further, the PLC controller 4 controls the transfer device 24 of the stacker 2 to be in butt joint with the carrier device 12, and the drums of the carrier device and the carrier device rotate synchronously to transport the goods from the carrier device 12 to the transfer device 24, and further, the stacker 2 selects an appropriate position on the shelf by traveling and lifting the carrier table 23, and transfers the goods on the transfer device 24 to the appropriate position. On the other hand, when the goods on the shelf 11 need to be transported, the stacker 2 first transfers the goods from another position on the shelf 11 to the carrier 12 abutting on the cart 3b, and then controls the cart 3b and the rollers 122 of the carrier 12 to rotate synchronously to transport the goods.

In summary, the three-dimensional warehousing system of the invention has the advantages that the load transfer device is arranged on the goods carrying platform of the stacker, the bearing device is arranged on the goods shelf of the vertical warehouse, and the load transfer device is butted with the bearing device, so that goods can be conveniently transported between the stacker and the goods shelf of the vertical warehouse, good compatibility is provided for goods with different sizes and materials, the goods with softer materials, such as plastic sucking discs, can be better compatible, and the efficiency of warehousing work is improved. The shifting device is provided with the limiting mechanism and the pushing mechanism to limit the goods on the shifting device in the first direction and the second direction, so that the safety of the stacker during transportation is improved. In addition, the limiting mechanism is arranged on the bearing device to limit the goods on the goods shelf, so that the safety of storage in the vertical warehouse is improved. Furthermore, the carrying trolley with the transfer mechanism and the steering mechanism is arranged to carry goods in and out of the vertical warehouse, operation is flexible, and storage work efficiency is further improved.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the above embodiments are only used for illustrating the invention and not for limiting the technical solutions described in the invention, and the understanding of the present specification should be based on the technical personnel in the field, and although the present specification has described the invention in detail by referring to the above embodiments, the ordinary skilled in the art should understand that the technical personnel in the field can still make modifications or equivalent substitutions to the present invention, and all the technical solutions and modifications thereof without departing from the spirit and scope of the present invention should be covered in the claims of the present invention.

Claims

1. The utility model provides a stacker, its includes the stand, can follow the stand lift carry cargo bed, locate and carry cargo bed on move and carry cargo bed and running gear, running gear includes the ground rail, locates the walking wheel of stand lower extreme and the walking drive mechanism of road wheel, its characterized in that: the moving and carrying device comprises a supporting mechanism, a rolling mechanism arranged on the supporting mechanism, a driving mechanism for driving the rolling mechanism to roll and a limiting mechanism, wherein the rolling mechanism rolls and drives the goods to move, the moving direction of the goods on the rolling mechanism is defined as a first direction, the limiting mechanism is arranged on the supporting mechanism in a liftable mode, and when the top end of the limiting mechanism exceeds the upper portion of the rolling mechanism, the limiting mechanism limits the goods in the first direction.

2. The stacker according to claim 1, wherein: the rolling mechanism comprises a plurality of rollers which are arranged side by side, the axial direction of the rollers is defined as a second direction, and the rollers can rotate in the forward direction and the reverse direction.

3. The stacker according to claim 2, wherein: the roller is an electric roller, the driving mechanism is a driving clamp, the limiting mechanism comprises a baffle and an air cylinder connected with the baffle, the air cylinder is fixed on the supporting mechanism, and the baffle rises or falls under the driving of the air cylinder so as to limit goods on the rolling mechanism.

4. The stacker according to claim 3, wherein: the limiting mechanism further comprises a photoelectric sensor used for sensing the position of the goods, the photoelectric sensor is arranged on the supporting mechanism and corresponds to the baffle, and when the photoelectric sensor senses that the goods are in place, the baffle rises.

5. The stacker according to claim 2, wherein: the moving and carrying device further comprises a material pushing mechanism arranged on the supporting mechanism, the material pushing mechanism is located above one end of the roller and can move along the second direction, and the material pushing mechanism and the supporting mechanism are matched to limit the goods in the second direction.

6. The stacker according to claim 5, wherein: the pushing mechanism comprises a push plate extending in a first direction and a telescopic piece arranged between the push plate and the supporting mechanism, and the telescopic piece stretches along a second direction to drive the push plate to move in the second direction.

7. A three-dimensional warehouse system, its characterized in that: comprising a vertical store comprising a shelf assembly and a stacker according to any one of claims 1 to 6, said stacker delivering goods onto or removing goods from said shelf assembly.

8. The stereoscopic warehousing system of claim 7, wherein: the goods shelf component comprises a goods shelf and a plurality of bearing devices which are distributed on the goods shelf in an up-down stacking mode, each bearing device comprises a bearing support, a plurality of bearing rollers arranged on the bearing supports side by side and a driving mechanism for driving the bearing rollers to roll, and the bearing rollers roll synchronously and drive goods to move.

9. The stereoscopic warehousing system of claim 8, wherein: the bearing device is characterized in that the bearing roller is an electric roller, the driving mechanism is a driving card, the bearing roller can rotate forwards and reversely, the bearing device further comprises a liftable limiting mechanism arranged on the bearing support, and when the top end of the limiting mechanism exceeds the upper portion of the bearing roller, the limiting mechanism limits goods.

10. The stereoscopic warehousing system of claim 9, wherein: the limiting mechanism comprises a baffle, an air cylinder connected with the baffle and a photoelectric sensor used for sensing the position of goods, the air cylinder is fixed on the bearing support, the baffle is driven by the air cylinder to ascend or descend so as to limit the goods, and the photoelectric sensor is arranged on the bearing support and corresponds to the baffle.