CN107416408B - Sideslip structure and goods shelves system - Google Patents
Sideslip structure and goods shelves system Download PDFInfo
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- CN107416408B CN107416408B CN201710796992.7A CN201710796992A CN107416408B CN 107416408 B CN107416408 B CN 107416408B CN 201710796992 A CN201710796992 A CN 201710796992A CN 107416408 B CN107416408 B CN 107416408B
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- 230000005540 biological transmission Effects 0.000 claims description 38
- 230000007246 mechanism Effects 0.000 claims description 27
- 230000002512 anti-withdrawal effect Effects 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 7
- 210000000078 claw Anatomy 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003578 releasing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- B65G1/10—Storage devices mechanical with relatively movable racks to facilitate insertion or removal of articles
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention provides a traversing structure and a goods shelf system, which relate to the technology of automatic operation of goods shelves and are used for solving the problems of rail changing and turning of a passive goods shelf, and the technical scheme of the traversing structure comprises the following steps: a power device for traversing the track device, the transfer tray and the transfer tray; the transfer plate is positioned on the transverse moving rail and can move back and forth along the transverse moving rail; the power device comprises a traction device for driving the transfer plate to move back and forth on the transverse moving track; the transfer plate is fixed on the traction device; the transfer tray is provided with a shelf rail. The technology of the invention can realize the automatic turning of the passive goods shelf, and the two pairs of parallel rails are butted, so that the goods shelf can be shifted into the other rail from one pair of rails, and the two pairs of parallel rails form a circulating loop.
Description
Technical Field
The invention relates to a technology for automatically operating a goods shelf.
Background
The existing rail goods shelf is named as a novel intelligent electric movable goods shelf for an automatic stereoscopic warehouse, for example, chinese patent application number 201510248361.2, and the publication date of the rail goods shelf is 2017, 1 month and 4 days. The lower surface of the goods shelf is provided with rollers, the rollers are provided with upright posts, a cross beam is arranged between the upright posts, and a driving device and a control device are arranged beside the upright posts; the rollers move in the grooved track. A drive on the shelf drives the shelf to move within the track. The goods shelf carries a driving device and is driven by a motor, and rollers of the goods shelf are arranged below the upright posts. The pallet disclosed in this patent is a self-propelled pallet that can walk on a track by itself. When the goods shelf moves to the picking position, a braking system on the goods shelf controls the goods shelf to stop moving. The driving device of the roller is arranged on the goods shelf, and the goods shelf can realize turning and turning around on the track. And the passive goods shelf has no power source, and needs to be manually participated in turning and traversing.
Disclosure of Invention
The invention aims to provide a transverse moving structure for solving the problems of rail changing and turning of a passive goods shelf.
The second technical problem to be solved by the invention is to provide a goods shelf system which has the functions of automatic rail changing and turning.
In order to solve the first technical problem of the present invention, the present invention provides a traversing structure, which includes: a power device for traversing the track device, the transfer tray and the transfer tray; the transfer plate is positioned on the transverse moving rail and can move back and forth along the transverse moving rail; the power device comprises a traction device for driving the transfer plate to move back and forth on the transverse moving track; the transfer plate is fixed on the traction device; the transfer tray is provided with a shelf rail.
Preferably: the traversing structure comprises a sensing element for sensing the position of the transfer tray. Further, the sensing element includes a moving element and a fixed element; the moving element is arranged on the transfer plate; the transverse moving rail device comprises a transverse moving rail seat, the transverse moving rail is arranged on the transverse moving rail seat, and the fixing element is arranged on the transverse moving rail seat.
Preferably: the transverse moving track is a double track. In other embodiments, the traversing rail may be a monorail, and the monorail is located at an intermediate position below the transfer tray, for example, the traversing rail may be an i-rail, and the transfer tray may be an arm-rail roller, where the dragging portion of the transfer tray generally shares a portion of the weight, and if the dragging portion of the transfer tray is fixed to the belt, the belt may be subjected to a certain external force. The double rails can enable the transfer tray to run more stably, the stable design scheme is more, for example, the sliding blocks are matched with the sliding rails, in addition, the dragging belt can not share the weight of more transfer trays, the dragging action of the transfer trays is quicker, and the service life is longer.
Preferably: the traction device is a belt traction device and comprises a belt, a driving wheel and a driven wheel; the transfer plate is fixed on the belt; the power device comprises a motor, the motor is connected with a driving wheel, and belt transmission is arranged between the driving wheel and a driven wheel. In other embodiments, a chain drive may be used instead of a belt drive.
Preferably: the traction device is a bar gear traction device and comprises a transmission gear, the transmission gear is positioned at the middle position of one side of the transverse moving track, the bar gear is arranged on the transfer disc, and the transmission gear is positioned above the bar gear and meshed with the bar gear. The transmission gears comprise two driving wheels meshed with the two driving wheels, the driving wheels are connected with a motor device, one of the two transmission gears is a picking position transmission gear, and the other transmission gear is a waiting position transmission gear. When the transfer disc is completely positioned at the picking position and is in butt joint with the track, the transmission gear of the picking position is meshed with the bar gear, and the transmission gear of the waiting position is not contacted with the bar gear; when the transfer disc is completely positioned at the waiting position and is in butt joint with the track, the waiting position transmission gear is meshed with the bar gear, and the picking position transmission gear is not contacted with the bar gear. This design ensures that the transfer trays can be reciprocated in the picking and waiting positions.
Preferably: the goods shelf rail is a groove structure rail or a protrusion rail.
Preferably: the traction device also comprises a guide wheel, the guide wheel is arranged beside the driving wheel and the driven wheel, and the belt is wound around the lower part of the guide wheel and then sleeved on the driving wheel or the driven wheel. The guide wheel can adjust the tension of the belt to enable the belt to be in a tight state, the guide wheel can press the belt from the upper parts of the driving wheel and the driven wheel to the lower part, the contact surface between the belt and the driving wheel is increased, and the effective transmission of the driving wheel to the belt is facilitated.
Preferably: a sliding block is fixed below the transfer plate and is arranged on the transverse moving track. The transverse moving track is a protrusion, and the sliding block is a groove-shaped object and rides on the protrusion, and the sliding block and the protrusion are in sliding contact. In other embodiments, payroll wheels may be mounted on the transfer plate, with the traversing rail being an I-shaped rail. Or the roller is arranged below the transfer plate, the transverse moving track is a groove track, and the roller rolls back and forth in the groove track.
Preferably: the length of the transverse moving track is twice that of the transfer plate. The transverse moving track is provided with a selecting position and a waiting position, which respectively correspond to the two pairs of tracks of the circulating track, and the transfer tray moves back and forth on the selecting position and the waiting position, so that transverse moving steering conveying of the goods shelf is realized.
Preferably: the surface of the goods shelf rail is provided with a friction structure. The friction structure may be a wear-resistant rubber that is adhered to the surface of the pallet track, or a row of protrusions along the surface of the pallet track, the protrusions may be rivet heads for securing the pallet track.
In order to solve the second technical problem of the present invention, the present invention provides a shelf system, which includes a track, and is characterized by further including a traversing structure;
the traversing structure comprises: a power device for traversing the track device, the transfer tray and the transfer tray; the transfer plate is positioned on the transverse moving rail and can move back and forth along the transverse moving rail; the power device comprises a traction device for driving the transfer plate to move back and forth on the transverse moving track; the transfer plate is fixed on the traction device; the transfer tray is provided with a shelf rail.
The transverse moving structure is arranged at the end parts of the two pairs of parallel rails, and the two goods shelf rails on the transfer tray position can be in butt joint with each pair of parallel rails in the two pairs of parallel rails.
Preferably: one side of the transfer plate fixing traction device is provided with an anti-withdrawal buffer mechanism, and the anti-withdrawal buffer mechanism is arranged at the goods shelf entering end of the transverse moving track. When the goods shelf enters the picking position, certain inertia exists, the buffer mechanism and the anti-withdrawal structure are arranged at the picking position, so that the stability of the goods shelf is facilitated, the anti-withdrawal buffer mechanism is arranged at the outer side of the transfer disc, the goods shelf can be stabilized at the picking position, and the follow-up transfer disc is convenient to transport the goods shelf.
Preferably: the anti-retreating buffer mechanism comprises: a buffer structure and a locking structure;
wherein the buffer structure comprises a buffer plate, and the buffer plate is provided with a first plate surface for contacting and buffering with a goods shelf;
the locking structure comprises a locking piece used for preventing the goods shelf from moving towards the direction away from the buffer plate so that the buffer plate is in a locking state, and the locking piece is positioned on the buffer path of the first plate surface.
The shelves are all steel shelves, so the locking member may be an electromagnet, or a locking hook device.
Preferably: the unlocking structure comprises a pushing piece;
the buffer plate further comprises a second plate surface positioned at the opposite side of the first plate surface, and a protruding part is arranged on the second plate surface;
the locking piece further comprises a grapple, a rotating shaft and a pressing piece, wherein the grapple is provided with a contact part which is arranged on the top edge of the buffer plate in a leaning way, the contact part comprises a first end and a second end, the first end is fixedly connected with the rotating shaft, and the second end is provided with a claw part which faces the buffer plate; the rotating shaft is rotationally connected with the protruding part; the pressing piece comprises a third end and a fourth end, the third end is fixedly connected with the rotating shaft, an inclined portion is arranged on the fourth end and used for enabling the pushing piece to slide in and push against so as to drive the rotating shaft to rotate in the direction that the contact portion is far away from the buffer plate.
The locking hook device can realize the locking hook to hook the goods shelf and the unhooking action before the moving and carrying tray moves from the picking position to the waiting position.
Preferably: comprises a first screw rod assembly;
the pushing piece comprises a first pushing plate, and a first through hole is formed in the first pushing plate;
the buffer structure further comprises a first column body and a first fixing plate which is arranged opposite to the plate surface of the buffer plate, and the first pushing plate is positioned between the buffer plate and the first fixing plate; the first column body is movably arranged in the first through hole, the buffer plate and the first fixing plate are respectively and fixedly connected to two ends of the first column body, and the buffer plate and the first fixing plate are respectively provided with a movable path which moves relative to the first pushing plate;
the first screw rod assembly comprises a first screw rod shaft, the transmission end of the first screw rod shaft is in transmission connection with the first pushing plate, and the power input end of the first screw rod shaft is connected with the motor transmission device.
Preferably: the first pushing plate is provided with a slotted hole matched with the inclined part in shape, and the inclined part is positioned on a movable path of the bottom wall of the slotted hole.
Preferably: the locking structure comprises two locking pieces, and the two locking pieces are rod-shaped grapples. A locking element may also be implemented.
Preferably: the top edge of the buffer plate is further provided with a limiting groove, and the contact part is positioned in the limiting groove.
Preferably: a sensor for sensing that the goods shelf impacts the buffer plate is arranged beside the buffer plate.
Preferably: the two ends of the two pairs of parallel rails are respectively provided with the transverse moving structure, and the transverse moving structure is used for realizing the crossing of the goods shelf from one pair of rails to the other pair of rails; two pairs of parallel tracks and the transverse moving structures at the two ends of the parallel tracks form a circulation route. The side by side double rails can effectively utilize the sites, so that the shelf arrangement is denser, and the site use of the system is improved. For the passive goods shelves, the parallel straight rails can effectively enable the front goods shelf and the rear goods shelf to apply force mutually, and the stability of a goods shelf system is facilitated.
The invention has the beneficial effects that:
compared with the prior art, the technology of the invention can realize the automatic turning of the passive goods shelf, and the two pairs of parallel rails are butted, so that the goods shelf can be transferred into the other rail from one pair of rails, and the two pairs of parallel rails form a circulating loop. On the sideslip structure, set up and select the position, the staff can select or put into good order on this position of selecting. The invention is also suitable for the active goods shelf, namely the goods shelf carrying the driving device, when the goods shelf enters the picking position, the power source of the active goods shelf is closed, and after the active goods shelf enters the main track from the waiting position, the power of the active goods shelf is started, so that the invention can realize the rapid turning of the active goods shelf, reduce the turning radius and improve the turning efficiency.
Drawings
FIG. 1 is an overall schematic of a shelving system in accordance with a first embodiment of the invention.
Fig. 2 is a top view of the shelving system.
Fig. 3 is a bottom view of the shelving system.
Fig. 4 is a perspective view of the traversing structure.
Fig. 5 is a perspective view of a part of the structure of the traversing structure.
Fig. 6 is a front view of the traversing structure.
Fig. 7 is a top view of the traversing structure.
Fig. 8 is a perspective view of a traversing structure of the second embodiment.
Fig. 9 is a perspective view of another view of the traversing structure of the second embodiment.
Fig. 10 is a perspective view of the anti-back buffer mechanism.
Fig. 11 is a structural view of the locking structure.
Fig. 12 is an enlarged view of a portion a in fig. 10.
Fig. 13 is a schematic cross-sectional view of a first thrust plate.
Fig. 14 is a perspective view of the front view of the anti-roll-back damper mechanism.
Fig. 15 is a schematic view of a cross section of a sliding structure between the transfer tray and the traversing rail.
The figure identifies the description:
1. a goods shelf; 2. a first pair of rails; 3. a second pair of rails; 4. a traversing structure; 5. a picking position; 6. waiting position; 7. a buffer mechanism for preventing the return; 8. a propulsion mechanism; 9. a traversing rail; 10. a track seat; 11. a cross bar; 12. a belt; 13. a motor; 14. a first guide wheel; 15. a top plate; 16. a driving wheel; 17. a sensing element first portion; 18. a sensing element second portion; 19. a shelf rail; 20. a transfer tray; 21. a fixing seat; 22. a connecting piece; 23. driven wheel; 24. a second guide wheel; 25. a belt wheel mounting seat; 26. a side frame; 27. a slide block;
30. a buffer plate; 31. a first panel; 32. a pushing member; 33. a second panel; 34. a boss; 35. a rotating shaft; 36. a grapple; 37. a pressing member; 38. a first end; 39. a second end; 40. a third end; 41. a fourth end; 42. an inclined portion; 43. a first thrust plate; 44. a first screw shaft; 45. a first column; 46. a first fixing plate; 47. a first through hole; 48. a motor drive; 49. a slot hole; 50. a locking member; 51. a limit groove; 52. a contact portion; 53. a screw rod seat;
60. a driving wheel; 61. a first driven wheel; 62. a second driven wheel; 63. a motor; 64. a drive gear set; 65. a traversing rail; 66. a transfer tray; 67. a bar gear; 68. a buffer plate; 69. a rubber wheel; 70. a support; 71. a front seat; 72. a shaft post; 73. a rear seat; 74. and a side seat.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
Referring to fig. 1, the shelf system according to the present invention comprises two pairs of side-by-side double rails, namely a first pair of rails 2 and a second pair of rails 3 in fig. 1, which constitute a main rail. The end parts of the two pairs of rails are provided with transverse moving structures 4. The traversing structure 4 comprises two goods shelf functional parts of a picking position 5 and a waiting position 6, a buffer mechanism 7 for preventing retreating is arranged at the outer side of the picking position 5, and a propelling mechanism 8 is arranged at the outer side of the waiting position 6. The picking position is used for picking and loading cargoes on the goods shelf. The waiting position is used for enabling the goods shelf to wait before entering the track, and applying force to the goods shelf on the whole single pair of tracks to push the goods shelf to advance. The shelf 1 in fig. 1 is a passive shelf, rollers are arranged at the bottom of the shelf 1, the movement of the rollers on the tracks is realized by the interaction force of the front shelf and the rear shelf, and the initial power on each pair of tracks is derived from a propelling mechanism outside a waiting position. The rail is preferably an I-shaped rail, and the rollers at the bottom of the goods shelf are preferably I-shaped rollers. The anti-back buffer mechanism 7 and the pushing mechanism 8 are auxiliary mechanisms arranged outside the traversing mechanism.
And two ends of the two pairs of parallel rails are respectively provided with a transverse moving structure 4, and the transverse moving structures 4 are used for realizing the crossing of the goods shelf from one pair of rails to the other pair of rails. Two pairs of parallel tracks and the transverse moving structures at the two ends of the parallel tracks form a circulation route. The side by side double rails can effectively utilize the sites, so that the shelf arrangement is denser, and the site use of the system is improved.
The traversing structure is shown in fig. 2 to 7, and comprises: a traversing rail device, a transfer tray 20 and a power device of the transfer tray.
The traversing rail device comprises a traversing rail 9 which is arranged on a rail seat 10. The transfer tray 20 is located on the traversing rail 9 and can move back and forth along the traversing rail. The traversing rails 9 are double rails, the rails being straight square bars in shape, perpendicular to the main rails of the shelving system (i.e. the first pair of rails 2 and the second pair of rails 3). A groove-shaped sliding block is arranged below the transfer plate, is matched with the transverse moving track and rides on the square bar-shaped transverse moving track 9. Side frames 26 are provided at both ends of the traversing rail and the rail seat 10, and the side frames 26 are fixed to the ground by fixing seats 21. The rail seat 10 is provided with a cross bar 11 in the middle perpendicular to the traversing rail, which is used to ensure the consistency of the distance between the traversing rails and improve the strength of the rail seat. A foot cup is arranged below the track seat, and threads are arranged on the foot cup, so that the height of the track seat can be adjusted. The fixing seat 21 is provided with a vertical waist-shaped hole, and a bolt penetrates through the waist-shaped hole to be fixed on the track seat, and the waist-shaped hole can be used for adjusting the heights of two sides of the track seat.
The pallet track 19 is a bump track and the pallet may ride directly on the pallet track 19 from the first pair of tracks 2, in another embodiment the pallet track may be designed as an i-track that coincides with the main track. Referring to fig. 1, the traversing structure is disposed at the ends of two pairs of parallel rails, and two shelf rails on the transfer tray can be abutted with each pair of parallel rails in the two pairs of parallel rails.
Referring to fig. 15, a slider 27 is fixed to the underside of the transfer tray, and the slider 27 is provided on the traversing rail. The transverse moving track is a protrusion, and the sliding block is a groove-shaped object and rides on the protrusion, and the sliding block and the protrusion are in sliding contact. In other embodiments, rollers are mounted below the transfer plate, the traversing rail is a grooved rail, and the rollers roll back and forth in the grooved rail.
The length of the traversing track is twice the length of the transfer plate. The transverse moving track is provided with a selecting position and a waiting position, which respectively correspond to the two pairs of tracks of the circulating track, and the transfer tray moves back and forth on the selecting position and the waiting position, so that transverse moving steering conveying of the goods shelf is realized.
The power device is arranged at the outer side of the transverse moving structure, and the inner side of the transverse moving structure is connected with the main rail. The power device is used for dragging the transferring disc. Comprises a traction device for driving the transfer plate to move back and forth on a transverse moving track. Referring to fig. 4 and 5, the traction device is a belt traction device that includes a belt 12, a drive pulley 16, and a driven pulley 23. The transfer plate is secured to the belt 12 by a connector 22. The power device comprises a motor 13, the motor 13 is connected with a driving wheel 16, and belt transmission is arranged between the driving wheel 16 and a driven wheel 23. In other embodiments, a chain drive may be used instead of a belt drive. Referring to fig. 6, both the drive and guide wheels are mounted on a pulley mount 25. The pulley mount 25 is fixed to the outer side of the rail mount 10, and a top plate 15 is provided above the driving wheel and the guide wheel.
The traction device further comprises a guide wheel, a first guide wheel 14 arranged beside the driving wheel 16, and a second guide wheel 24 arranged beside the driven wheel 23. The guide wheels are arranged side by side with the attached driving wheels, and the heights of the wheel shafts are generally consistent. The radius of the wheel of the guiding wheel is smaller than the radius of the wheel to which the guiding wheel is attached. In other embodiments, the radius of the wheels of the guide wheel may also be equal to or greater than the radius of the wheel to which it is attached. The guide wheel has the function of pressing down the belt wound by the driving wheel, so that the contact surface of the belt and the driving wheel is larger, and the driving force of the driving wheel on the belt is increased. The belt is wound around the lower part of the guide wheel and then sleeved on the driving wheel or the driven wheel. The guide wheel can adjust the tension of the belt to enable the belt to be in a tight state, the guide wheel can press the belt from the upper parts of the driving wheel and the driven wheel to the lower part, the contact surface between the belt and the driving wheel is increased, and the effective transmission of the driving wheel to the belt is facilitated.
The traversing structure includes a sensing element for sensing the position of the transfer plate. The sensing element comprises a moving element, in fig. 4 a second portion 18 of the sensing element, which is fixed to a transfer plate 20; the fixing element is a first portion 17 of the sensing element, which is fixed to the track seat 10.
Referring to fig. 1, a buffer mechanism 7 for preventing the transfer tray from moving back is provided on one side of the transfer tray fixing and pulling device. Referring to fig. 11 to 15, a back-preventing buffer mechanism is provided at the shelf entry end of the traversing rail. When the goods shelf enters the picking position, certain inertia exists, the buffer mechanism and the anti-withdrawal structure are arranged at the picking position, so that the stability of the goods shelf is facilitated, the anti-withdrawal buffer mechanism is arranged at the outer side of the transfer disc, the goods shelf can be stabilized at the picking position, and the follow-up transfer disc is convenient to transport the goods shelf.
The buffer gear that prevents moving back includes: a buffer structure and a locking structure. In a simplified embodiment, the anti-rollback cushioning mechanism may also be a single cushioning mechanism.
Fig. 11 to 15 show a structure of an embodiment. The cushioning structure includes a cushioning plate 30, the cushioning plate 30 having a first deck 31 for cushioning in contact with the pallet.
The locking structure comprises a locking piece for preventing the goods shelf from moving away from the buffer plate so as to enable the buffer plate to be in a locking state, and the locking piece is positioned on the buffer path of the first plate surface 31.
The shelves are all steel shelves, so the locking member may be an electromagnet, or a locking hook device.
The locking structure includes an unlocking structure including a push member 32.
The buffer plate 30 includes a second plate 33 disposed on the opposite side of the first plate, and a protrusion 34 is disposed on the second plate 33, where the protrusion 34 is a shaft seat of the rotating shaft 35.
The locking piece 50 comprises a grabbing hook 36, a rotating shaft 35 and a pressing piece 37, wherein the grabbing hook 36 is provided with a contact part leaning against the top edge of the buffer plate and comprises a first end 38 and a second end 39, the first end 38 is fixedly connected with the rotating shaft 35, and the second end 39 is provided with a hook claw facing the buffer plate. The rotation shaft 35 rotates the coupling boss 34. The pressing piece 37 comprises a third end 40 and a fourth end 41, the third end 40 is fixedly connected with the rotating shaft 35, the fourth end 41 is provided with an inclined portion 42, and the inclined portion 42 is used for enabling the pushing piece to slide in and push against to drive the rotating shaft to rotate in a direction that the contact portion is far away from the buffer plate.
The locking hook device can realize the locking hook to hook the goods shelf and the unhooking action before the moving and carrying tray moves from the picking position to the waiting position.
The thrust piece comprises a first thrust plate 43 and a first screw assembly. The first pushing plate 43 is provided with a through hole for a screw rod to pass through, threads are arranged in the through hole, and the screw rod pushes the first pushing plate 43 to move successively through the threads.
The buffer structure further comprises a first column 45 and a first fixing plate 46 opposite to the plate surface of the buffer plate, and the first pushing plate 43 is located between the buffer plate 30 and the first fixing plate 46. The first column 45 is movably arranged in the first through hole 47, the buffer plate and the first fixing plate are respectively and fixedly connected to two ends of the first column 45, the buffer plate and the first fixing plate are provided with a movable path for moving relative to the first pushing plate, namely the first pushing plate can move between the buffer plate and the first fixing plate, and the movement is driven by the screw rod.
The first screw assembly includes a first screw shaft 44, a driving end of the first screw shaft 44 is in driving connection with the first push plate 43, a power input end of the first screw shaft 44 is connected with a motor driving device 48, the motor driving device 48 is fixed on a screw seat 53, the screw seat 53 is located at the rear (or outside) of the first fixing plate 46, the first screw shaft 44 passes through the screw seat, and a power input end of the first screw shaft 44 is in driving connection with an output belt pulley of the motor through a belt.
The first pushing plate 43 is provided with a slot 49 matching the shape of the inclined portion, and the inclined portion 42 is located on the moving path of the bottom wall of the slot, that is, the inclined portion 42 moves back and forth along the slot 49, and the inclined portion interacts with the bottom edge of the slot to apply force. Because the inclined portion has a slope, the second end 39 can pivot upward or downward during the movement of the inclined portion in the slot, thereby achieving the hanging and releasing actions of the shelf.
The locking structure comprises two locking pieces which are used for carrying out balanced force application on the goods shelf.
The top edge of the buffer plate is provided with a limit groove 51, and a contact part 52 of the locking piece is positioned in the limit groove 51. The bottom of the limit groove can have a certain inclination rate, wherein the outer side of the bottom of the limit groove is high, and the inner side of the limit groove is low. A sensor for sensing that the goods shelf impacts the buffer plate is arranged beside the buffer plate.
The working principle of the anti-retreating buffer mechanism of this example is as follows: the motor transmission device 48 drives the first screw shaft 44 to rotate through the belt transmission device, so as to drive the first pushing plate 43 to move along the first screw shaft 44. The slot hole 49 on the first pushing plate 43 pushes against the inclined part 42 of the pressing piece 37, and is pushed by the bottom edge of the slot hole along the inclined part, so that the rotating shaft 35 rotates, the rotating shaft 35 rotates to drive the locking piece 50 to rotate, and the hooking and unhooking actions of the grapple 36 of the locking piece on the goods shelf are realized. The two first columns 45 are used for balancing the first pushing plate 43 and supporting the same. The buffer plate 30 is a stationary part in this example, which is stationary, and the first thrust plate is a movable part, which is driven by the first screw shaft.
In a second anti-backup embodiment, the first backup plate is a stationary component and the backup plate is a moving component. In this example, the first fixing plate 46 is driven by the first screw shaft to move along the screw shaft, and both ends of the first column 45 fix the first fixing plate 46 and the buffer plate 30, respectively, thereby causing the buffer plate to move back and forth. The buffer plate 30 can make the inclined part 42 of the pressing piece 37 move back and forth in the slotted hole 49 in the process of moving back and forth, so that the grapple of the locking piece 50 rotates around the rotating shaft 35, and further the grabbing and unhooking actions of the goods shelf are realized.
Referring to fig. 8 and 9, a second embodiment of the traction device is shown, and the traction device is a bar gear traction device, which comprises a transmission gear set 64, the transmission gear set 64 is located at a middle position of one side of a traversing rail 65, a bar gear 67 is arranged on a transfer disc 66, and the transmission gear set 64 is located above the bar gear 67 and is meshed with the bar gear. The transmission gears comprise two driving wheels 60 meshed with the two driving wheels, the driving wheels are connected with a motor 63, and a second driven wheel 62 which is a picking position transmission gear is positioned at the upstream of the two transmission gears; downstream is a first driven wheel 61, which is a waiting gear. When the transfer disc is completely positioned at the picking position and is in butt joint with the track, the transmission gear of the picking position is meshed with the bar gear, and the transmission gear of the waiting position is not contacted with the bar gear; when the transfer disc is completely positioned at the waiting position and is in butt joint with the track, the waiting position transmission gear is meshed with the bar gear, and the picking position transmission gear is not contacted with the bar gear. This design ensures that the transfer trays can be reciprocated in the picking and waiting positions.
The buffer mechanism in this example comprises a buffer plate 68 on which a rubber wheel 69 is provided. The dampening plate is fixed by two support members 70 to a front seat 71 located behind the dampening plate. The front seat 71 is threaded on two axle posts 72, and the axle posts 72 are symmetrically arranged on two sides of the front seat. The fixed end of the axle is fixed on a rear seat 73 located behind the front seat, the rear seat 73 is mounted on a side seat 74, and an inductor is arranged beside the rear seat for sensing the position of the front seat. A spring can be arranged on the axle post between the front seat and the rear seat for damping the buffer plate. In other embodiments, a shock absorbing cylinder may be provided between the rear seat and the front seat, the front seat being mounted on the cylinder shaft. In a third embodiment, an arch spring may be disposed between the front seat and the rear seat, two ends of the spring are fixed on the front seat or the rear seat, and the arch top faces the other seat body, and when the buffer plate is pressed by the shelf, the spring deforms, thereby playing a role in shock absorption.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (15)
1. A traversing structure, characterized by comprising: a power device for traversing the track device, the transfer tray and the transfer tray; the transfer plate is positioned on the transverse moving rails and can move back and forth along the transverse moving rails; the power device comprises a traction device for driving the transfer plate to move back and forth on the transverse moving track; the transfer plate is fixed on the traction device; two shelf rails which can be in butt joint with the main rails of the shelf are arranged on the transfer tray; the goods shelf rail is a rail for running a goods shelf; the main rail comprises a first pair of rails and a second pair of rails, and when the transfer tray moves on the transverse moving rails, the shelf rail on the transfer tray can transversely move from the first pair of rails to the second pair of rails;
one side of the transfer plate fixing traction device is provided with an anti-withdrawal buffer mechanism, and the anti-withdrawal buffer mechanism is arranged at the goods shelf entering end of the transverse moving track;
the anti-retreating buffer mechanism comprises: a buffer structure and a locking structure; wherein the buffer structure comprises a buffer plate, and the buffer plate is provided with a first plate surface for contacting and buffering with a goods shelf; the locking structure comprises a locking piece used for preventing the goods shelf from moving away from the buffer plate so as to enable the buffer plate to be in a locking state, and the locking piece is positioned on a buffer path of the first plate surface;
the transverse moving structure further comprises an unlocking structure, and the unlocking structure comprises a pushing piece; the buffer plate further comprises a second plate surface positioned at the opposite side of the first plate surface, and a protruding part is arranged on the second plate surface; the locking piece further comprises a grapple, a rotating shaft and a pressing piece, wherein the grapple is provided with a contact part which is arranged on the top edge of the buffer plate in a leaning way, the contact part comprises a first end and a second end, the first end is fixedly connected with the rotating shaft, and the second end is provided with a claw part which faces the buffer plate; the rotating shaft is rotationally connected with the protruding part; the pressing piece comprises a third end and a fourth end, the third end is fixedly connected with the rotating shaft, an inclined part is arranged on the fourth end, and the inclined part is used for enabling the pushing piece to slide in and push so as to drive the rotating shaft to rotate in the direction that the contact part is far away from the buffer plate;
the transverse moving structure further comprises a first screw rod assembly;
the pushing piece comprises a first pushing plate, and a first through hole is formed in the first pushing plate;
the buffer structure further comprises a first column body and a first fixing plate which is arranged opposite to the plate surface of the buffer plate, and the first pushing plate is positioned between the buffer plate and the first fixing plate; the first column body is movably arranged in the first through hole, the buffer plate and the first fixing plate are respectively and fixedly connected to two ends of the first column body, and the buffer plate and the first fixing plate are respectively provided with a movable path which moves relative to the first pushing plate;
the first screw rod assembly comprises a first screw rod shaft, the transmission end of the first screw rod shaft is in transmission connection with the first pushing plate, and the power input end of the first screw rod shaft is connected with the motor transmission device;
the first pushing plate is provided with a slotted hole matched with the inclined part in shape, and the inclined part is positioned on a movable path of the bottom wall of the slotted hole.
2. The traversing structure according to claim 1, wherein: the traversing structure comprises a sensing element for sensing the position of the transfer tray.
3. The traversing structure according to claim 2, wherein: the sensing element comprises a moving element and a fixed element; the moving element is arranged on the transfer plate; the transverse moving rail device comprises a transverse moving rail seat, the transverse moving rail is arranged on the transverse moving rail seat, and the fixing element is arranged on the transverse moving rail seat.
4. The traversing structure according to claim 1, wherein: the transverse moving track is a double track.
5. The traversing structure according to claim 1, wherein: the traction device is a belt traction device and comprises a belt, a driving wheel and a driven wheel; the transfer plate is fixed on the belt; the power device comprises a motor, the motor is connected with a driving wheel, and belt transmission is arranged between the driving wheel and a driven wheel.
6. The traversing structure according to claim 1, wherein: the traction device is a bar gear traction device and comprises a transmission gear, the transmission gear is positioned at the middle position of one side of the transverse moving track, the bar gear is arranged on the transfer disc, and the transmission gear is positioned above the bar gear and meshed with the bar gear.
7. The traversing structure according to claim 1, wherein: the goods shelf rail is a groove structure rail or a protrusion rail.
8. The traversing structure according to claim 5, wherein: the traction device also comprises a guide wheel, the guide wheel is arranged beside the driving wheel and the driven wheel, and the belt is wound around the lower part of the guide wheel and then sleeved on the driving wheel or the driven wheel.
9. The traversing structure according to claim 1, wherein: a sliding block is fixed below the transfer plate and is arranged on the transverse moving track.
10. The traversing structure according to claim 1, wherein: the length of the transverse moving track is twice that of the transfer plate.
11. A shelving system comprising a track, further comprising a traversing structure according to any one of claims 1 to 10; the transverse moving structure is arranged at the end parts of the two pairs of parallel rails, and the two goods shelf rails on the transfer tray position can be in butt joint with each pair of parallel rails in the two pairs of parallel rails.
12. The shelving system of claim 11, wherein: the locking structure comprises two locking pieces, and the two locking pieces are rod-shaped grapples.
13. The shelving system of claim 11, wherein: the top edge of the buffer plate is further provided with a limiting groove, and the contact part is positioned in the limiting groove.
14. The shelving system of claim 11, wherein: a sensor for sensing that the goods shelf impacts the buffer plate is arranged beside the buffer plate.
15. The shelving system of claim 11, wherein: the two ends of the two pairs of parallel rails are respectively provided with the transverse moving structure, and the transverse moving structure is used for realizing the crossing of the goods shelf from one pair of rails to the other pair of rails; two pairs of parallel tracks and the transverse moving structures at the two ends of the parallel tracks form a circulation route.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710796992.7A CN107416408B (en) | 2017-09-06 | 2017-09-06 | Sideslip structure and goods shelves system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710796992.7A CN107416408B (en) | 2017-09-06 | 2017-09-06 | Sideslip structure and goods shelves system |
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| CN107416408A CN107416408A (en) | 2017-12-01 |
| CN107416408B true CN107416408B (en) | 2023-10-24 |
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Also Published As
| Publication number | Publication date |
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| CN107416408A (en) | 2017-12-01 |
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