CN109607142B - Conveying unit and parcel conveying device - Google Patents
Conveying unit and parcel conveying device Download PDFInfo
- Publication number
- CN109607142B CN109607142B CN201811581732.9A CN201811581732A CN109607142B CN 109607142 B CN109607142 B CN 109607142B CN 201811581732 A CN201811581732 A CN 201811581732A CN 109607142 B CN109607142 B CN 109607142B
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- package
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- driven roller
- shaft
- speed
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- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000008859 change Effects 0.000 claims abstract description 15
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/26—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles
- B65G47/30—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a series of conveyors
- B65G47/31—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a series of conveyors by varying the relative speeds of the conveyors forming the series
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
The application discloses transfer unit and parcel conveyer, this transfer unit include at least one initiative cylinder and a driven cylinder to and connect the drive mechanism of owner, driven cylinder, still include: and a speed change mechanism for adjusting the rotation speed between the transmission mechanism and the driving roller or the driven roller. According to the scheme, when the package is transited from the low-speed area to the high-speed area, a part of the package is in the low-speed area, a part of the package is in the high-speed area, the friction force on the bottom surface of the package drives the driven roller in the low-speed area, the driven roller in the low-speed area drives the conveying belt, and the limiting piece on the conveying belt pushes the driving roller in the low-speed area to accelerate, so that the belt speed of the low-speed area and the belt speed of the high-speed area are consistent in the moment, the package is transited from the low-speed area to the high-speed area in the moment, the friction force on the bottom surface of the package is the same, and the package cannot be pulled.
Description
Technical Field
The invention relates to the technical field of logistics conveying equipment, in particular to a conveying unit and a parcel conveying device.
Background
In the field of logistics, a large number of logistics packages are usually required to be sorted, for example, by means of crossed belts, balance wheels and the like, and then are distributed to specific grids through sensor verification. In order to enable the sensor to acquire package information, the packages need to be conveyed at intervals, i.e. a certain distance must be ensured between the packages. The earliest logistics package gauge transmission mainly relies on manual pulling, namely a certain interval is reserved between packages, and the interval is enough for a sensor to collect relevant data.
But traditional mode inefficiency of acting distance, and when the interval in-process is acting distance, when the parcel moved low-speed conveyer belt and high-speed conveyer belt cross position, two conveyer belts of different speed were inconsistent to the frictional force size of parcel, and then can lead to the object parcel to receive different effort for the phenomenon of pulling deformation appears in the parcel. Meanwhile, the friction of speed change can heat the surface of the package, raise the temperature and influence the safety production.
Disclosure of Invention
The invention provides a conveying unit and a package conveying device, which can solve the problem of pulling packages at variable speed nodes in different speed areas in the prior art.
The invention provides a conveying unit, which comprises at least one driving roller, one driven roller, a transmission mechanism for connecting the driving roller and the driven roller, and further comprises: and a speed change mechanism for adjusting the rotation speed between the transmission mechanism and the driving roller or the driven roller.
Preferably, the speed change mechanism comprises a supporting rod rotatably connected to the transmission mechanism and tooth grooves formed in the rotating shafts of the driving roller and the driven roller, the transmission mechanism is connected to the rotating shafts, and the supporting rod can move in one direction along the rotating direction of the driving roller and the driven roller.
Preferably, the transmission mechanism comprises a conveyor belt connected with a driving roller shaft and a driven roller shaft; the supporting rod is hinged to the inner side of the conveyor belt, and one end of the supporting rod can be inserted into tooth grooves in the driving roller and the driven roller.
Preferably, the supporting rod comprises a retaining rod arranged on the inner side of the conveyor belt and a limiting piece arranged on one side of the retaining rod, and the limiting piece can move along the rotation single direction of the driving roller and the driven roller on the other side of the retaining rod.
Preferably, the transmission mechanism comprises a synchronous belt connected with a driving roller shaft and a driven roller shaft; the speed change mechanism comprises a pawl connected to the synchronous belt in a unidirectional rotation way and a ratchet wheel arranged on the rotating shaft of the driving roller and the driven roller, and the pawl can move in a unidirectional direction along the rotation direction of the ratchet wheel.
Preferably, the driving roller and the driven roller in the conveying unit are arranged in parallel at equal intervals.
A parcel delivery apparatus comprising a plurality of delivery units as described in embodiments of the application disposed along a delivery direction.
Preferably, the rotation speed of the driving roller in a previous one of the plurality of conveying units in the conveying direction is smaller than the rotation speed of the driving roller in a subsequent one of the plurality of conveying units.
Preferably, a conveying device is arranged at the conveying end of the conveying unit, the conveying direction of the conveying device is perpendicular to the transmission direction in the conveying unit, and a parcel counter is arranged between the conveying end of the conveying unit and the conveying device.
Preferably, the conveying device comprises a first rotating shaft, a belt, a second rotating shaft and a supporting frame, wherein the first rotating shaft is arranged on the first end portion of the supporting frame in a self-rotating mode, the second rotating shaft is arranged on the second end portion of the supporting frame in a self-rotating mode, the first rotating shaft and the second rotating shaft are parallel side by side, and the belt is sleeved on the first rotating shaft and the second rotating shaft.
The invention has the beneficial effects that:
(1) The transmission unit comprises a speed change mechanism, the speed change mechanism can adjust the rotation speed between the transmission mechanism and the driving roller or the driven roller, when the package is transited from a low speed area to a high speed area, a part of the package is in the low speed area, a part of the package is in the high speed area, the friction force on the bottom surface of the package drives the driven roller in the low speed area, the driven roller in the low speed area drives the transmission belt, and a limiting piece on the transmission belt drives the driving roller in the low speed area to accelerate, so that the belt speeds of the low speed area and the high speed area are consistent at the moment, and therefore the package is not pulled at the moment when the package transits from the low speed area to the high speed area, and the friction force on the bottom surface of the package is the same.
(2) The package conveying device comprises a plurality of conveying units, wherein the rotation speed of a driving roller in a previous conveying unit in the plurality of conveying units is smaller than that of a driving roller in a next conveying unit, when packages are transited from a low-speed area to a high-speed area, the packages which are originally compactly piled on the low-speed area are quickly pulled apart by the conveying unit in the high-speed area, so that a certain interval is formed among the packages piece by piece.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
fig. 1 is a schematic diagram of a conveying unit and a package conveying device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a connection between a driving roller and a driven roller according to an embodiment of the present invention;
FIG. 3 is a schematic view of a driven roller according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating a motion state of a driven roller according to another embodiment of the present invention.
Reference numerals illustrate:
1. a driving roller; 11. a first drum shaft; 2. a driven roller; 21. a second drum shaft; 3. a conveyor belt; 31. a limiting piece; 32. a stop rod; 4. a conveying device; 5. a counter; 6. a baffle; 7. a gear; 71. tooth slots.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
It should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
Embodiments and features of embodiments in this application may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 3, an embodiment of the present invention provides a transfer unit including at least one driving roller 1 and one driven roller 2, and a transmission mechanism connecting the driving and driven rollers, further including: a speed change mechanism for adjusting the rotation speed between the transmission mechanism and the driving roller 1 or the driven roller 2. Specifically, the speed change mechanism comprises a supporting rod rotatably connected to a transmission mechanism and tooth grooves formed in rotating shafts of the driving roller and the driven roller, the transmission mechanism is connected to the rotating shafts, and the supporting rod can move in one direction along the rotating direction of the driving roller and the driven roller.
In the present application, the driving roller 1 is provided with a first roller shaft 11 coaxial therewith at both ends, and the driven roller 2 is provided with a second roller shaft 21 coaxial therewith at both ends; gears are respectively arranged on the first drum shaft 11 and the second drum shaft 21, one side of the conveyor belt 3 is matched with the gear 7 on the first drum shaft 11, and the other side of the conveyor belt 3 is matched with the gear on the second drum shaft 21. The supporting rod is hinged on the inner side of the conveyor belt 3, and one end of the supporting rod can be inserted into a tooth slot 71 in the driving roller and the driven roller.
The plurality of conveying units are combined to form a conveying belt, and the multi-roller mechanism can be used for conveying packages. The driving roller and the driven roller in each conveying unit are connected through a conveying belt, the driving roller in each conveying unit is driven to rotate through a motor, different motor rotating speeds can enable each conveying unit to form different speed areas, a certain gap can be automatically reserved between packages through controlling the motor rotating speeds, and automatic pulling distance of the packages is achieved.
By adopting the scheme, when the package is transited from the low-speed area to the high-speed area, a part of the package is in the low-speed area, a part of the package is in the high-speed area, and at the moment, the friction force on the bottom surface of the package drives the driven roller of the low-speed area, the driven roller on the low-speed area drives the conveyor belt, and the supporting rods on the conveyor belt push the driving roller on the low-speed area to accelerate, so that the belt speed of the low-speed area is consistent with that of the high-speed area at the moment, and therefore, the package is in the moment transited from the low-speed area to the high-speed area, the friction force on the bottom surface of the package is the same, and the package cannot be pulled.
The supporting rod in the application comprises a retaining rod 32 arranged on the inner side of the conveyor belt 3 and a limiting piece 31 arranged on one side of the retaining rod 32, wherein the limiting piece 31 can move along the rotation single direction of the driving roller and the driven roller on the other side of the retaining rod 32. Referring specifically to fig. 2-4, a stop lever 32 is provided on the inner side of the conveyor belt 3, the stop lever 32 is located on the left side of the stopper 31, and the stopper 31 is movable back and forth along the gear rotation direction on the right side of the stop lever 32. The stop rod is arranged on the left side of the limiting piece and is close to the limiting piece, so that the limiting piece can only freely move in the left side direction of the stop rod. The conveyor belt is provided with at least one limiting piece, one side of the conveyor belt is matched with a tooth slot on a gear on the driving roller through the limiting piece, and the other side of the conveyor belt is also matched with a tooth slot of a gear on the driven roller through the limiting piece. After the motor drives the driving roller to rotate, the driving roller can drive the driven roller to rotate through the conveying belt, so that each conveying unit can move.
It should be noted that, referring to fig. 3, when the speed of the conveyor belt is greater than the rotational speed of the roller shaft, the gear speed on the roller shaft is slow, so that the limiting member is blocked by the tooth slot on the gear, and meanwhile, because the speed of the conveyor belt is greater than the rotational speed of the roller shaft, the limiting member on the conveyor belt can generate an inference on the gear to push the roller shaft to accelerate.
Referring to fig. 4, when the speed of the drum shaft is greater than the speed of the conveyor belt, the gear on the drum shaft will generate a pushing force on the limiting member to push the limiting member to move to the free side.
It should be noted that the above-mentioned transmission mechanism is not limited to a conveyor belt, and for example, the transmission mechanism includes a synchronous belt connecting a driving roller shaft and a driven roller shaft; the speed change mechanism comprises a pawl which is connected to the synchronous belt in a unidirectional rotation way and a ratchet wheel which is arranged on the rotating shaft of the driving roller and the driven roller, the pawl can move in a unidirectional direction along the rotating direction of the ratchet wheel, and the aim of the application can be achieved through the cooperation of the ratchet wheel and the pawl.
Further, the driving roller 1 and the driven roller 2 in each transfer unit are disposed in parallel at equal intervals. Equidistant parallel arrangement is favorable to the steady transition of parcel.
Further, the rotation speed of the driving roller in the previous conveying unit is smaller than that of the driving roller in the next conveying unit. The setting of different cylinder rotational speeds to can conveniently realize the pull distance between the parcel.
Further, the conveying end of the conveying unit is provided with a conveying device 4, and the conveying direction of the conveying device 4 is perpendicular to the transmission direction in the conveying unit. The conveyor is arranged so that the package can be transported to its final destination.
It should be noted that the conveying direction of the conveying device is not limited to be perpendicular to the transmission direction in the conveying unit, and may be specifically designed according to actual production requirements, for example, the conveying direction of the conveying device may be parallel to the moving direction of the package in the conveying unit or may present a certain included angle.
Further, a parcel counter 5 is provided between the conveying end of the conveying unit and the conveying device 4. The counter can be set to count the number of packages conveniently.
Further, a shutter 6 for preventing packages from falling down is provided on the conveying device 4 in the conveying direction thereof. The baffle is not provided on the side of the conveying device adjacent to the conveying unit, and the baffle is provided only on the opposite side of the side adjacent to the conveying device.
Further, the conveying device 4 includes a first rotating shaft, a belt, a second rotating shaft and a supporting frame (not shown in the figure), the first rotating shaft is rotatably arranged on a first end of the supporting frame, the second rotating shaft is rotatably arranged on a second end of the supporting frame, the first rotating shaft and the second rotating shaft are parallel side by side, and the belt is sleeved on the first rotating shaft and the second rotating shaft.
In summary, the conveying unit provided by the embodiment of the invention includes a speed change mechanism, the speed change mechanism can adjust the rotation speed between the transmission mechanism and the driving roller or the driven roller, when the package transits from the low speed area to the high speed area, a part of the package is in the low speed area, a part of the package is in the high speed area, at the moment, the friction force of the bottom surface of the package drives the driven roller in the low speed area, the driven roller in the low speed area drives the conveying belt, and the limiting piece on the conveying belt drives the driving roller in the low speed area to accelerate, so that the belt speeds of the low speed area and the high speed area are consistent at the moment, the friction force of the bottom surface of the package is the same at the moment when the package transits from the low speed area to the high speed area, and the package cannot be pulled. The embodiment of the invention also provides a package conveying device, which comprises a plurality of conveying units, wherein the rotation speed of the driving roller in the previous conveying unit in the plurality of conveying units is smaller than that of the driving roller in the next conveying unit, and when packages are transited from a low-speed area to a high-speed area, the packages originally compactly piled on the low-speed area are quickly pulled away from the space between adjacent packages by the high-speed area conveying unit, so that a certain space is formed among the packages piece by piece.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the invention referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the invention. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.
Claims (8)
1. A transfer unit comprising at least one driving roller and one driven roller, and a transmission mechanism connecting the driving and driven rollers, characterized by further comprising:
a speed change mechanism for adjusting the rotation speed between the transmission mechanism and the driving roller or the driven roller;
the speed change mechanism comprises a supporting rod which is rotationally connected to the transmission mechanism and tooth grooves which are formed in the rotating shafts of the driving roller and the driven roller, the transmission mechanism is connected to the rotating shafts, and the supporting rod can move in one direction along the rotating direction of the driving roller and the driven roller;
the supporting rod comprises a retaining rod arranged on the inner side of the conveyor belt and a limiting piece arranged on one side of the retaining rod, and the limiting piece can move in one direction along the rotation of the driving roller and the driven roller on the other side of the retaining rod.
2. A transfer unit as claimed in claim 1, wherein the drive mechanism comprises a conveyor belt connecting the drive and driven roller shafts;
the supporting rod is hinged to the inner side of the conveyor belt, and one end of the supporting rod can be inserted into tooth grooves in the driving roller and the driven roller.
3. The transfer unit of claim 1, wherein the transmission mechanism comprises a timing belt connecting the drive and driven roller shafts;
the speed change mechanism comprises a pawl connected to the synchronous belt in a unidirectional rotation way and a ratchet wheel arranged on the rotating shaft of the driving roller and the driven roller, and the pawl can move in a unidirectional direction along the rotation direction of the ratchet wheel.
4. A transfer unit according to any one of claims 1-3, wherein the driving rollers and the driven rollers in the transfer unit are arranged in parallel at equal intervals.
5. A package transfer device comprising a plurality of transfer units according to any one of claims 1-4 arranged in a transfer direction.
6. The package delivery device according to claim 5, wherein a rotational speed of the active roller in a preceding one of the plurality of delivery units in the delivery direction is less than a rotational speed of the active roller in a subsequent delivery unit.
7. The package delivery device according to claim 5, wherein a delivery end of the delivery unit is provided with a delivery device, a delivery direction of the delivery device is perpendicular to a transmission direction in the delivery unit, and a package counter is provided between the delivery end of the delivery unit and the delivery device.
8. The package delivery device according to claim 7, wherein the delivery device comprises a first shaft, a belt, a second shaft, and a support frame, the first shaft being rotatably disposed on a first end of the support frame, the second shaft being rotatably disposed on a second end of the support frame, the first shaft and the second shaft being parallel side by side, the belt being sleeved on the first shaft and the second shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811581732.9A CN109607142B (en) | 2018-12-24 | 2018-12-24 | Conveying unit and parcel conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811581732.9A CN109607142B (en) | 2018-12-24 | 2018-12-24 | Conveying unit and parcel conveying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109607142A CN109607142A (en) | 2019-04-12 |
| CN109607142B true CN109607142B (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811581732.9A Active CN109607142B (en) | 2018-12-24 | 2018-12-24 | Conveying unit and parcel conveying device |
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| Country | Link |
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| CN (1) | CN109607142B (en) |
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| CN106429365A (en) * | 2016-11-01 | 2017-02-22 | 顺丰科技有限公司 | Automatic sorting equipment |
| CN209740099U (en) * | 2018-12-24 | 2019-12-06 | 顺丰科技有限公司 | conveying unit and parcel conveying device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070089969A1 (en) * | 2005-10-20 | 2007-04-26 | Lonnie Sifers | Wood conveying apparatus and system |
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2018
- 2018-12-24 CN CN201811581732.9A patent/CN109607142B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0761574A2 (en) * | 1995-09-08 | 1997-03-12 | Pierre Patin | Transfer device between two transport elements |
| DE19908169A1 (en) * | 1998-02-27 | 1999-09-09 | Mitsubishi Heavy Ind Ltd | Signature conveyor for folder unit of rotary web-fed printing machine |
| CN101700826A (en) * | 2009-11-03 | 2010-05-05 | 朱迎春 | Package conveying increasing gear and reducing gear |
| CN102774599A (en) * | 2011-05-12 | 2012-11-14 | 鸿富锦精密工业（深圳）有限公司 | Transmission device |
| CN204134917U (en) * | 2014-09-26 | 2015-02-04 | 天海欧康科技信息(厦门)有限公司 | A kind of high speed block-pushing side direction sorting equipment |
| CN105416978A (en) * | 2015-11-30 | 2016-03-23 | 四川德阳市年丰食品有限公司 | Structure for improving conveying stability of food box |
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Also Published As
| Publication number | Publication date |
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| CN109607142A (en) | 2019-04-12 |
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