IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0060419
(2013-10-22)
|
등록번호 |
US-9132975
(2015-09-15)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
38 |
초록
▼
An automatic case loader for loading product in a trailer is disclosed. A mobile base structure provides a support framework for a drive subassembly, conveyance subassembly, an industrial robot, a distance measurement sensor, and a control subassembly. Under the operation of the control subassembly,
An automatic case loader for loading product in a trailer is disclosed. A mobile base structure provides a support framework for a drive subassembly, conveyance subassembly, an industrial robot, a distance measurement sensor, and a control subassembly. Under the operation of the control subassembly, product advances through a powered transportation path to an industrial robot which places the product within the trailer. The control subassembly coordinates the selective articulated movement of the industrial robot and the activation of the drive subassembly based upon the distance measurement sensor detecting objects within a detection space, dimensions of the trailer provided to the control subassembly, and dimensions of the product provided to the control subassembly.
대표청구항
▼
1. A method for stacking product within a trailer parked at a loading bay, the method comprising: positioning an automatic case loader including a mobile base structure having first and second ends under the power of a drive subassembly proximate to the loading bay;connecting a conveyance subassembl
1. A method for stacking product within a trailer parked at a loading bay, the method comprising: positioning an automatic case loader including a mobile base structure having first and second ends under the power of a drive subassembly proximate to the loading bay;connecting a conveyance subassembly disposed on the mobile base to a telescoping conveyor unit having a supply of the product associated therewith;driving the automatic case loader into the trailer;detecting the location of the automatic case loader within the trailer with a distance measurement sensor disposed on the mobile base structure;stopping, in response to distance measurement data from the distance measurement sensor, the automatic case loader proximate to a front wall of the trailer;presenting a stream of the product to an industrial robot disposed on the mobile base structure, the industrial robot providing selective articulated movement through a reachable space such that the industrial robot is operable to place the product within the trailer;utilizing a stacking routine optimized for size of an end effector of the industrial robot, dimensions of the trailer, and dimensions of the product;sequentially loading the product within the trailer with the industrial robot according to the stacking routine designed to optimized the use of available space within the trailer;interrupting the loading of the product in response to detection by the distance measurement sensor presence of the product within the reachable space;reversing and repositioning the automatic case loader to refresh the reachable space; andresuming the sequential loading of the product. 2. The method as recited in claim 1, wherein sequentially loading the product within the trailer further comprises utilizing a stacking routine which places product in sequentially vertically stacked horizontal rows. 3. The method as recited in claim 1, wherein sequentially loading the product within the trailer further comprises utilizing, by the industrial robot, measurements of the distance measurement sensor to place product. 4. A method for stacking product within a trailer parked at a loading bay, the method comprising: positioning an automatic case loader including a mobile base structure having first and second ends under the power of a drive subassembly proximate to the loading bay;connecting a conveyance subassembly disposed on the mobile base to a telescoping conveyor unit having a supply of the product associated therewith;driving the automatic case loader into the trailer;measuring position and angle of the automatic case loader with respect to sidewalls and interior width of the trailer with a distance measurement sensor disposed on the mobile base structure;measuring position of the automatic case loader with respect to a near wall within the trailer with the distance measurement sensor, the near wall being the closer to the automatic case loader of a front wall of the trailer and edge formed by the product positioned within the trailer;measuring position of the automatic case loader with respect to a floor of the trailer with the distance measurement sensor;stopping, in response to distance measurement data from the distance measurement sensor, the automatic case loader proximate to the front wall of the trailer;presenting a stream of the product to an industrial robot disposed on the mobile base structure, the industrial robot providing selective articulated movement through a reachable space such that the industrial robot is operable to place the product within the trailer;sequentially loading the product within the trailer with the industrial robot according to a stacking routine designed to optimized the use of available space within the trailer;interrupting the loading of the product in response to detection by the distance measurement sensor presence of the product within the reachable space;reversing and repositioning the automatic case loader to refresh the reachable space; andresuming the sequential loading of the product. 5. The method as recited in claim 4, wherein sequentially loading the product within the trailer further comprises utilizing a stacking routine which places product in sequentially vertically stacked horizontal rows. 6. The method as recited in claim 4, wherein sequentially loading the product within the trailer further comprises utilizing a stacking routine optimized for size of an end effector of the industrial robot, dimensions of the trailer, and dimensions of the product. 7. The method as recited in claim 4, wherein sequentially loading the product within the trailer further comprises utilizing, by the industrial robot, measurements of the distance measurement sensor to place product. 8. A method for stacking product within a trailer parked at a loading bay, the method comprising: providing an automatic case loader including a mobile base structure having first and second ends and first and second sides, the automatic case loader including a drive subassembly proximate to the loading bay, the drive subassembly coupled to the mobile base, the drive subassembly including a plurality of wheels for steering and driving the mobile base;steering and driving the automatic case loader under the power of the drive subassembly, the drive subassembly including a universal wheel assembly between the first and second sides, the drive subassembly configured to provide the steering and driving of forward, reverse, and transverse directions, the drive subassembly including a first retractable wheel assembly configured to provide forward and reverse steering and driving and a second retractable wheel assembly configured to provide transverse steering and driving, the second retractable wheel assembly being orthogonally oriented to the first retractable wheel assembly;operating the universal wheel assembly, the first retractable wheel assembly, and the second retractable wheel assembly such that in a forward/drive and steering operation, the universal wheel assembly and the first retractable wheel assembly are actuated while the second retractable wheel assembly is withdrawn;operating the universal wheel assembly, the first retractable wheel assembly, and the second retractable wheel assembly such that in a traverse drive and steering operation, the universal wheel assembly and the second retractable wheel assembly are actuated while the first retractable wheel assembly is withdrawn;connecting a conveyance subassembly disposed on the mobile base to a telescoping conveyor unit having a supply of the product associated therewith, the conveyance subassembly including a powered transportation path configured to transport the product from the first end to the second end;driving the automatic case loader into the trailer;detecting the location of the automatic case loader within the trailer with a distance measurement sensor disposed on the mobile base structure, the distance measurement sensor configured to determine presence of objects within a detection space, wherein the detection space and the reachable space at least partially overlap;stopping, in response to distance measurement data from the distance measurement sensor, the automatic case loader proximate to a front wall of the trailer;presenting a stream of the product to an industrial robot disposed on the mobile base structure, the industrial robot providing selective articulated movement through a reachable space such that the industrial robot is operable to place the product within the trailer;sequentially loading the product within the trailer with the industrial robot according to a stacking routine designed to optimized the use of available space within the trailer;interrupting the loading of product in response to detection by the distance measurement sensor presence of product within the reachable space;reversing and repositioning the automatic case loader to refresh the reachable space; andresuming the sequential loading of the product. 9. The method as recited in claim 8, wherein sequentially loading the product within the trailer further comprises utilizing a stacking routine which places product in sequentially vertically stacked horizontal rows. 10. The method as recited in claim 8, wherein sequentially loading the product within the trailer further comprises utilizing a stacking routine optimized for size of an end effector of the industrial robot, dimensions of the trailer, and dimensions of the product. 11. The method as recited in claim 8, wherein sequentially loading the product within the trailer further comprises utilizing, by the industrial robot, the measurements of the distance measurement sensor to place product. 12. The method as recited in claim 8, further comprising facilitating communication, via a control assembly mounted to the mobile base, with the drive subassembly, the industrial robot, and the distance measurement sensor, the control subassembly coordinating the selective articulated movement of the industrial robot and the activation of the drive subassembly based upon the distance measurement sensor detecting objects within the detection space, dimensions of the trailer provided to the control subassembly, and dimensions of the product provided to the control subassembly. 13. The method as recited in claim 12, further comprising programming dimensions of the trailer into the control subassembly. 14. The method as recited in claim 12, further comprising programming dimensions of product into the control subassembly. 15. The method as recited in claim 8, further comprising measuring with light the dimensions of the product, via a curtain, and forwarding the measured dimensions to the control subassembly. 16. The method as recited in claim 8, further comprising achieving selective articulated movement of the industrial robot by way of six degrees of freedom. 17. The method as recited in claim 8, further comprising manipulating product with opposing grapplers mounted to the end effector. 18. The method as recited in claim 8, further comprising determining distance measurements with a laser range finding apparatus operating on a time-of-flight measurement principle. 19. The method as recited in claim 8, further comprising furnishing powered roller conveyance at the conveyance subassembly.
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