Quick-change end effector

Patent metadata

Field	Value
Publication number	US-11035511-B2
Application number	US-201816000137-A
Country	US
Kind code	B2
Filing date	Jun 5, 2018
Priority date	Jun 5, 2018
Publication date	Jun 15, 2021
Grant date	Jun 15, 2021

Abstract

An end effector for interfacing with a nozzle is disclosed. The end effector comprises a first end, which includes a receptacle. The end effector comprises one or more retention features positioned along a perimeter of the receptacle, where each of the one or more retention features is movable between a first position and a second position. Each of the one or more retention features is configured to lock the nozzle by securing onto a corresponding one of the one or more nozzle retention features in the first position, and to release the nozzle in the second position. The end effector may further comprise one or more actuators and a first channel, which includes a first inlet and a first outlet. A method of using an end effector to interface with a nozzle is also disclosed.

First claim

What is claimed is:

1. A system comprising:
a nozzle, the nozzle including:
an effector end;
a port end configured to be inserted into a port;
one or more nozzle retention features;
a first nozzle inlet;
a plurality of regions configured for receiving a sealant, wherein at least one of the plurality of regions includes a joining feature on a surface of the nozzle, and the effector end and the port end each include at least one of the plurality of regions configured for receiving the sealant; and
an end effector, the end effector including:
a first end comprising a receptacle, the receptacle being connected to the effector end of the nozzle;
one or more retention features positioned along a perimeter of the receptacle, each of the one or more retention features being movable between a first position and a second position, each of the one or more retention features being configured to lock the nozzle by securing onto a corresponding one of the one or more nozzle retention features in the first position, and to release the nozzle in the second position;
one or more actuators configured to actuate the one or more retention features between the first position and the second position; and
a first channel comprising a first inlet and a first outlet, the first outlet being positioned inside the receptacle and being configured to be coupled to the first nozzle inlet in the first position.

2. The system of claim 1 , wherein the one or more nozzle retention features comprises a groove, and wherein the one or more retention features comprises one or more cleats.

3. The system of claim 1 , wherein the one or more nozzle retention features comprise one or more recesses, and wherein the one or more retention features comprise one or more protrusions.

4. The system of claim 1 , wherein the one or more actuators include one or more pneumatic actuators.

5. The system of claim 4 , wherein the one or more pneumatic actuators include one or more pneumatic cylinders.

6. The system of claim 1 , wherein the one or more actuators include one or more hydraulic actuators.

7. The system of claim 1 , wherein the one or more actuators include one or more electrical actuators.

8. The system of claim 1 , wherein the end effector further comprises an exterior surface, and wherein the first inlet is positioned on the exterior surface.

9. The system of claim 1 , wherein the first channel is configured to inject a first fluid through the first outlet into the first nozzle inlet.

10. The system of claim 1 , wherein the receptacle includes a side wall, and wherein the first outlet is disposed on the side wall to enable a first fluid to be injected into the first nozzle inlet with a positive pressure perpendicular to an axial direction of the nozzle.

11. The system of claim 1 , wherein the first outlet is disposed to enable an adhesive to be injected into the first nozzle inlet radially.

12. The system of claim 1 , wherein the end effector further comprises a second end, wherein the second end is configured to be coupled to a robot.

13. The system of claim 1 , wherein the end effector further comprises a second channel, wherein the nozzle further comprises a second nozzle inlet, wherein the second channel comprises a second inlet and a second outlet, and wherein the second outlet is configured to be coupled to the second nozzle inlet in the first position.

14. The system of claim 13 , wherein the second channel is configured to facilitate removing adhesive first fluid from the nozzle.

15. The system of claim 13 , wherein the second inlet is configured to be coupled to a negative pressure source to apply vacuum to the second nozzle inlet.

16. The system of claim 13 , wherein the end effector further comprises an exterior surface, and wherein the second inlet is positioned on the exterior surface.

17. The system of claim 13 , wherein the first channel and the second channel are isolated from each other.

18. The system of claim 13 , wherein the end effector further comprises a third channel, and wherein the nozzle further comprises a third nozzle inlet, wherein the third channel comprises a third inlet and a third outlet.

19. The system of claim 18 , wherein the third outlet is configured to be coupled to the third nozzle inlet in the first position.

20. The system of claim 18 , wherein the third channel is configured to dispense a sealant through the third outlet to the third nozzle inlet.

21. The system of claim 18 , wherein the end effector further comprises an exterior surface, and wherein the third inlet is positioned on the exterior surface.

22. The system of claim 18 , wherein the receptacle includes a side wall, and wherein the third outlet is disposed on the side wall to enable another fluid to be injected into the third nozzle inlet with a positive pressure perpendicular to an axial direction of the nozzle.

23. The system of claim 18 , wherein the third outlet is disposed to enable a fluid to be injected into the third nozzle inlet radially.

24. The system of claim 18 , wherein a diameter of the third channel is larger than a diameter of the first channel.

25. The system of claim 18 , wherein the first channel, the second channel, and the third channel are isolated from each other.

26. The system of claim 1 , wherein the end effector is additively manufactured.

27. A method of using an end effector to interface with a nozzle, the method comprising:
receiving the nozzle in a receptacle of the end effector;
actuating one or more retention features of the end effector to a first position to securing onto a corresponding one of one or more nozzle retention features to lock the nozzle;
applying vacuum to a second inlet of the end effector, wherein a second outlet of the end effector is coupled to a second nozzle inlet; and
injecting a first fluid to a first inlet of the end effector, wherein a first outlet of the end effector is coupled to a first nozzle inlet.

28. The method of claim 27 , wherein the first fluid is an adhesive and the injecting comprises injecting the adhesive into the first nozzle inlet with a positive pressure perpendicular to an axial direction of the nozzle.

29. The method of claim 27 , wherein the first fluid is an adhesive and the injecting comprises injecting the adhesive into the first nozzle inlet radially.

30. The method of claim 27 , further comprising removing an adhesive from the second outlet.

31. The method of claim 27 , further comprising dispensing another fluid to a third inlet of the end effector, wherein a third outlet of the end effector is coupled to a third nozzle inlet.

32. The method of claim 31 , wherein dispensing another fluid comprises dispensing a sealant.

33. The method of claim 31 , wherein dispensing another fluid comprises dispensing the another fluid into the third inlet of nozzle with a positive pressure perpendicular to an axial direction of the nozzle.

34. The method of claim 31 , wherein dispensing another fluid comprises dispensing the another fluid into the third inlet of nozzle radially.

35. The method of claim 27 , further comprising coupling the end effector to a robot.

36. The method of claim 27 , wherein the method is performed by a robot.

Assignees

• Divergent Tech Inc

Inventors

• Goodstein Kenneth James

Classifications

• B33Y40/00 Primary

  Auxiliary operations or equipment, e.g. for material handling · CPC title

• B22F10/80

  Data acquisition or data processing · CPC title

• B22F10/25

  Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS] · CPC title

• B22F10/18

  by mixing binder with metal in filament form, e.g. fused filament fabrication [FFF] · CPC title

• B22F12/53

  Nozzles · CPC title