Traitement en cours

Veuillez attendre...

Paramétrages

Paramétrages

Aller à Demande

1. WO2020159845 - ENSEMBLE SCIE À MOTEUR LINÉAIRE-ROTATIF

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

What is claimed is:

1 . An orbital saw assembly comprising:

a first saw assembly and a second saw assembly, each of the first and second saw assemblies being mounted to a frame arm of the orbital saw assembly, the frame arm being adapted and configured to alternatingly move through first and second cutting cycles, wherein in the first cutting cycle, the frame arm moves the first saw assembly towards an object to be cut and the second saw assembly away from the object to be cut, and wherein in the second cutting cycle, the frame arm moves the second saw assembly towards an object to be cut and the first saw assembly away from the object to be cut, each of the saw assemblies comprising a motor, the motor having a motor center axis and including a motor shaft having a shaft center axis coaxially aligned with the motor center axis, the motor shaft being operatively connected with and coaxially aligned with a saw blade holder, the saw blade holder being adapted and configured to receive a saw blade at a distal end of the saw blade holder, the motor shaft being adapted and configured to rotate about the motor shaft center axis when the motor is energized, the motor shaft being adapted and configured to move between a retracted position and an extended position relative to the motor along the shaft center axis, wherein when the motor shaft is in the retracted position, the motor shaft extends from the motor a first distance, and wherein the motor shaft is in the extended position, the motor shaft extends from the motor a second distance that is greater than the first distance.

2. The orbital saw assembly according to claim 1 , wherein the motor shaft is adapted and configured to move between the retracted and the extended positions at a speed corresponding to a speed of an object being advanced toward the saw assembly in a direction parallel to the shaft center axis for cutting by the orbital saw assembly.

3. The orbital saw assembly according to claim 1 , wherein each motor shaft is operatively connected to the saw blade tool holder with a coupling.

4. The orbital saw assembly according to claim 3, wherein the saw blade tool holder extends through a housing on the frame arm, the housing is adapted and configured for rotational and linear motion of the saw blade tool holder as the motor shaft moves between the extended and retracted positions.

5. The orbital saw assembly according to claim 4, wherein when the motor shaft is in the retracted position, the saw blade tool holder extends from the housing a first distance, and wherein the motor shaft is in the extended position, the saw blade tool holder extends from the frame arm a second distance that is greater than the first distance.

6. The orbital saw assembly according to claim 3, wherein the housing is located between the motor and a distal end of the saw blade holder.

7. The orbital saw assembly according to claim 1 , wherein the frame arm rotates about a center shaft having an axis parallel to and radially offset from the first and second motor center axes.

8. The orbital saw assembly according to claim 1 , wherein each saw assembly motor comprises a linear-rotary motor.

9. A rotating saw head of a saw assembly comprising a linear-rotary motor mounted to a frame arm of the saw assembly, the frame arm being adapted and configured to alternatingly move the linear-rotary motor towards an object to be cut and away from the object to be cut, the linear-rotary motor being operatively coupled to a shaft, the shaft having a distal end configured and adapted to receive a saw blade, the shaft having a center axis co-axially aligned with a center axis of the linear-rotary motor, the shaft being adapted and configured to rotate about the shaft center axis and the linear-rotary motor center axis when the linear-rotary motor is energized, the shaft being adapted and configured to move linearly in accordance with a speed of advancement of an object to be cut with the saw, the speed of advancement being in a direction parallel to and spaced from the linear-rotary motor center axis and the shaft center axis.

10. The rotating saw head according to claim 9, wherein the shaft is operatively coupled to a shaft of the motor.

1 1. The rotating saw head according to claim 10, wherein the shaft extends through a housing on the frame arm, the housing is adapted and configured for rotational and linear motion of the shaft.

12. The rotating saw head according to claim 1 1 , wherein the housing is located between the motor and a distal end of the shaft.

13. The rotating saw head according to claim 9, wherein the frame arm rotates about a center shaft having an axis parallel to and radially offset from the linear-rotary motor center axis.

14. A rotating saw head comprising:

a saw assembly being mounted to a frame arm of the rotating saw head, the frame arm being adapted and configured to alternatingly move the saw assembly towards an object to be cut and away from the object to be cut, the saw assembly comprising a motor, the motor having a motor center axis and including a motor shaft having a shaft center axis coaxially aligned with the motor center axis, the motor shaft being operatively connected with and coaxially aligned with a saw blade holder, the saw blade holder being adapted and configured to receive a saw blade at a distal end of the saw blade holder, the motor shaft being adapted and configured to rotate about the motor shaft center axis when the motor is energized, the motor shaft being adapted and configured to move between a retracted position and an extended position relative to the motor along the shaft center axis, wherein when the motor shaft is in the retracted position, the motor shaft extends from the motor a first distance, and wherein the motor shaft is in the extended position, the motor shaft extends from the motor a second distance that is greater than the first distance.

15. The rotating saw head of claim 14, wherein the motor shaft is adapted and configured to move between the retracted and the extended positions at a speed corresponding to a speed of an object being advanced toward the saw assembly in a direction parallel to the shaft center axis for cutting by the rotating saw head.

16. The rotating saw head of claim 14, wherein each motor shaft is operatively connected to the saw blade tool holder with a coupling.

17. The rotating saw head of claim 16, wherein the saw blade tool holder extends through a housing on the frame arm, the housing is adapted and configured for rotational and linear motion of the saw blade tool holder as the motor shaft moves between the extended and retracted positions.

18. The rotating saw head of claim 17, wherein when the motor shaft is in the retracted position, the saw blade tool holder extends from the housing a first distance, and wherein the motor shaft is in the extended position, the saw blade tool holder extends from the frame arm a second distance that is greater than the first distance.

19. The rotating saw head of claim 17, wherein the housing is located between the motor and a distal end of the saw blade holder.

20. The rotating saw head of claim 14, wherein the frame arm rotates about a center shaft having an axis parallel to and radially offset from the motor center axis.

21. The rotating saw head of claim 14, wherein the saw assembly motor comprises a linear-rotary motor.

22. The rotating saw head of claim 14, further comprising a further saw assembly mounted to the frame arm of the rotating saw head and spaced from the other saw assembly on the frame arm, the frame arm being adapted and configured to alternatingly move the further saw assembly towards an object to be cut and the other saw assembly away from the object to be cut, and move the further saw assembly away from the object to be cut and the other saw assembly toward the object to be cut, the further saw assembly comprising a motor, the motor having a motor center axis and including a motor shaft having a shaft center axis coaxially aligned with the motor center axis, the motor shaft being operatively connected with and coaxially aligned with a saw blade holder, the saw blade holder being adapted and configured to receive a saw blade at a distal end of the saw blade holder, the motor shaft being adapted and configured to rotate about the motor shaft center axis when the motor is energized, the motor shaft being adapted and configured to move between a retracted position and an extended position relative to the motor along the shaft center axis, wherein when the motor shaft is in the retracted position, the motor shaft extends from the motor a first distance, and wherein the motor shaft is in the extended position, the motor shaft extends from the motor a second distance that is greater than the first distance.

23. An orbital saw assembly comprising:

a rotating saw head;

a first saw blade at one end of the saw head; and

a second saw blade at another position on the saw head spaced from the first saw blade;

wherein each saw blade includes a motor and a shaft, each saw blade motor being configured to apply rotational force and linear force to the corresponding saw blade shaft, such that each saw blade shaft is rotatable about an axis via the applied rotational force, and linearly translatable on the axis via the applied linear force.

24. The orbital saw assembly according to claim 23, wherein linear translation of the respective saw blade shafts comprises translating the saw blade shafts from a first position to a second position different than the first position with a speed corresponding to a speed of a moving material intended for cutting by the orbital saw assembly.

25. The orbital saw assembly according to claim 23, wherein each saw blade shaft is coupled to a respective bearing housing.

26. The orbital saw assembly according to claim 25, wherein for each saw blade motor and saw blade shaft, the bearing housing and the coupling are located between the saw blade motor and the saw blade shaft along the corresponding saw blade shaft axis.

27. The orbital saw assembly according to claim 25, wherein each saw blade motor includes a shaft, and each saw blade motor shaft is coupled to the corresponding saw blade shaft via a coupling.

28. The orbital saw assembly according to claim 27, wherein each bearing housing is closer to the corresponding saw blade than each coupling is.

29. The orbital saw assembly according to claim 23, wherein the saw head rotates about a center shaft having an axis offset and parallel to the saw blade shaft axes.

30. The orbital saw assembly according to claim 23, wherein each saw blade motor comprises a linear-rotary motor.

31 . A rotating saw head of a saw assembly, comprising:

a first saw blade driven rotationally and linearly by a first linear-rotary motor; and a second saw blade driven rotationally and linearly by a second linear-rotary motor;

wherein the first saw blade is linearly translatable by the first linear-rotary motor at a speed corresponding to a speed of conveyance of a material to be cut with the first rotating saw blade, and the second saw blade is linearly translatable by the second linear-rotary motor at a speed corresponding to a speed of conveyance of a material to be cut with the second rotating saw blade.

32. The rotating saw head according to claim 31 , wherein the first linear-rotary motor and the second linear-rotary motor are driven by a servo drive, and the servo drive is configured to be controlled to set first rotation parameters and first linear translation parameters for driving the first saw blade and second rotation parameters and second linear translation parameters for driving the second saw blade.

33. The rotating saw head according to claim 32, wherein the servo drive comprises a plurality of servo drives.