Conveyor system for slicer apparatus

• US 6,763,750 B2
• Filed: 02/07/2002
• Issued: 07/20/2004
• Est. Priority Date: 02/07/2002
• Status: Expired due to Term

• Current Assignee: Provisur Technologies Incorporated
• Original Assignee: Formax Incorporated
• Inventors: Lindee, Scott A.
• Primary Examiner(s): Bidwell, James R.
• Application Number:
  US10/072,338
• Publication Number:
  US 20030145700A1
• Time in Patent Office: 894 Days
• Field of Search: 83/88, 831/55, 831/551, 831/58, 831/61, 837/30, 839/32, 198/468.01, 198/468.11, 198/575, 198/577
• US Class Current: 83/88
• CPC Class Codes: B26D 2210/02 for cutting food products, e.g. food slicers
• CPC Class Codes: B26D 5/00 Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
• CPC Class Codes: B26D 7/32 for conveying or stacking cut product means for removing cut-out material or waste B26D7/18
• CPC Class Codes: Y10T 83/0476 Including stacking of plural workpieces
• CPC Class Codes: Y10T 83/202 With product handling means
• CPC Class Codes: Y10T 83/2042 Including cut pieces overlapped on delivery means
• CPC Class Codes: Y10T 83/2192 Endless conveyor

Abstract

A conveying surface for a slicing apparatus that can be moved in two orthogonal directions in a coordinated manner to allow a depositing of slices in a pattern on the conveying surface. The conveying surface can be an endless belt conveyor circulated in the longitudinal direction by a servo-motor via a telescopic drive shaft and shifted in the lateral direction by servo-motor driving a crank arm mechanism.

Claims

1. A method of stacking slices sliced from two different product loaves comprising the steps of:

slicing first and second loaves of two different products, said loaves arranged side-by-side;

depositing a first slice from said first loaf to be supported on a conveyor; and

moving said conveyor laterally to deposit a second slice of said second loaf at least partially onto said first slice.

2. The method according to claim 1, wherein said conveyor is moved laterally repetitively and said loaves are sliced at a preselected rate to interleave slices of said first and second loaves in a stack.

3. The method according to claim 2, wherein said conveyor is controlled to move longitudinally such that said stack is shingled.

4. The method according to claim 3, wherein said conveyor is moved laterally and said step of slicing is timed as between loaves, such that a first plurality of slices of said first loaf are deposited in succession on said conveyor and then said first and second slices are deposited at least partly on said first plurality, a second plurality of slices of said second loaf are deposited in succession at least partly on said second slice.

5. The method according to claim 4, wherein said conveyor is controlled to move longitudinally such that at least one of said pluralities are shingled.

6. A conveying system for a slicing apparatus, comprising:

a conveying surface arranged to receive slices from a slicing apparatus;

a first mechanism for moving said conveying surface in a longitudinal direction in both forward and reverse;

a second mechanism for moving said conveying surface in a lateral direction in both forward and reverse; and

a control for coordinating movement of said first and second mechanisms to deposit a two dimensional pattern of slices on said conveying surface;

wherein said conveying surface is located on an endless belt, said endless belt is wrapped around front and rear rolls, said first mechanism comprising a motor operatively connected to one of said rolls for circulating said endless belt, said motor connected to said one roll via a telescopic drive shaft, said telescopic drive shaft extended or retracted to compensate for the moving of said conveying surface in the lateral direction.

7. A conveying system for a slicing apparatus, comprising:

a conveying surface arranged to receive slices from a slicing apparatus;

a first mechanism for moving said conveying surface in a longitudinal direction in both forward and reverse;

a second mechanism for moving said conveying surface in a lateral direction in both forward and reverse; and

a control for coordinating movement of said first and second mechanisms to deposit a two dimensional pattern of slices on said conveying surface;

wherein said conveying surface is located on an endless belt, and said second mechanism comprises a precisely controlled motor operatively connected to a rotary-to-linear movement converting mechanism, said converting mechanism operatively connected to said conveyor to move said conveyor laterally.

8. The conveying system according to claim 7, wherein said rotary-to-linear movement converting mechanism comprises a crank arm having a base end operatively connected to said precisely controlled motor for rotation thereby and a pin carried by said crank arm at a distal end thereof;

and said conveying surface carried by a frame, said frame guided for lateral sliding movement, said frame including a guide for receiving said pin, said guide extending longitudinally, orbital motion of said pin moving said frame laterally.

9. The conveying system according to claim 8, wherein said first mechanism comprises a further precisely controlled motor, and said conveying surface is located on an endless belt, said belt wrapped around front and rear rolls, said further precisely controlled motor operatively engaged to one of said rolls to circulate said endless belt.

10. The conveying system according to claim 9, wherein said precisely controlled motor and said further precisely controlled motor are precisely controlled by a programmable controller of the conveying system, said programmable controller synchronizing movement of said precisely controlled motor and said further precisely controlled motor to move said conveyor in forward and reverse in both the lateral and longitudinal direction to form a two-dimensional pattern of slices on said conveying surface.

11. A conveying system for a slicing apparatus, comprising:

a conveying surface arranged to receive slices from a slicing apparatus;

a first mechanism for moving said conveying surface in a longitudinal direction in both forward and reverse;

a second mechanism for moving said conveying surface in a lateral direction in both forward and reverse; and

a control for coordinating movement of said first and second mechanisms to deposit a two dimensional pattern of slices on said conveying surface;

wherein said conveying surface is located on an endless belt conveyor, and said first mechanism comprises a motor for circulating said endless belt conveyor, and said second mechanism comprises a precisely controlled motor operatively connected to a crank mechanism, said crank mechanism operatively connected to said endless belt conveyor, rotation of said precisely controlled motor moves said conveyor to shift said conveying surface laterally.

12. The conveying system according to claim 11, wherein said two dimensional pattern of slices comprises an S-shaped pattern.

13. The conveying system according to claim 11, wherein said two dimensional pattern of slices comprises an X-shaped pattern.

14. The conveying system according to claim 11, wherein said two dimensional pattern of slices comprises a square-shaped pattern.

15. The conveying system according to claim 11, wherein said two dimensional pattern of slices comprises a diamond-shaped pattern.

16. The conveying system according to claim 11, wherein said two dimensional pattern of slices comprises a square/round-shaped pattern.

17. The conveying system according to claim 11, wherein said two dimensional pattern of slices comprises a circular-shaped pattern.

18. The conveying system according to claim 11, wherein said two dimensional pattern of slices comprises a triangle-shaped pattern.

19. A conveying system for a slicing apparatus, comprising:

a first roll and a second roll arranged in parallel and having lateral axis;

at least one belt wrapped around said first and second rolls;

a precisely controlled first motor operatively connected to one of said rolls to circulate said conveyor belt;

a precisely controlled second motor and a rotary-to-linear movement converting mechanism operatively connected to said second motor, said movement converting mechanism operatively connected to said conveyor frame; and

a controller signal-connected to said first and second motors to coordinate precise longitudinal and lateral movement of said conveying surface to form two-dimensional patterns of slices deposited on said conveying surface from a relatively stationery slicing mechanism.

20. The method system according to claim 19, wherein said conveying surface is moved in said lateral direction in both forward and reverse.

21. The method system according to claim 19, wherein said conveying surface is moved in said longitudinal direction in both forward and reverse.

22. The system according to claim 19, wherein said conveying surface is moved to create said two dimensional pattern at a speed to produce shingling of slices in both the longitudinal and lateral direction.

23. The system according to claim 19, wherein said two dimensional pattern includes shingled slices in the lateral direction in both the forward and reverse directions.

24. The system according to claim 19, wherein said two dimensional pattern includes shingled slices in the longitudinal direction in both the forward and reverse directions.

25. The system according to claim 19, wherein said conveying surface is moved to create an S-shaped two dimensional pattern.

26. The system according to claim 19, wherein said conveying surface is moved to create an X-shaped two dimensional pattern.

27. The system according to claim 19, wherein said conveying surface is moved to create a square-shaped two dimensional pattern.

28. The system according to claim 19, wherein said conveying surface is moved to create a diamond-shaped two dimensional pattern.

29. The system according to claim 19, wherein said conveying surface is moved to create a square/round-shaped two dimensional pattern.

30. The system according to claim 19, wherein said conveying surface is moved to create a circular-shaped two dimensional pattern.

31. The system according to claim 19, wherein said conveying surface is moved to create a triangle-shaped two dimensional pattern.

32. The system according to claim 19, wherein said conveying surface is moved in both the longitudinal and lateral direction within each pattern to shingle slices in both the longitudinal and lateral directions.

33. The conveying system according to claim 19, wherein said rotary-to-linear movement converting mechanism comprises a vertical shaft driven into rotation about its axis by said second motor, and a crank arm fixed to an end of said shaft and a pin extending vertically from a distal end of said crank arm;

wherein said frame comprises a longitudinally extending channel that receives said pin, rotation of said shaft causing orbital movement of said pin to translate said channel and said frame laterally.

34. The conveying system according to claim 33, wherein said shaft is vertically extendable to compensate for change in elevation of said belt.

35. The conveying system according to claim 34, wherein said converting mechanism comprises a crank tube driven into rotation by said second motor, and said shaft is telescopically received in said crank tube, and keyed for rotation therewith, said shaft extendable from said crank tube to compensate for elevation change of said conveyor belt.

36. A conveying system for a slicing apparatus that produces slices from two different product loaves, said loaves arranged and sliced side-by-side, comprising:

a conveying surface arranged to receive slices from said loaves;

a first mechanism for moving said conveying surface in a longitudinal direction;

a second mechanism for moving said conveying surface in a lateral direction in both forward and reverse; and

a control for coordinating movement of said first and second mechanisms to deposit slices from said two loaves on said conveying surface, wherein said conveyor is moved laterally repetitively and said loaves are sliced at a pre-selected rate to deposit alternating slices from the two loaves at substantially the same lateral position on the conveying surface to interleave slices of said first and second loaves in one or more stacks;

wherein said conveying surface is located on an endless belt, and said second mechanism comprises a precisely controlled motor operatively connected to a rotary-to-linear movement converting mechanism, said converting mechanism operatively connected to said conveyor to move said conveyor laterally.

37. The conveying system according to claim 36, wherein said rotary-to-linear movement converting mechanism comprises a crank arm having a base end operatively connected to said precisely controlled motor for rotation thereby and a pin carried by said crank arm at a distal end thereof;

and said conveying surface carried by a frame, said frame guided for lateral sliding movement, said frame including a guide for receiving said pin, said guide extending longitudinally, orbital motion of said pin moving said frame laterally.

38. The conveying system according to claim 37, wherein said first mechanism comprises a further precisely controlled motor, and said conveying surface is located on an endless belt, said belt wrapped around front and rear rolls, said further precisely controlled motor operatively engaged to one of said rolls to circulate said endless belt.

39. The conveying system according to claim 36 wherein said control causes said first mechanism to move said conveying surface longitudinally to shingle said one or more stacks in a longitudinal direction.