SMART HUB FOR A WELDING ELECTRODE FEEDER

• US 20170165779A1
• Filed: 12/14/2015
• Published: 06/15/2017
• Est. Priority Date: 12/14/2015
• Status: Active Application

• Current Assignee: Hobart Brothers LLC (Illinois Tool Works Inc.)
• Original Assignee: Hobart Brothers Company (Illinois Tool Works Inc.)
• Inventors: Barhorst, Steven Edward, Hsu, Christopher
• Application Number:
  US14/968,452
• Publication Number:
  US 20170165779A1
• Time in Patent Office: Days
• CPC Class Codes: B23K 9/095 Monitoring or automatic control of welding parameters
• CPC Class Codes: B23K 9/1093 Consumable electrode or filler wire preheat circuits
• CPC Class Codes: B23K 9/12 Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
• CPC Class Codes: B23K 9/124 Circuits or methods for feeding welding wire
• CPC Class Codes: B23K 9/125 Feeding of electrodes for stabilising arc B23K9/073
• CPC Class Codes: B23K 9/133 Means for feeding electrodes, e.g. drums, rolls, motors

Abstract

A welding electrode feeder includes an electrode package support and control circuitry. The electrode package support is configured to be coupled to a package of electrode. The electrode package support includes a hub motor disposed within the electrode package support, wherein the hub motor is configured to rotate the package coupled to the electrode package support, and a sensor configured to sense one or more parameters of the electrode. The control circuitry is communicatively coupled to the hub motor, the sensor, and a downstream motor, and is configured to control the hub motor or the downstream motor based at least in part upon the one or more parameters of the electrode.

Claims

1. A welding electrode feeding device comprising:

an electrode package support configured to be coupled to a package of an electrode, the electrode package support comprising;

a support motor disposed within the electrode package support, wherein the support motor is configured to rotate the package coupled to the electrode package support; and

a sensor configured to sense one or more parameters of the electrode; and

control circuitry communicatively coupled to the support motor, the sensor, and a downstream motor, wherein the control circuitry is configured to control the support motor, the downstream motor, or both, based at least in part upon the one or more parameters of the electrode.

2. The welding electrode feeding device of claim 1, wherein the package comprises a spool, a coil, a drum, a box, a reel, or a combination thereof.

3. The welding electrode feeding device of claim 1, wherein the downstream motor is disposed within the welding electrode feeding device.

4. The welding electrode feeding device of claim 1, wherein the downstream motor is disposed within a welding torch.

5. The welding electrode feeding device of claim 1, wherein the sensor is configured to sense parameters indicative of rust or oxidation, a diameter of the electrode, a material composition, a shape of the electrode, a surface condition of the electrode, a color of the electrode, a measurement of carbon content in the electrode, a measurement of ferrite content in the electrode, or a combination thereof.

6. The welding electrode feeding device of claim 1, wherein the electrode package support comprises a machine readable code reader configured to read machine readable code disposed on or within the package.

7. The welding electrode feeding device of claim 6, wherein the machine readable code contains information relating to a type of the electrode, a diameter of the electrode, a length of the electrode in the package, a heat number, compatible shielding gas blends, compatible polarities, compatible welding positions, compatible welding processes, suitable welding processes, health and safety data, quality control data, code compliance data, electrode manufacturing traceability information, or a combination thereof.

8. The welding electrode feeding device of claim 7, wherein the control circuitry is configured to use information from the machine readable code to confirm compatibility of the electrode, a gas, a polarity, a feed rate, a welding process, a selected welding program, or a combination thereof.

9. The welding electrode feeding device of claim 6, wherein the electrode package support comprises an RFID reader configured to read an RFID tag coupled to the package or a near field communication (NFC) reader configured to read an NFC tag coupled to the package.

10. The welding electrode feeding device of claim 1, the electrode package support comprising a unique engagement pin, wherein the unique engagement pin corresponds to a type and size of electrode such that a user may load a desired package of desired electrode size and type.

11. The welding electrode feeding device of claim 1, wherein the sensor is configured to sense a weight of the package.

12. The welding electrode feeding device of claim 1, wherein the control circuitry is configured to determine a weight of the electrode in the package based at least in part upon a torque required of the support motor to rotate the package.

13. The welding electrode feeding device of claim 1, wherein the control circuitry is configured to shut down the welding electrode feeding device, to generate a notification to communicate to one or more components, or to create a user-perceptible warning when a first electrode feed rate measured at a first location within the welding electrode feeding device is substantially greater than or substantially less than a second electrode feed rate at a second location upstream or downstream of the first location, or when an excessive torque of the support motor or feeding force of the support motor is detected.

14. The welding electrode feeding device of claim 1, wherein the control circuitry is configured to turn off the welding electrode feeding device, to generate a notification to communicate to one or more components, or to create a user-perceptible warning when an amount of the electrode in the package is below a threshold value.

15. The welding electrode feeding device of claim 1, wherein the control circuitry is configured to communicate to an operator interface a type of the electrode, a diameter of the electrode, an amount of the electrode, a feed rate of the electrode, or a combination thereof.

16. The welding electrode feeding device of claim 1, wherein the control circuitry is configured to apply a torque feedback loop, a speed feedback loop, a position feedback loop, or a combination thereof, to the support motor, a feed motor, a pull motor in a welding torch, or a combination thereof, in order to optimize feeding of the electrode.

17. The welding electrode feeding device of claim 1, wherein the control circuitry is configured to control the support motor and the downstream motor with a master-slave control scheme.

18. The welding electrode feeding device of claim 1, wherein the control circuitry is configured to synchronize the support motor and the downstream motor for arc start upon depression of a trigger on a welding torch.

19. The welding electrode feeding device of claim 1, wherein the control circuitry is configured to run diagnostics in order to diagnose a problem within the welding electrode feeding device, or to identify a location of the problem within the welding electrode feeding device.

20. The welding electrode feeding device of claim 1, comprising a heater configured to condition the electrode.

21. The welding electrode feeding device of claim 20, wherein the heater is configured to preheat the electrode to a temperature above 40 degrees Celsius.

22. The welding electrode feeding device of claim 1, comprising a fixture configured to hold an end of a first length of electrode and an end of a second length of electrode such that the first length of electrode and the second length of electrode may be welded together such that the welding electrode feeding device may continuously feed the first length of electrode and the second length of electrode.

23. The welding electrode feeding device of claim 1, wherein the welding electrode feeding device is disposed within a welding wire feeder.

24. The welding electrode feeding device of claim 1, wherein the welding electrode feeding device is disposed within a welding torch.

25. A welding electrode feeding device comprising:

an electrode package support configured to be coupled to a package of an electrode, the electrode package support comprising a weight sensor configured to sense a weight of the package; and

control circuitry communicatively coupled to the weight sensor, wherein the control circuitry is configured to control a motor driving rotation of the electrode package support based at least in part upon the sensed weight.

26. The welding electrode feeding device of claim 25, comprising a support motor disposed within the electrode package support and configured to rotate the package coupled to the electrode package support, wherein the support motor is communicatively coupled to the control circuitry, and wherein the control circuitry is configured to control the support motor, a downstream motor, or both, based at least in part upon the sensed weight.

27. The welding electrode feeding device of claim 26, wherein the control circuitry is configured to subtract a weight of an empty electrode package to determine an amount of electrode in the package.

28. The welding electrode feeding device of claim 26, wherein the control circuitry is configured to shut down the welding electrode feeding device, to generate a notification to communicate to one or more components, or to create a user-perceptible warning when a first electrode feed rate measured at a first location within the welding electrode feeding device is substantially greater than or substantially less than a second electrode feed rate at a second location upstream or downstream of the first location.

29. The welding electrode feeding device of claim 26, wherein the electrode package support comprises an RFID reader configured to read an RFID tag coupled to the package or a near field communication (NFC) reader configured to read an NFC tag coupled to the package.

30. The welding electrode feeding device of claim 26, wherein the electrode package support comprises a machine readable code reader configured to read machine readable code disposed on a surface of the package.

31. The welding electrode feeding device of claim 30, wherein the machine readable code contains information relating to a type of the electrode, a diameter of the electrode, a heat number, compatible shielding gas blends, compatible polarities, compatible welding positions, compatible welding processes, suitable welding parameters, health and safety data, quality control data, code compliance data, electrode manufacturing traceability information, or a combination thereof.

32. The welding electrode feeding device of claim 26, comprising a heater configured to condition the electrode.

33. A welding electrode feeding device comprising:

an electrode package support configured to be coupled to a package of an electrode, the electrode package support comprising;

a support motor disposed within the electrode package support and configured to rotate the package coupled to the electrode package support; and

a proximity sensor configured to sense one or more features disposed on or within the package; and

control circuitry communicatively coupled to the support motor, the proximity sensor, and a downstream motor, wherein the control circuitry is configured to control the support motor, the downstream motor, or both, based at least in part upon the one or more features.

34. The welding electrode feeding device of claim 33, wherein the one or more features disposed on or within the package comprise notches, spot welds, or pre-notched strips.

35. The welding electrode feeding device of claim 34, wherein the one or more features are disposed on a surface of the package.

36. The welding electrode feeding device of claim 33, wherein the one or more features disposed on or within the package are configured to communicate encoded data.

37. The welding electrode feeding device of claim 36, wherein the encoded data contains information relating to a type of the electrode, a diameter of the electrode, a length of the electrode in the package, a heat number, compatible shielding gas blends, compatible polarities, compatible welding positions, compatible welding processes, suitable welding parameters, health and safety data, quality control data, code compliance data, electrode manufacturing traceability information, or some combination thereof.