Transfer apparatus for dough pieces

1. A transfer apparatus for transferring a dough piece from a first processing station to a second processing station, comprising:

a rotating dropping roller that is configured to release the dough piece from the first processing station, and

a scraper that is associated with the dropping roller and that is configured to support the dough piece released from the dropping roller, and

an oiling device that is associated with the dropping roller and that is configured to apply oil onto an outside surface of the dropping roller;

wherein the oiling device comprises at least one oiling pipe which extends at a distance parallel to the rotational axis of the dropping roller and which has oil outlet openings distributed across an axial length thereof; and

wherein the oiling pipe is arranged above the dropping roller with oil being delivered unpressurized via the oil outlet openings and dripping by gravity onto the dropping roller.

2. The transfer apparatus according to claim 1 , wherein the oil outlet openings are arranged at an upper side of the oiling pipe that faces away from the dropping roller.

3. The transfer apparatus according to claim 1 , wherein the oil outlet openings are configured in the form of nozzles via which the oil can be sprayed under pressure onto the dropping roller.

4. The transfer apparatus according to claim 1 , wherein the oiling pipe is mounted in a detachable manner in the transfer apparatus.

5. The transfer apparatus according to claim 4 , wherein the oiling pipe is connected via a plug connection to an oil supply line of an oil reservoir.

6. The transfer apparatus according to claim 1 , wherein the oiling device is formed by one of a fabric, felt, and fleece attached to the dropping roller.

7. The transfer apparatus according to claim 1 , wherein the oiling device is supplied with oil from an oil reservoir via one of a pump, a dosing pump, and a dosing-valve arrangement.

8. The transfer apparatus according to claim 1 , wherein a scraper edge of the scraper is positioned above the dropping roller by a micro gap having a thickness of between 10 μm and 100 μm.

9. The transfer apparatus according to claim 8 , wherein the micro gap has a thickness of 50 μm.

10. The transfer apparatus according to claim 1 , wherein the first processing station is a dough portioning device and the second processing station is a dough kneading device.

11. A method of transferring a dough piece from a first processing station to a second processing station, the method comprising:

rotating a dropping roller to release the dough piece from the first processing station,

supporting the dough piece that is released from the dropping roller on a scraper, and

applying oil on an outside surface of the dropping roller;

wherein the applying step comprises delivering oil from outlet openings in an oiling pipe which extends at a distance parallel to the rotational axis of the dropping roller, the oil outlet openings being distributed across an axial length of the oiling pipe;

wherein the oiling pipe is located above the dropping roller; and

wherein the applying step comprises allowing oil to fall by gravity onto the dropping roller from the oil outlet openings in the oil pipe.

12. The method according to claim 11 , wherein oil is applied to the dropping roller from one of a fabric, felt, and fleece attached to the dropping roller.

13. The method according to claim 11 , wherein the first processing station is a dough portioning device and the second processing station is a dough kneading device.

14. A method of transferring a dough piece from a first processing station to a second processing station, the method comprising:

rotating a dropping roller to release the dough piece from the first processing station,

supporting the dough piece that is released from the dropping roller on a scraper, and

applying oil on an outside surface of the dropping roller;

wherein the applying step comprises delivering oil from outlet openings in an oiling pipe which extends at a distance parallel to the rotational axis of the dropping roller, the oil outlet openings being distributed across an axial length of the oiling pipe;

wherein the oil outlet openings in the oiling pipe comprise nozzles; and

wherein applying step comprises spraying oil under pressure onto the dropping roller from the nozzles.