Transport device with controllable conveying element

1. A transport device for conveying a product, said transport device including

a movable conveying element ( 2 ) for conveying the product,

a stationary running rail ( 3 ) which defines a running path for the conveying element ( 2 ),

a first linear motor driving device ( 4 ),

a second linear motor driving device ( 6 ),

a control device ( 9 ) which actuates the first and second linear motor driving devices ( 4 , 6 ) and

a sensor device which detects an alignment of the conveying element ( 2 ) relative to the running rail ( 3 ) and transmits the alignment to the control device ( 9 ),

wherein the first and second linear motor driving devices ( 4 , 6 ) are arranged eccentrically on the conveying element ( 2 ) and the running rail ( 3 ),

wherein the first and second linear motor driving devices ( 4 , 6 ) are configured to drive the conveying element ( 2 ) and to exert a torque on the conveying element ( 2 ) and

wherein the control device is configured to carry out an alignment of the conveying element ( 2 ) as a result of applying a torque about a vertical axis (H) of the conveying element ( 2 ).

2. The transport device as claimed in claim 1 , characterized in that the sensor device includes an angle sensor ( 20 ) which detects angular deviations of the conveying element ( 2 ) with respect to a direction of movement (X).

3. The transport device as claimed in claim 1 , wherein the sensor device includes an acceleration sensor for detecting at least one of an acceleration of the conveying element ( 2 ) and a change in the acceleration of the conveying element ( 2 ).

4. The transport device as claimed in claim 1 , characterized in that the sensor device includes a speed sensor for detecting at least one of a speed of the conveying element ( 2 ) and a change in the speed of the conveying element ( 2 ).

5. The transport device as claimed in claim 1 , characterized in that the sensor device includes a gyrometer for detecting rotary movements of the conveying element ( 2 ).

6. The transport device as claimed in claim 1 , characterized in that the sensor device includes a position determining device ( 14 ) and a first position point ( 15 ) and a second position point ( 16 ), wherein a fixed spacing (A) is arranged between the first and second position points ( 15 , 16 ) on the conveying element ( 2 ) and wherein the control device ( 9 ) is configured to perform an alignment of the conveying element ( 2 ) by way of the spacing (A).

7. The transport device as claimed in claim 1 , characterized in that the running rail ( 3 ) additionally includes a guide rail ( 13 ) and the conveying element ( 2 ) includes at least one horizontal roller ( 7 ), wherein the horizontal roller ( 7 ) is guided on the guide rail ( 13 ).

8. The transport device as claimed in claim 1 , characterized in that the first and second linear motor driving devices ( 4 , 6 ) each include permanent magnets ( 5 ) and coils ( 10 ),

wherein the permanent magnets ( 5 ) are arranged on the conveying element ( 2 ) and the coils ( 10 ) are arranged on the running rail ( 3 ).

9. The transport device as claimed in claim 1 , characterized in that the first and second linear motor driving devices ( 4 , 6 ) each include permanent magnets ( 5 ) and coils ( 10 ), wherein the coils ( 10 ) are arranged on the conveying element ( 2 ) and the permanent magnets ( 5 ) are arranged on the running rail ( 3 ).

10. The transport device as claimed in claim 1 , characterized in that the first and second linear motor driving devices ( 4 , 6 ) each include permanent magnets ( 5 ) and coils ( 10 ), wherein permanent magnets ( 5 ) are arranged on the conveying element ( 2 ) and coils ( 10 ) are arranged on the running rail ( 3 ) for the first linear motor driving device ( 4 ) and coils ( 10 ) are arranged on the conveying element ( 2 ) and permanent magnets ( 5 ) are arranged on the running rail ( 3 ) for the second linear motor driving device ( 6 ).

11. A packaging device, including a transport device for conveying a product, said transport device including

a movable conveying element ( 2 ) for conveying the product,

a stationary running rail ( 3 ) which defines a running path for the conveying element ( 2 ),

a first linear motor driving device ( 4 ),

a second linear motor driving device ( 6 ),

a control device ( 9 ) which actuates the first and second linear motor driving devices ( 4 , 6 ) and

a sensor device which detects an alignment of the conveying element ( 2 ) relative to the running rail ( 3 ) and transmits the alignment to the control device ( 9 ),

wherein the first and second linear motor driving devices ( 4 , 6 ) are arranged eccentrically on the conveying element ( 2 ) and the running rail ( 3 ),

wherein the first and second linear motor driving devices ( 4 , 6 ) are configured to drive the conveying element ( 2 ) and to exert a torque on the conveying element ( 2 ) and

wherein the control device is configured to carry out an alignment of the conveying element ( 2 ) as a result of applying a torque about a vertical axis (H) of the conveying element ( 2 ).

12. The packaging device as claimed in claim 11 , characterized in that the sensor device includes an angle sensor ( 20 ) which detects angular deviations of the conveying element ( 2 ) with respect to a direction of movement (X).

13. The packaging device as claimed in claim 11 , wherein the sensor device includes an acceleration sensor for detecting at least one of an acceleration of the conveying element ( 2 ) and a change in the acceleration of the conveying element ( 2 ).

14. The packaging device as claimed in claim 11 , characterized in that the sensor device includes a speed sensor for detecting at least one of a speed of the conveying element ( 2 ) and a change in the speed of the conveying element ( 2 ).

15. The packaging device as claimed in claim 11 , characterized in that the sensor device includes a gyrometer for detecting rotary movements of the conveying element ( 2 ).

16. The packaging device as claimed in claim 11 , characterized in that the sensor device includes a position determining device ( 14 ) and a first position point ( 15 ) and a second position point ( 16 ), wherein a fixed spacing (A) is arranged between the first and second position points ( 15 , 16 ) on the conveying element ( 2 ) and wherein the control device ( 9 ) is configured to perform an alignment of the conveying element ( 2 ) by way of the spacing (A).

17. The packaging device as claimed in claim 11 , characterized in that the running rail ( 3 ) additionally includes a guide rail ( 13 ) and the conveying element ( 2 ) includes at least one horizontal roller ( 7 ), wherein the horizontal roller ( 7 ) is guided on the guide rail ( 13 ).

18. The packaging device as claimed in claim 11 , characterized in that the first and second linear motor driving devices ( 4 , 6 ) each include permanent magnets ( 5 ) and coils ( 10 ), wherein the permanent magnets ( 5 ) are arranged on the conveying element ( 2 ) and the coils ( 10 ) are arranged on the running rail ( 3 ).

19. The packaging device as claimed in claim 11 , characterized in that the first and second linear motor driving devices ( 4 , 6 ) each include permanent magnets ( 5 ) and coils ( 10 ), wherein the coils ( 10 ) are arranged on the conveying element ( 2 ) and the permanent magnets ( 5 ) are arranged on the running rail ( 3 ).

20. The packaging device as claimed in claim 11 , characterized in that the first and second linear motor driving devices ( 4 , 6 ) each include permanent magnets ( 5 ) and coils ( 10 ), wherein permanent magnets ( 5 ) are arranged on the conveying element ( 2 ) and coils ( 10 ) are arranged on the running rail ( 3 ) for the first linear motor driving device ( 4 ) and coils ( 10 ) are arranged on the conveying element ( 2 ) and permanent magnets ( 5 ) are arranged on the running rail ( 3 ) for the second linear motor driving device ( 6 ).