Method for operating an electromagnetic transfer system, and transfer system
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65G-047/31
B65G-047/84
B65G-054/02
B65G-037/00
출원번호
US-0115382
(2012-03-16)
등록번호
US-9061838
(2015-06-23)
우선권정보
DE-10 2011 075 176 (2011-05-03)
국제출원번호
PCT/EP2012/054725
(2012-03-16)
§371/§102 date
20140204
(20140204)
국제공개번호
WO2012/150082
(2012-11-08)
발명자
/ 주소
van de Loecht, Heinrich
Reinisch, Martin
출원인 / 주소
Robert Bosch GmbH
대리인 / 주소
Michael Best & Friedrich LLP
인용정보
피인용 횟수 :
5인용 특허 :
16
초록▼
The invention relates to a method for operating an electromagnetic transfer system (10) which is used to convey items (1; 1a) to a downstream conveyor device (15), and which comprises a carrier path (20), preferably designed to be closed, on which there is at least one moveable transport element (22
The invention relates to a method for operating an electromagnetic transfer system (10) which is used to convey items (1; 1a) to a downstream conveyor device (15), and which comprises a carrier path (20), preferably designed to be closed, on which there is at least one moveable transport element (22) for an item (1; 1a) that is moved along on a transport surface (24) by said transport element (22), said transport element (22) having at least one permanent magnet element (32) that is arranged to be functionally connected to individually-energisable inductor coils (31) which are arranged along the carrier path (20). Position-detecting means (35) are provided to ascertain the position of the transport element (22) on said carrier path (20) and, in a delivery region (37), the item (1; 1a) is delivered from the transport surface (24) to the downstream conveyor device (15), said conveyor device having a separate drive (38). According to the invention, in order to reduce the spacing (A, A1, A2) between individual items (1; 1a) on the downstream conveyor device (15), the conveyor speed (v4) of said conveyor device (15) is reduced intermittently at the point of delivery from the transport surface (24) to the conveyor device (15), in relation to the speed (v2) of the transport element (22), and/or the speed (v2) of the transport element (22) is increased at the point of delivery in relation to the conveyor speed (v4) of the conveyor device (15).
대표청구항▼
1. A method for operating an electromagnetic transfer system (10) used to convey items (1: 1a) to a downstream conveyor device (15), the system comprising a carrier path (20), on which there is at least one movable transport element (22) for an item (1; 1a) that is moved along on a transport surface
1. A method for operating an electromagnetic transfer system (10) used to convey items (1: 1a) to a downstream conveyor device (15), the system comprising a carrier path (20), on which there is at least one movable transport element (22) for an item (1; 1a) that is moved along on a transport surface (24) by said transport element (22), said transport element (22) having at least one permanent magnet element (32) that is arranged to be functionally connected to individually-energizable inductor coils (31) which are arranged along the carrier path (20), wherein position-detecting means (35) for ascertaining a position of the transport element (22) are provided on said carrier path (20) and, in a delivery region (37), the item (1; 1a) is delivered from the transport surface (24) to the downstream conveyor device (15), said conveyor device having a separate drive (38), the method comprising, in order to reduce spacing (A, A1, A2) between individual items (1; 1a) on the downstream conveyor device (15), at least one of the following steps: (A) a conveyor speed (v4) of said conveyor device (15) is reduced intermittently at a point of delivery from the transport surface (24) to the conveyor device (15) in relation to a speed (v2) of the transport element (22); and (B) the speed (v2) of the transport element (22) is increased at the point of delivery in relation to the conveyor speed (v4) of the conveyor device (15). 2. The method according to claim 1, characterized in that the speed (v2) of the transport element (22) is already increased along a path section upstream of the delivery point. 3. The method according to claim 1, characterized in that a plurality of transport elements (22) is provided, a spacing between which is reduced in a region upstream of the delivery point to a minimum spacing (aTe) between the transport elements (22). 4. The method according to claim 3, characterized in that the speed of the transport element is calculated according to the formula V(Te)=(LTe+aTe)/TA wherein LTe represents an overall length of the transport element (22), wherein aTe represents a minimum spacing between two transport elements (22) in the delivery region and wherein TA represents the spacing between two items (1; 1a) on the conveyor device (15). 5. The method according to claim 1, characterized in that the items (1; 1a) are taken over from a feeder device (11) by means of the at least one transport element (22) and in that the at least one transport element (22) is continuously driven at a constant speed except for, if need be, the speed being intermittently reduced to take over the items (1; 1a) from the feeder device (11). 6. The method according to claim 1, characterized in that the items (1; 1a) are pushed along on the transport surface (24) by the transport element (22). 7. A transfer system (10) for carrying out a method according to claim 1, characterized in that a control device (30) is provided which actuates the at least one transport element (22) or the conveyor device (15) in such a manner that the item (1; 1a) moves into the conveyor unit (15) with excess speed at the delivery point of said item (1; 1a) to said conveyor unit (15). 8. The transfer system according to claim 7, characterized in that a delivery region of the items (1; 1a) is situated in a direction of transportation (15) in a curve entry region (37) of the transport path (20). 9. The transfer system according to claim 7, characterized in that a take-over region of the items (1; 1a) coming from a feeder device (11) is situated in a curve exit region (36) of the transport path (20). 10. The transfer system according to claim 7, characterized in that the transport element (22) comprises a driver element (23) which abuts on the item (1; 1a) so as to be able to push the same. 11. A method for operating an electromagnetic transfer system (10) used to convey items (1: 1a) to a downstream conveyor device (15), the system comprising a carrier path (20), on which there is at least one movable transport element (22) for an item (1; 1a) that is moved along on a transport surface (24) by said transport element (22), said transport element (22) having at least one permanent magnet element (32) that is arranged to be functionally connected to individually-energizable inductor coils (31) which are arranged along the carrier path (20), wherein position-detecting means (35) for ascertaining a position of the transport element (22) are provided on said carrier path (20) and, in a delivery region (37), the item (1; 1a) is delivered from the transport surface (24) to the downstream conveyor device (15), said conveyor device having a separate drive (38), the method comprising, in order to reduce spacing (A, A1, A2) between individual items (1; 1a) on the downstream conveyor device (15), a conveyor speed (v4) of said conveyor device (15) is reduced intermittently at a point of delivery from the transport surface (24) to the conveyor device (15) in relation to a speed (v2) of the transport element (22). 12. The method of claim 11 and further comprising the speed (v2) of the transport element (22) is increased at the point of delivery in relation to the conveyor speed (v4) of the conveyor device (15). 13. A method for operating an electromagnetic transfer system (10) used to convey items (1: 1a) to a downstream conveyor device (15), the system comprising a carrier path (20), on which there is at least one movable transport element (22) for an item (1; 1a) that is moved along on a transport surface (24) by said transport element (22), said transport element (22) having at least one permanent magnet element (32) that is arranged to be functionally connected to individually-energizable inductor coils (31) which are arranged along the carrier path (20), wherein position-detecting means (35) for ascertaining a position of the transport element (22) are provided on said carrier path (20) and, in a delivery region (37), the item (1; 1a) is delivered from the transport surface (24) to the downstream conveyor device (15), said conveyor device having a separate drive (38), the method comprising, in order to reduce spacing (A, A1, A2) between individual items (1; 1a) on the downstream conveyor device (15), the speed (v2) of the transport element (22) is increased at the point of delivery in relation to the conveyor speed (v4) of the conveyor device (15).
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이 특허에 인용된 특허 (16)
Wipf, Alfred; Loecht, Heinrich; Siering, Martin, Apparatus and method for transporting products, having a linear drive mechanism.
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