IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0276026
(2001-05-16)
|
우선권정보 |
IT-0000306 (2000-05-19) |
국제출원번호 |
PCT/IB01/00871
(2001-05-16)
|
국제공개번호 |
WO01/88698
(2001-11-22)
|
발명자
/ 주소 |
- Balboni, Gianni
- Trebbi, Claudio
|
출원인 / 주소 |
- I.M.A. Industria Macchine Automatiche S.p.A.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
11 인용 특허 :
6 |
초록
▼
A distributor unit (D) includes a stepwise moving conveying line (L) for conveying containers (C) through one filling unit (G), where the containers (C) are filled with a predetermined filling liquid or powder substance. In a weighing station ( 15,16 ), associated to the conveying line (L), two weig
A distributor unit (D) includes a stepwise moving conveying line (L) for conveying containers (C) through one filling unit (G), where the containers (C) are filled with a predetermined filling liquid or powder substance. In a weighing station ( 15,16 ), associated to the conveying line (L), two weighing groups ( 11,12 ) are situated on opposite sides of the conveying line (L) and have one weighing area ( 14 a, 14 b ) for weighing a container (C). One transfer group ( 30 ) is associated to the weighing station ( 15,16 ) and moves crosswise to the conveying line (L). The transfer group ( 30 ) transfers containers (C i ) to be weighed from the conveying line (L) to the weighing area ( 14 b ) of one of the weighing groups ( 12 ), and transfers at the same time an already weighed containers (C* i−1 ) from the area ( 14 a ) of the other weighing group ( 11 ) to the conveying line (L).
대표청구항
▼
1. A liquid substance distributor unit (D) including:a conveying line (L), which moves forward stepwise, so as to convey containers (C) in a forward direction (Z);at least one filling unit (G), where said containers (c) are filled with a liquid substance;at least one weighing station ( 15 , 16 ), as
1. A liquid substance distributor unit (D) including:a conveying line (L), which moves forward stepwise, so as to convey containers (C) in a forward direction (Z);at least one filling unit (G), where said containers (c) are filled with a liquid substance;at least one weighing station ( 15 , 16 ), associated to said conveying line (L);said distributor unit (D) being characterized in that said weighing station includes, in combination:at least one first weighing station ( 15 ), situated upstream of said filling unit (G) with respect to said forward direction (Z) of said line (L), so as to weigh the containers (C IN ) before filling;at least one second weighing station ( 16 ), situated downstream of said filling unit (G), with respect to said forward direction (Z) of said line (L), so as to weigh containers (C OUT ) after filling;a control unit (U), interfaced with said first weighing station ( 15 ) and with said second weighing station ( 16 ), so as to acquire the weight of said containers (C), respectively before and after filling, and determine the net weight of the substance introduced in each container;with each one of the above mentioned first and second weighing stations ( 15 , 16 ) including:a first weighing group ( 11 ) and a second weighing group ( 12 ) situated on opposite sides of said conveying line (L);at least one weighing area ( 14 a , 14 b ) for each of said first weighing group ( 11 ) and second weighing group ( 12 ), for weighing a container (C) conveyed by the conveying line (L);at least one transfer group ( 30 ) for transferring, during a conveying line (L) stop, containers (C i ) to be weighed from said conveying line (L) to the weighing area ( 14 b ) of said second weighing group ( 12 ), and for transferring, at the same time, an already weighed containers (C* i−1 ) from the first weighing group ( 11 ) to said conveying line (L);said transfer group ( 30 ) transferring, during a next stop of said conveying line (L), further containers (C i+1 ) to be weighed from said conveying line (L) to the weighing area ( 14 a ) of said first weighing group ( 11 ), and transferring at the same time, an already weighed containers (C* i ) from said weighing area ( 14 b ) of said second weighing group ( 12 ) to said conveying line (L). 2. A distributor unit, as claimed in claim 1, wherein each of said first weighing group ( 11 ) and second weighing group ( 12 ) of said weighing stations ( 15 , 16 ) includes a selected number of weighing areas ( 14 a , 14 b ) and said conveying line (L) is controlled by said control unit (U) so as to move stepwise in relation to said selected number of weighing areas ( 14 a , 14 b ). 3. A distributor unit, as claimed in claim 1, further including a rejection unit (S), situated downstream of said second weighing station ( 16 ) with respect to said forward direction (Z) of said line (L) and interfaced with said control unit (U), so as to remove and reject from the conveying line (L) containers (C) filled with substance and having said net weight out of an admitted tolerance stored in said control unit (U). 4. A distributor unit, as claimed in claim 1, further including sensor means ( 4 ) for detecting the position of said containers (C) on said conveying line (L) and for counting forward movement steps of said line; said sensor means ( 4 ) being connected to said control unit (U). 5. A distributor unit, as claimed in claim 1, wherein said transfer group ( 30 ) includes:at least one pair ( 32 ) of clamping grippers ( 31 ) for gripping containers (C), said pair ( 32 ) being associated with a relative weighing area ( 14 a , 14 b );driving means ( 33 ) slidably coupled with guiding means ( 34 ) for driving said pair ( 32 ) of clamping grippers ( 31 ) with a reciprocatory movement in a direction (F) crosswise to the forward direction (Z) of said conveying line (L). 6. A distributor unit, as claimed in claim from 1 , wherein each weighing area ( 14 a , 14 b ) i ncludes a relative seat ( 140 a , 140 b ) for housing one container (C) to be weighed, each of said seats ( 140 a , 140 b ) being equipped with a relative acquiring unit ( 141 a , 141 b ) for acquiring the weight of said container (C).
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