Machine and a plant for dyeing textile materials

Abstract

Machine for dyeing textile materials, characterized in that it comprises a stationary structure ( 1 ) with a surface ( 100 ) for supporting or parking the materials already treated or to be treated, said materials being disposed upon said surface at corresponding predetermined positions, in that it comprises a surface ( 101 ) with a plurality of tanks ( 4 ) to be fed with a dye bath, and in that it comprises means ( 60 ) for removing and handling the materials between said supporting or parking surface ( 100 ) and said tanks ( 4 ), the said means ( 60 ) being associated with a programmable unit (UE).

1 . Machine for dyeing textile materials, characterized in that it comprises a stationary structure ( 1 ) with a surface ( 100 ) for supporting or parking the materials already treated or to be treated, said materials being disposed upon said surface at corresponding predetermined positions, in that it comprises a surface ( 101 ) with a plurality of tanks ( 4 ) to be fed with a dyeing bath, and in that it comprises means ( 60 ) for removing and handling the materials between said supporting or parking surface ( 100 ) and said tanks ( 4 ), the said means ( 60 ) being associated with a programmable unit (UE).  
     
     
         2 . Machine according to  claim 1 , characterized in that said materials are reels of yarns ( 2 ) fitted onto corresponding reel-holders ( 3 ).  
     
     
         3 . Machine according to  claim 1 , characterized in that a substantially cylindrical container is associated with the surface ( 100 ) of the tanks ( 4 ) and has more lids ( 40 ) fitted into its vertical axis for closing sealingly the tanks ( 4 ).  
     
     
         4 . Machine according to  claim 1 , characterized in that at least a space ( 110 ) is associated with the surface ( 110 ) of the tanks ( 4 ) for housing a residual water extraction device or a drying oven.  
     
     
         5 . Machine according to  claim 1 , characterized in that the said structure ( 1 ) has two upper longitudinal guides ( 102 ) with a bridge ( 5 ) driven into a sliding movement there along by a corresponding electric motor (MX), said bridge ( 5 ) making up a guiding element for a carriage ( 6 ) associated with an electric motor (MY) allowing the movement thereof along the same bridge, the carriage ( 6 ) supporting said means ( 60 ) for a movement from and to the surfaces ( 100 ,  101 ) under control of a corresponding electric motor or other equivalent actuator (MZ).  
     
     
         6 . Machine according to claims  1  and  5 , characterized in that the said means ( 60 ) consist of a clamp.  
     
     
         7 . Machine according to one or more preceding claims, characterized in that the said means ( 60 ) provide for carrying out the following operations: 
 removing the reel-holders ( 3 ) from the surface ( 100 ) to dispose them onto the tanks ( 4 );    removing the tanks-closing lids ( 40 ) to dispose them above the same tanks ( 4 ) before introducing the programmed dyeing bath therein;    removing the reel-holders ( 3 ) out of the tanks ( 4 ) to dispose them within the spaces of the centrifuges or ovens and dispose them from here, or directly from the tanks, onto the parking surface ( 100 ).    
     
     
         8 . Machine according to  claim 1 , characterized in that the said surfaces ( 100 ) and ( 101 ) are cascade-arranged in the direction of the longitudinal axis (x), and the tanks ( 4 ) are disposed according to the vertexes of a quadrilateral.  
     
     
         9 . Machine according to  claim 1 , characterized in that the said surfaces ( 100 ) and ( 101 ) are cascade-arranged in the direction of the transverse axis (y), and the tanks ( 4 ) are lined up in a direction parallel to the longitudinal axis (x).  
     
     
         10 . Machine according to one or more preceding claims, characterized in that each of said tanks ( 4 ) is associated with a corresponding pump ( 43 ) for the recirculation of the dyeing bath.  
     
     
         11 . Machine according to  claim 1 , characterized in that the upper face of the tanks ( 4 ) is provided with a ring nut ( 44 ) associated with a corresponding actuator ( 45 ) and intended to block the relevant lid ( 40 ) after introduction therein of the material to be treated.  
     
     
         12 . Machine according to claims  1  and  3 , characterized in that each lid ( 40 ) has a preset number of radial edges or appendixes ( 400 ).  
     
     
         13 . Machine according to  claim 12 , characterized in that the said radial edges ( 400 ) of lids ( 40 ) are in number of three, angularly spaced through 120°.  
     
     
         14 . Machine according to claims  1  and  3 , characterized in that each lid ( 40 ) is provided, in correspondence of its upper side or face, with a gripping appendix ( 401 ) intended to be engaged with, and respectively disengaged from said means ( 60 ).  
     
     
         15 . Machine according to claims  1  and  3 , characterized in that each lid ( 40 ) is provided, in correspondence of its lower side or face, with a central hollow appendix ( 402 ).  
     
     
         16 . Machine according to claims  1  and  2 , characterized each reel-holder ( 3 ) comprises a central hollow axis or shaft ( 30 ) onto which a reel ( 2 ) is manually fitted, a lower tray ( 31 ) and an upper tray ( 32 ) which are intended for cooperatively clamping the reel ( 2 ) from opposite sides, and a ring nut ( 33 ) for tightening the upper tray ( 32 ) onto the upper face of the reel ( 2 ): the upper tray ( 32 ) being suitably drilled in the centre to allow the positioning thereof onto the axis ( 30 ) at a level corresponding to the height of reel ( 2 ), the lower tray is centrally provided with a seat ( 34 ) to receive the lower face of the axis ( 30 ) and, on the opposite side, with a cup ( 35 ) allowing the centering thereof within the selected tank ( 4 ), each tank ( 4 ) being provided with a vertical, central appendix in correspondence of the respective lower face.  
     
     
         17 . Machine according to  claim 16 , characterized in that on the upper part of the shaft ( 30 ) an appendix ( 301 ) is provided intended for engagement with, and respectively release from said means ( 60 ).  
     
     
         18 . Plant for dyeing textile materials, characterized in that it comprises a machine (MT) according to one or more preceding claims, a machine (MD) for feeding the materials necessary for the preparation of a dyeing bath, and a dissolution unit (D) located between said machines, the said dissolution unit (D) being provided with means for receiving and dissolving solid and/or liquid products with which the said bath is obtained.  
     
     
         19 . Plant according to  claim 18 , characterized in that the said dissolution unit comprises a stationary structure ( 8 ) upon which a horizontal table or platform ( 80 ) is placed, the latter being associated with a rotary actuator allowing it to rotate about its central axis ( 82 ) and thereby allowing the positioning of a vessel ( 83 ) resting thereon, between a station (A) for receiving the products to be dissolved to form the dyeing bath, and a station (B) wherein the very dissolution takes place.  
     
     
         20 . Plant according to  claim 18 , characterized in that the said dissolution means comprise a mixer ( 84 ) solid to a vertical hollow shaft ( 85 ) which is associated with a corresponding electric motor ( 850 ) via a belt drive ( 851 ), the shaft ( 85 ) and mixer ( 84 ) being protected by a cylindrical stationary screen ( 88 ) which is fixed to said structure ( 8 ) and, in correspondence of its upper face has a sealing gasket ( 880 ) and a port for the hollow shaft ( 85 ) to go through.  
     
     
         21 . Plant according to claims  18 - 20 , characterized in that the said vessel ( 83 ) and said screen ( 88 ) cooperate to delimit a sealed dissolution chamber, delimited below and laterally by the vessel ( 83 ) and above by the upper face of the screen ( 88 ).  
     
     
         22 . Plant according to claims  18 - 20 , characterized in that the said shaft ( 85 ) is connected to a fixed conduit ( 852 ) via a rotary joint ( 853 ).  
     
     
         23 . Plant according to  claim 18 , characterized in that said dissolution unit can be pressurized.  
     
     
         24 . Plant according to  claim 18 , characterized in that said dissolution unit (D) is connected to the pump ( 43 ) of each tank ( 4 ) via corresponding ducts ( 800 ) by-passed via three-way solenoid valves ( 801 ) associated with the central unit (UE).  
     
     
         25 . Plant according to claims  18  and  19 , characterized in that in correspondence of station (A), below table ( 80 ), an electronic scale ( 86 ) is disposed to weigh the quantity of solid products gradually introduced into the vessel ( 83 ), the said scale ( 86 ) being mounted on a support associated with an actuator cylinder having vertical axis ( 860 ).  
     
     
         26 . Plant according to claims  18  and  19 , characterized in that in correspondence of station (B) below platform ( 80 ) an actuator cylinder with vertical axis ( 87 ) is disposed allowing the vessel to be disposed in lifted position for the dissolution of the products being put therein and, vice versa, be re-positioned onto platform ( 80 ) upon completion of the dissolution and launch steps.