Arrangement for a double-activing press

Abstract

Described is an arrangement for a double acting press, whereby a press is constructed with vertically opposed moving faces, both faces are capable of converging in a substantially parallel motion towards a predetermined point between them and then exert a compressive load. The press has a frame arrangement that contains the load. When a time period has elapsed the vertically opposed faces both diverge in a substantially parallel motion away from the predetermined point to a position from which they may begin the sequence again.

1 , An arrangement for a double acting press, comprising oppositely positioned working faces (h,j), that each demonstrate converging and then diverging motion to and from a predetermined position between the working faces, where by exerted pressure materials are shaped, the press is arranged with two moveable members (a,b) that are connected and spaced apart between the members (a,b) is a moveable member (e), during the operation of the press the relative movement of the members (a,b) and (e) is attained by an actuator that is arranged to expand and contract, the actuator moves the moveable member (e) until the movement of member (e) and the working face (h) is constrained relative to the base (n) by devices (k), then the actuation device causes the press frame (a,b,c,d) and working face (j) to move in a substantially opposite direction to the movement of member (e) and the working face (h).  
   
   
       2 , In a press arrangement as claimed in  claim 1 , whereby after a time period has elapsed the sequence of the press operation is reversed and the working faces (h,j) return to a position from which they may begin the sequence again.  
   
   
       3 , In a press arrangement as claimed in  claim 1 , whereby for the press arrangement ( FIG. 1 ) accompanying drawings sequence ( FIG. 3 ,  FIG. 4 ,  FIG. 5 ), the sequence of operation will close both the working faces.  
   
   
       4 , In a press arrangement as claimed in  claim 2 , whereby for the press arrangement ( FIG. 1 ) accompanying drawings sequence ( FIG. 3 ,  FIG. 4 ,  FIG. 5 ) reversed, the sequence of operation will open both the working faces.  
   
   
       5 , In a press arrangement as claimed in clam  1 , whereby for the press arrangement ( FIG. 2 ) accompanying drawings sequence ( FIG. 6 ,  FIG. 7 ,  FIG. 8 ) reversed, the sequence of operation will open both the working faces.  
   
   
       6 , In a press arrangement as claimed in  claim 2 , whereby for the press arrangement ( FIG. 2 ) accompanying drawings sequence ( FIG. 6 ,  FIG. 7 ,  FIG. 8 ), the sequence of operation will close both the working faces.  
   
   
       7 , In a press arrangement as claimed in  claims 1  to  6 , whereby the press's actuator is a device consisting of an expanding and contracting container within which pressurised fluid increases/decreases in volume.  
   
   
       8 , In a press arrangement as claimed in  claims 1  to  6 , whereby the press's actuator is a device consisting of an expanding and contracting container within which pressurised gas increases/decreases in volume.  
   
   
       9 , In a press arrangement as claimed in  claims 1  to  6 , whereby the press's actuator has a rotating helix or screw thread arrangement.  
   
   
       10 , In a press arrangement as claimed in  claims 1  to  6 , whereby the press's actuator has an expanding knuckle arrangement.  
   
   
       11 , In a press arrangement as claimed in  claims 1  to  6 , whereby the press's actuator has a rotating crank mechanism.  
   
   
       12 , In a press arrangement as claimed in  claims 1  to  6 , whereby the actuator moves in at least two major and substantially opposite directions while expanding and also moves ill at least two major and substantially opposite directions while contracting.  
   
   
       13 , In a press arrangement as claimed in  claims 1  to  6 , whereby the actuator is a device capable of exerting a load greater than the mass of the press frame.  
   
   
       14 , In a press arrangement as claimed in  claims 1  to  6 , whereby the actuator employs variable stages of constant, accelerating and de-accelerating velocities when extending and contracting.  
   
   
       15 , In a press arrangement as claimed in  claims 1  to  6 , whereby the movement of the working faces (h,j) is constrained by devices (k).  
   
   
       16 , In a press arrangement as claimed in  claims 1  to  6 , whereby the movement of the working faces (h,j) is constrained by members (l,m).  
   
   
       17 , In a press arrangement as claimed in  claim 16 , whereby the devices (k) incorporate members (l,m).  
   
   
       18 , In a press arrangement as claimed in  claim 16 , whereby members (l,m) are rigid structural members capable of supporting a mass greater than the total mass of the press.  
   
   
       19 , In a press arrangement as claimed in  claim 16 , whereby members (l,m) are fixed in length.  
   
   
       20 , In a press arrangement as claimed in  claim 16 , whereby members (l,m) are adjustable in length.  
   
   
       21 , In a press arrangement as claimed in  claim 16 , whereby members (l,m) are configured to be secured to the press or the press base (n) or partly to both  
   
   
       22 , In a press arrangement as claimed in  claim 16 , whereby members (l,m) are vertically arranged.  
   
   
       23 , In a press arrangement as claimed in  claim 15 , whereby devices (k) are buffers.  
   
   
       24 , In a press arrangement as claimed in  claim 15 , whereby devices (k) are linear de-accelerators.  
   
   
       25 , In a press arrangement as claimed in  claim 24 , whereby devices (k) operate by mechanical deformation, such as by spring/s or elastomers.  
   
   
       26 , In a press arrangement as claimed in  claim 24 , whereby devices (k) operate by using the resistance of a fluid in a hydraulic cylinder, cushion or dashpot.  
   
   
       27 , In a press arrangement as claimed in  claim 24 , whereby devices (k) operate by using the resistance of a gas in a pneumatic cylinder, cushion or dashpot.  
   
   
       28 , In a press arrangement as claimed in  claim 24 , whereby devices (k) creates simultaneous movement of the working faces (h,j).  
   
   
       29 , In a press arrangement as claimed in  claims 1  to  6 , whereby the moveable member (e) is arranged with upper and lower faces.  
   
   
       30 , In a press arrangement as claimed in  claims 1  to  6 , whereby the press is configured so the motion of the working faces (h,j) is substantially parallel and vertical.  
   
   
       31 , In a press arrangement as claimed in claims  1 ,  2 ,  3  and  4  ( FIG. 1 ,  FIG. 3 ,  FIG. 4 ,  FIG. 5 ) wherein the main components of the actuation device are positioned substantially to the upper side of the moveable member (e).  
   
   
       32 , In a press arrangement as claimed in claims  1 ,  2 ,  5  and  6  ( FIG. 2 ,  FIG. 6 ,  FIG. 7 ,  FIG. 8 ) wherein the main components of the actuation device are positioned substantially to lower side of the moveable member (e).  
   
   
       33 , In a press arrangement as claimed in  claims 1  to  6 , whereby the actuation device is constructed as an interlocking cylinder and plunger (g) arrangement with a sealed interface.  
   
   
       34 , In a press arrangement as claimed in  claims 1  to  6 , whereby cellular materials are shaped.  
   
   
       35 , In a press arrangement as claimed in  claims 1  to  6 , whereby during relevant directions of motion the actuation device is assisted by gravity.  
   
   
       36 , In a press arrangement as claimed in  claims 1  to  6 , whereby supported upon the working faces (h,j) tooling is configured to perform a variety of functions such as shaping, punching, cutting, forming, drawing, moulding and others.  
   
   
       37 , A arrangement for a press as substantially described herein with reference to  FIGS. 1-8  of the accompanying drawings.