Fixture for holding metals parts for bending or twist correction

A fixture for supporting a workpiece on a press for bending and/or twist correction of the workpiece, the press being of the type having a workpiece support area and a movable ram, said fixture comprising:

• a base adapted for support on the press workpiece support area;
• a pair of workpiece supports, said workpiece supports being mounted at spaced locations on said base, and each including a bearing having a workpiece mount for receiving a workpiece therein, the workpiece being supported along a support axis for engagement by the press ram intermediate said workpiece supports for bending correction when mounted in said workpiece mounts in said bearings, said bearings each allowing movement in at least one plane including the support axis when the workpiece is engaged by the press ram and rotationally around the support axis;
• at least one of said workpiece supports including a rotation restricting member connected to the one bearing in one of said workpiece supports to restrict rotational movement of said one bearing and a first workpiece portion supported therein around the support axis while allowing movement of said one bearing and at least the first workpiece portion in the plane of the support axis;
• and
• the other of said workpiece supports including a rotation imparting member connected to the other of said bearings and adapted for movement by the press ram, said rotation imparting member imparting rotational movement to said other bearing and second workpiece portion supported therein around the support axis when moved by the press ram such that the rotational position of the second workpiece portion is changed with respect to the rotational position of the first workpiece portion for twist correction of the workpiece;
• an arm pivotally mounted on said fixture, said arm engaging said rotation imparting member and adapted to be pivoted by movement of the press ram to change the rotational position of said rotation imparting member.

A fixture for supporting a workpiece on a press for bending and/or twist correction of the workpiece, the press being of the type having a workpiece support area and a movable ram, said fixture comprising:

• a base adapted for support on the press workpiece support area;
• a pair of workpiece supports, said workpiece supports being mounted at spaced locations on said base, and each including a bearing having a workpiece mount for receiving a workpiece therein, the workpiece being supported along a support axis for engagement by the press ram intermediate said workpiece supports for bending correction when mounted in said workpiece mounts in said bearings, said bearings each allowing movement in at least one plane including the support axis when the workpiece is engaged by the press ram and rotationally around the support axis;
• at least one of said workpiece supports including a rotation restricting member connected to the one bearing in one of said workpiece supports to restrict rotational movement of said one bearing and a first workpiece portion supported therein around the support axis while allowing movement of said one bearing and at least the first workpiece portion in the plane of the support axis;
• and
• the other of said workpiece supports including a rotation imparting member connected to the other of said bearings and adapted for movement by the press ram, said rotation imparting member imparting rotational movement to said other bearing and a second workpiece portion supported therein around the support axis when moved by the press ram such that the rotational position of the second workpiece portion is changed with respect to the rotational position of the first workpiece portion for twist correction of the workpiece;
• the press ram being reciprocable;
• said fixture including an arm mounted thereon and engaging said rotation imparting member, said arm coverting reciprocating movement of the press ram to rotational movement of said rotation imparting member, said other bearing and said workpiece mount therein.

A fixture for supporting a workpiece on a press for bending and/or twist correction of the workpiece, the press being of the type having a workpiece support area and a movable ram, said fixture comprising:

• a base adapted for support on the press workpiece support area;
• a pair of workpiece supports, said workpiece supports being mounted at spaced locations on said base, and each including a bearing having a workpiece mount for receiving a workpiece therein, the workpiece being supported along a support axis for engagement by the press ram intermediate said workpiece supports for bending correction when mounted in said workpiece mounts in said bearings, said bearings each allowing movement in at least one plane including the support axis when the workpiece is engaged by the press ram and rotationally around the support axis;
• at least one of said workpiece supports including a rotation restricting member connected to the one bearing in one of said workpiece supports to restrict rotational movement of said one bearing and a first workpiece portion supported therein around the support axis while allowing movement of said one bearing and at least the first workpiece portion in the plane of the support axis;
• and
• the other of said workpiece supports including a rotation imparting member connected to the other of said bearings and adapted for movement by the press ram, said rotation imparting member imparting rotational movement to said other bearing and a second workpiece portion supported therein around the support axis when moved by the press ram such that the rotational position of the second workpiece portion is charged with respect to the rotational position of the first workpiece portion for twist correction of the workpiece;
• said rotation restricting member including a projection connected to at least one of said bearings and a receptacle having walls extending parallel to the workpiece support axis, said projection extending into said receptacle such that said receptacle walls limit movement of said projection to a direction parallel to the support axis.

A fixture for supporting a workpiece on a press for twist correction of the workpiece, the press having a workpiece support area and a movable ram, said fixture comprising:

• a base adapted for support on the press workpiece support area;
• a pair of workpiece supports, said workpiece supports being mounted at spaced locations on said base and each including a bearing having a workpiece mounted for receiving a workpiece therein, the workpiece being supported alone a support axis when mounted in said workpiece mounts in said bearings of said spaced workpiece supports, said bearings each allowing at least rotational movement around the support axis;
• at least one of said workpiece supports including a rotation restricting member connected to the one bearing in one of said workpiece supports to restrict rotational movement of said one bearing and a first workpiece portion supported therein around the support axis;
• the other of said workpiece supports including a rotation imparting member connected to the other of said bearings and adapted for movement by the press ram, said rotation imparting member imparting rotational movement to said other bearing and second workpiece portion supported therein rotationally around the support axis when moved by the press ram such that the rotational position of the second workpiece portion is changed with respect to the rotational position of the first workpiece portion for twist correction of the workpiece;
• an arm pivotally mounted on said fixture, said arm engaging said rotation imparting member and adapted to be pivoted by movement of the press ram to change the rotational position of said rotation imparting member.

A fixture for supporting a workpiece on a press for twist correction of the workpiece, the press having a workpiece support area and a movable ram, said fixture comprising:

• a base adapted for support on the press workpiece support area;
• a pair of workpiece supports, said workpiece supports being mounted at spaced locations on said base and each including a bearing having a workpiece mount for receiving a workpiece therein, the workpiece begin supported along a support axis when mounted in said workpiece mounts in said bearings of said spaced workpiece supports, said bearings each allowing at least rotational movement around the support axis;
• at least one of said workpiece supports including a rotation restricting member connected to the one bearing in one of said workpiece supports to restrict rotational movement of said one bearing and a first workpiece portion supported therein around the support axis;
• the other of said workpiece supports including a rotation imparting member connected to the other of said bearings and adapted for movement by the press ram, said rotation imparting member imparting rotational movement to said other bearing and a second workpiece portion supported therein rotationally around the support axis when moved by the press ram such that the rotational position of the second workpiece portion is changed with respect to the rotational position of the first workpiece portion for twist connection of the workpiece;
• the press ram being reciprocable;
• said fixture including an arm mounted thereon and engaging said rotation imparting member, said arm coverting reciprocating movement of the press ram to rotational movement of said rotation imparting member, said other bearing and said workpiece mount therein.

A fixture for supporting a workpiece on a press for twist correction of the workpiece, the press having workpiece support area and a movable ram, said fixture comprising:

• a base adapted for support on the press workpiece support area;
• a pair of workpiece supports, said workpiece supports being mounted at spaced locations on said base and each including a bearing having a workpiece mount for receiving a workpiece therein, the workpiece being supported along a support axis wherein mounted in said workpiece mounts in said bearings of said spaced workpiece supports, said bearings each allowing at least rotational movement around the support axis;
• at least one of said workpiece supports including a rotation restricting member connected to the one bearing in one of said workpiece supports to restrict rotational movement of said one bearing and a first workpiece portion supported therein around the support axis;
• the other of said workpiece supports including a rotation imparting member connected to the other of said bearings and adapted for movement by the press ram, said rotation imparting member imparting rotational movement to said other bearing and a second workpiece portion supported therein rotationally around the support axis when moved by the press ram such that the rotational position of the second workpiece portion is changed with respect to the rotational position of the first workpiece portion for twist correction of the workpiece;
• said rotation restricting member including a projection connected to at least one of said bearings and a receptacle having walls extending parallel to the workpiece support axis, said projection extending into said receptacle such that said receptacle walls limit movement of said projection to a direction parallel to the support axis.

A fixture for supporting a workpiece on a press for bending correction of the workpiece, the press being of the type having a workpiece support area and a movable ram, said fixture comprising:

• a base adapted for support on the press workpiece support area;
• a pair of workpiece supports, said workpiece supports being mounted at spaced locations on said base and each including a bearing having a mount for receiving a workpiece therein, the workpiece being supported along a support axis for engagement by the press ram intermediate said workpiece supports for bending correction when mounted in said workpiece mounts in said bearings, said bearings each allowing movement in at least one plane including the support axis when the workpiece is engaged by the press ram;
• said bearings each also allowing rotation around the support axis;
• at least one of said workpiece supports including a rotation restricting member connected to the one bearing in one of said workpiece supports to restrict rotational movement of said one bearing and a first workpiece portion supported therein around the support axis while allowing movement of said one bearing and at least the first workpiece portion in the plane of the support axis when the workpiece is engaged by the press ram;
• the other of said workpiece supports including a rotation imparting member connected to the other of said bearings and adapted for movement by the press ram said rotation imparting member imparting rotational movement to said other bearing and a second workpiece portion supported therein rotationally around the support axis when moved by the press ram such that the rotational position of the second workpiece portion is changed with respect to the rotational position of the first workpiece portion;
• and
• an arm pivotally mounted on said fixture, said arm engaging said rotation imparting member and adapted to be pivoted by movement of the press ram to change the rotational position of said rotation imparting member.

A fixture for supporting a workpiece on a press for bending correction of the workpiece, the press being of the type having a workpiece support area and a movable ram, said fixture comprising:

• a base adapted for support on the press workpiece support area;
• a pair of workpiece supports, said workpiece supports being mounted at spaced locations on said base and each including a bearing having a mount for receiving a workpiece therein, the workpiece being supported along a support axis for engagement by the press ram intermediate said workpiece supports for bending correction when mounted in said workpiece mounts in said bearings, said bearings each allowing movement in at least one plane including the support axis when the workpiece is engaged by the press ram;
• said bearings each also allowing rotation around the support axis;
• at least one of said workpiece supports including a rotation restricting member connected to the one bearing in one of said workpiece supports to restrict rotational movement of said one bearing and a first workpiece portion supported therein around the support axis while allowing movement of said one bearing and at least the first workpiece portion in the plane of the support axis when the workpiece is engaged by the press ram;
• the other of said workpiece supports including a rotation imparting member connected to the other of said bearings and adapted for movement by the press ram, said rotation imparting member imparting rotational movement to said other bearing and a second workpiece portion supported therein rotationally around the support axis when moved by the press ram such that the rotational position of the second workpiece portion is changed with respect to the rotational position of the first workpiece portion;
• the press ram being reciprocable;
• said fixture including an arm mounted thereon and engaging said rotation imparting member, said arm coverting reciprocating movement of the press ram to rotational movement of said rotation imparting member, said other bearing and said workpiece mount therein.

A fixture supporting a workpiece on a press for bending correction of the workpiece, the press being of the type having a workpiece support area and a movable ram, said fixture comprising:

• a base adapted for support on the press workpiece support area;
• a pair of workpiece supports, said workpiece supports being mounted at spaced locations on said base and each including a bearing having a mount for receiving a workpiece therein, the workpiece being supported along a support axis for engagement by the press ram intermediate said workpiece supports for bending correction when mounted in said workpiece mounts in said bearings, said bearings each allowing movement in at least one plane including the support axis when the workpiece is engaged by the press ram;
• said bearings each also allowing rotation around the support axis;
• at least one of said workpiece supports including a rotation restricting member connected to the one bearing in one of said workpiece supports to restrict rotational movement of said one bearing and a first workpiece portion supported therein around the support axis while allowing movement of said one bearing and at least the first workpiece portion in the plane of the support axis when the workpiece is engaged by the press ram;
• said rotation restricting member including a projection connected to at least one of said bearings and a receptacle having walls extending parallel the workpiece support axis, said projection extending into said receptacle such that said receptacle walls limit movement of said projection to a direction parallel to the support axis.