Method and device for inserting inserts (cores) into female molds of a rotary tableting press
First Claim
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1. A device for inserting single-feed inserts into female molds in a rotary tableting press, comprising:
- a core feeder mechanism comprising a rotary conveyor comprising positioning pockets, wherein the pockets are configured to self-position the inserts,a core distributor having a drivable rotor comprising over its circumference at least one core receptacle configured to intersect with the female molds of the rotary tableting press-in a partial-circle, wherein the at least one core receptacle comprises;
a restrainer comprising gripper elements with gripper tongs configured to receive the inserts from the pockets in a receiving area of the pair of gripper tongs situated below the pockets, wherein the gripper tongs are further configured to insert, center and convey the inserts, andat least one plunger attached to the core distributor situated above a receiving area of a pair of gripper tongs,wherein the gripper tongs and the plunger are pneumatically controlled by a control cam, andwherein the gripper elements are operated via pneumatic control valves which are arranged in the core distributor and are controllable by the control cam to eject the core downward out of the pair of said gripper tongs via said plunger.
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Abstract
The invention relates to a method for inserting inserts (cores) into female molds of a rotary tableting press. The inserts are inserted individually into one female mold each of a rotating rotor of the rotary tableting press by separating the inserts from a nonspecific quantity by means of a feeder mechanism, feeding them to a core distributor and aligning them from there with the female molds in a precisely defined position and delivering the inserts to the female molds in this position.
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Citations
11 Claims
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1. A device for inserting single-feed inserts into female molds in a rotary tableting press, comprising:
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a core feeder mechanism comprising a rotary conveyor comprising positioning pockets, wherein the pockets are configured to self-position the inserts, a core distributor having a drivable rotor comprising over its circumference at least one core receptacle configured to intersect with the female molds of the rotary tableting press-in a partial-circle, wherein the at least one core receptacle comprises; a restrainer comprising gripper elements with gripper tongs configured to receive the inserts from the pockets in a receiving area of the pair of gripper tongs situated below the pockets, wherein the gripper tongs are further configured to insert, center and convey the inserts, and at least one plunger attached to the core distributor situated above a receiving area of a pair of gripper tongs, wherein the gripper tongs and the plunger are pneumatically controlled by a control cam, and wherein the gripper elements are operated via pneumatic control valves which are arranged in the core distributor and are controllable by the control cam to eject the core downward out of the pair of said gripper tongs via said plunger. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A device for inserting single-feed inserts into female molds in a rotary tableting press, comprising:
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a core feeder mechanism comprising a rotary conveyor comprising positioning pockets, wherein said position pocket are elongated, comprise a positioning stop and are formed by the rotary conveyor and a guide surface positioned underneath the rotary conveyor and are configured to self-position the inserts at the positioning stop, a core distributor having a drivable rotor comprising over its circumference at least one core receptacle configured to intersect with the female molds of the rotary tableting press in a partial-circle, wherein the at least one core receptacle comprises; a restrainer comprising gripper elements with gripper tongs configured to receive, insert, center and convey the inserts, and at least one plunger attached to the core distributor situated above the receiving area of the pair of gripper tongs, wherein the gripper tongs and plunger are pneumatically controlled by a control cam, and wherein the gripper elements are operated via pneumatic control valves which are arranged in the core distributor and are controllable by the control cam to eject the core downward out of the pair of said gripper tongs via said plunger. - View Dependent Claims (10, 11)
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Specification