Inflatable flat winding chuck

An inflatable collet technology, applied in the field of inflatable flat rewinding collets, can solve the problems of large axial size, high cost, and large space occupation of the rewinding collet, and achieve stable airway control Convenience, guaranteed stability, stable effect
CN112919261AInactive Publication Date: 2021-06-08浙江华创机电科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
浙江华创机电科技有限公司
Publication Date
2021-06-08
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an inflatable flat winding chuck which comprises a chuck body, an end shaft is rotatably arranged on one side of the chuck body, a plurality of chuck expansion blocks are slidably arranged on the side, back to the end shaft, of the chuck body, sliding grooves matched with the chuck expansion blocks are formed in the chuck body, and the outer ends of the chuck expansion blocks can stretch out of the sliding grooves; a chuck cover plate is arranged at the ends, back to the chuck body, of the chuck expansion blocks, limiting blocks are arranged on the chuck body, sliding grooves matched with the limiting blocks are formed in the chuck expansion blocks, and first reset pieces matched with the limiting blocks are arranged in the sliding grooves; conical shafts are arranged between the chuck expansion blocks and the end shaft, and second reset pieces are arranged between the conical shafts and the chuck cover plate; the end surfaces of the conical shafts are matched with the chuck expansion blocks, and a synchronous belt wheel is arranged outside the chuck body; and a piston is arranged in the end shaft and rotationally connected with the conical shafts, and an air inlet channel matched with the piston is arranged in the end shaft. The inflatable flat winding chuck has the advantages that the inflatable flat winding chuck can be applied to winding of narrow materials and can reduce the narrow material winding cost while meeting the large opening diameter.
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Description

technical field

[0001] The present application relates to the technical field of winding chucks, in particular to an inflatable flat winding chuck. Background technique

[0002] Winding is the receiving part of the processing production line. The raw materials are mechanically wound into rolls. It is widely used in paper rolls, cloth rolls, plastic rolls, metal coils and other processing production lines. , roll outer diameter, roll material thickness and width, etc. have strict requirements. When winding and unwinding the coil, the air-expanding chuck is usually used. After inflation, the surface protrusions press the inner surface of the coil, and the protrusions on the deflated surface retract to loosen the inner surface of the coil. It needs to be kept during application. Gas pressure is needed to complete the surface compaction of the coiled material. The air expansion chuck in the prior art has the problem of large volume and large width of the chuck, and the cost is ...

Claims

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