Folding roller module with combined bearing unit

Abstract

A folding roller module with combined bearing unit is disclosed. The folding roller module of the present invention comprises a folding roller and a plurality of combined bearing unit. In the present invention, a plurality of combined bearing unit are used to support the folding roller at suitable locations for enhancing the strength of the folding roller module, reducing the deformation of the folding roller, and reducing the vibration during operation.

Claims

1. A folding roller module with combined bearing unit, comprising: a folding roller having a shaft and a plurality of spaced folding wheels disposed on the shaft, each of the folding wheels being spaced one from another by a gap to define a respective recess therebetween, each recess being radially spaced from the shaft; and a plurality of combined bearing units supporting the folding roller, wherein each of the combined bearing units includes a frame, two C-bearings, and a cap for supporting the folding roller at a suitable location, the two C-bearings of each of the plurality of combined bearing units being disposed in a corresponding one of the recesses.

2. The folding roller module as claimed in claim 1, wherein the C-bearings of each of the combined bearing units are secured by the frame and the cap.

3. The folding roller module as claimed in claim 1, wherein the cap of each of the combined bearing units is fastened to the frame by one or more bolts.

4. The folding roller module as claimed in claim 1, wherein each of the folding wheels comprises a plurality of tips and a plurality of grooves disposed alternately on the folding wheel, wherein a distance between each tip and an adjacent groove is constant.

5. The folding roller module as claimed in claim 4, wherein a plurality of suction holes are disposed around the tips and the grooves of each of the folding wheels.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is schematic diagram of a folding apparatus according to the prior art.

(2) FIG. 2 is a schematic diagram of a folding roller module with combined bearing unit in accordance with one embodiment of the present invention.

(3) FIG. 3 is a schematic enlarged partial view of the folding roller module with combined bearing unit in accordance with the embodiment shown in FIG. 2.

(4) FIG. 4 is another schematic enlarged partial view of the folding roller module with combined bearing unit in accordance with the embodiment shown in FIG. 2.

(5) FIG. 5 is a sectional partial view of the folding roller module with combined bearing unit in accordance with the embodiment shown in FIG. 2.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

(6) Referring to FIGS. 2-5, a schematic diagram, schematic enlarged partial views, and a sectional partial view of a folding roller module with combined bearing unit in accordance with one embodiment of the present invention are illustrated. In the present embodiment, the folding roller module 20 with combined bearing unit comprises a folding roller 22 and a plurality of combined bearing unit 26.

(7) The folding roller 22 comprises a shaft 221 and a plurality of folding wheels 223. Each of the combined bearing unit 26 comprises a frame 261, two C-bearings 265, and a cap 263. In the present embodiment, the plurality of combined bearing unit 26 can support the folding roller 22 at suitable locations for enhancing the strength of the folding roller module 20, reducing the deformation of the folding roller 22, and reducing the vibration during operation.

(8) In one embodiment of the present invention, each of the folding wheels 223 is disposed on the shaft 221 and is separated to each other by a gap 229. The combined bearing units 26 are disposed in the gaps of suitable locations for supporting the folding roller 22.

(9) In one embodiment of the present invention, the C-bearings 265 of the combined bearing unit 26 are disposed around the shaft 221 in the gap 229 and secured by the frame 261 and the cap 263.

(10) In one embodiment of the present invention, tapped holes (not shown) and through holes 264 are disposed on the frame 261 and the cap 263 respectively. The cap 263 is fastened to the frame 261 by bolts 267.

(11) In one embodiment of the present invention, each of the folding wheels 223 comprises a plurality of tips 225 and a plurality of grooves 227 disposed on the folding wheel 223 alternately with suitable distance.

(12) In one embodiment of the present invention, a plurality of suction holes 224 are disposed around the tips 225 and the grooves 227. The web material is sucked and attached to the surface of the folding wheel 223.

(13) By using the folding roller module 20 with combined bearing unit of the present invention, a plurality of combined bearing unit 26 can support the folding roller 22 at suitable locations for enhancing the strength of the folding roller module 20, reducing the deformation of the folding roller 22, and reducing the vibration during operation.

(14) Although particular embodiments of the invention have been described in detail for purposes of illustration, various modifications and enhancements may be made without departing from the spirit and scope of the invention. Accordingly, the invention is not to be limited except as by the appended claims.