Patent GB-190702900-A (GB)
Title: Improvements in Cigar Machines.
Inventor: RANSFORD ROBERT BOLTON
Filed: 1907-02-05
Granted: 1907-09-12
Abstract: 2900. Ransford, R. B., [International Cigar Machinery Co.]. Feb. 5. Cigars.-Cigar bunches, delivered from the bunchforming mechanism, are shaped, enclosed in wrappers, re-rolled, and delivered, and faulty cigars are re-presented to the wrapping-mechanism automatically. The bunch from the rolling-table 75, Fig. 1, is received by a group of manipulating- rolls 103 consisting of four rolls formed as shown in Fig. 9, the various roll sections having the same diameter as those of the parts of the bunch in contact with them, in order to obtain the same angular velocity throughout the length of the cigar. The roll sections are geared together as shown, and are mounted on rods 111, 112, Fig. 11, which are driven by spar gears 110 mounted on shafts 116. In order to receive the bunch, the two upper rolls are arranged to move apart, and to this end are mounted in swinging frame pieces 114 supported on the shafts 116. The pieces 114 are caused to swing by means of a lever 118 mounted on a rock-shaft 119, Fig. 9, which is operated through an arm 121, cam 122 on a shaft 123, and worm gearing from the shaft 125. The gears driving the roll sections are driven through gears 126, 127, and a sliding clutch 128 from the shaft 125. This clutch 128 may be operated at the proper times by a cam 131 mounted on the shaft 123. After manipulation, the bunch is delivered to the wrapping-mechanism, which is located directly over the manipulating-rolls, by means of lifter pins 132 operated by the slide 134, Fig. 1. The wrapping-mechanism includes one large roll 139 and two smaller rolls 139<1>, Fig. 17. The roll 139 consists of a tapered section 142, Fig. 14, fast on the shaft aud loose tapered collars 143, and the rolls 139' are made up of corrugated intergeared sections; all the rolls are caused to conform to the shape of the bunch, and are driven by means of pinions 141, 144 from the shaft 152 through intermediate gearing. In order to receive the bunch, the lower rolls 139<1> are mounted in arms 145, Fig. 15, pivoted at 146 and caused to swing by means of links 147 attached to the camever 148 operated by a cam-groove 150. The wrappers are conveyed from the cutting-device to the wrapper mechanism by two suction carriers 156, 157, Fig. 6, which swing about a hollow standard 167 in communication with an air-exhausting device. This swinging motion is produced by means of a hub 174 having four arms 176, Figs. 6 and 8, provided with pivoted latches 177 arranged to engage successively with the notched parts 178, 179 of the swinging arms 160, 162 by means of spring pins 180. The hub 174 is driven by means of a worm gear 175 and a slidablymounted worm 183 driven from the main shaft by bevel-gearing 185, 186, Fig. 8. The wrappers are cut by a roller 198 co-operating with a knife or die 195 enclosed in a chamber 193 in the table 192. This roller 198 is pivotally mounted on a slide, which is reciprocated by levers from a link 205 and crank-arm 206 operated by a gear 208 and an interrupted gear 209 mounted on a shaft 210, Fig. 8. When a wrapper support, for example the support 157, is in position below the cutting-die, the latch 177 is thrown out of gear by means of a roller 224 and a cam 181 fixed to the underside of the table 182. The sleeve 159 is then caused to rise to enable the wrapper support to occupy the space within the cutting-die by means of a shoulder on the slide 217, Fig. 8, which is operated by a lever 219 from a suitable cam. After the wrapper has been cut, the wrapper support descends and is caused to swing by the other wrapper support until a latch 177 registers with one of the notches. In order to accommodate the wrapper to the tapered bunch for every position of the wrapping, two camrolls 225, 226 on the sleeve 163 engage in camgrooves 227, 228, Figs. 4 and 8, on the table 182, and an endlong movement is given to the wrapping- mechanism, which is supported on rolls 137, Fig. 1, rolling in guideways, by means of a lever 229 and a cam-drum 191, Fig. 8. When, during the swinging motion of the arm 162, the cam 225 enters the switch block 232, Figs. 4 and 8, the latter is thrown over to the position shown in Fig. 4, and the tuck end of the wrapper is presented to the bunch, while the swinging motion of the arm 162 is diminished by giving the worm 183 a backward sliding movement by means of a lever 190, Figs. 6 and 8, operated from a cam-drum 191. As the wrapping proceeds, the switch block is caused to register with the cam-groove 227, and the further swinging movement of the arm 162 causes the roll 225 to enter the cam-groove 227 and turn the wrapper into the position indicated in dotted lines at the right of Fig. 4 to wind the wrapper around the tip. The tuck end of the wrapper is placed in position between the wrapping-rolls by means of a spring finger 236, Fig. 14, which enters a slot 241, Fig. 6, in the wrapper support. The finger is operated by a link 238 and a lever 239 having a roll acting in conjunction with a cam 240. A stud 242, held against a cam 243, keeps the finger down until it enters the slot. To guide the wrapper to the bunch, a controlling-device is employed, consisting of a plate 247, Fig. 15, which rests on, and follows the movements of the wrapper. This plate is carried by a bell-crank 248, 250 which is caused to slide on a bar 249 by means of a lever 252 operated from a cam 151, a cam 258 being employed to maintain the plate 247 in its several positions. The wrapped bunch is then transferred to the finishing- devices by means of a pair of grippers 260, 261, Fig. 1. These finishing-devices include two brushes 265, 266, Fig. 19, and a cup-shaped ironing-device 267 having a slot through which the brush 265 operates. The brushes and ironing-device rotate about the axis of the cigar, while the brushes also rotate about their own axis by means of an epicyclic train 276, 277, 280. These finishing- devices are capable of sliding lengthways by means of a shaft 269 and a lever 281 operated from a cam drum 285. The cigar is then transferred to a rerolling device, which consists of a tapered roll 286 and a plate 287 curved and tapered to correspond with the roll. This roll is given an oscillating movement by means of a rack 294, the oscillations being such as to cause the cigar to advance between the roll and the plate, and eventually to be discharged. The plate 287, Fig. 1, is mounted on a rock-shaft 288 to enable the cigar to be introduced into the re-rolling device. Imperfect cigars are stripped of their wrappers and re-introduced into the machine by means of gripper fingers 306, Fig. 1, mounted on an arm 297. This arm is operated by a slide 299, the swinging motion being obtained by means of rolls 302, 303 which engage in camgrooves 304, 305, while an ejector 307 delivers the bunch.