EP0064088A1 - Maschine zum Anbringen von Kennzeichen auf Tennisball-Filzen - Google Patents

Maschine zum Anbringen von Kennzeichen auf Tennisball-Filzen Download PDF

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Publication number
EP0064088A1
EP0064088A1 EP81103312A EP81103312A EP0064088A1 EP 0064088 A1 EP0064088 A1 EP 0064088A1 EP 81103312 A EP81103312 A EP 81103312A EP 81103312 A EP81103312 A EP 81103312A EP 0064088 A1 EP0064088 A1 EP 0064088A1
Authority
EP
European Patent Office
Prior art keywords
felts
conveyor
felt
stack
shuttle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP81103312A
Other languages
English (en)
French (fr)
Inventor
Daniel Kerwin
Victor Trentadue
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meyercord Co
Original Assignee
Meyercord Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meyercord Co filed Critical Meyercord Co
Priority to EP81103312A priority Critical patent/EP0064088A1/de
Publication of EP0064088A1 publication Critical patent/EP0064088A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B45/00—Apparatus or methods for manufacturing balls
    • A63B45/02—Marking of balls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
    • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
    • B44C1/17—Dry transfer
    • B44C1/1712—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/02—Devices for moving articles, e.g. containers, past labelling station

Definitions

  • Apparatus in accordance with the present invention comprises a conveyor having an input end and a removal end.
  • a destacking mechanism places felts on the conveyor at the input end and a restacking mechanism at the removal end removes the felts from the conveyor and restacks them.
  • At least one applicator is provided between the input and removal ends for applying decals to the felts while they are on the conveyor.
  • the destacking mechanism includes means for supporting a stack of felts, a movable knife for separating the lowermost felt from the remainder of the stack, and a vacuum head for supporting the lowermost felt during the separating operation and for transferring a separated felt to the conveyor.
  • the restacking mechanism includes a rotatable shuttle, means for removing the felts from the conveyor and for placing the felts in the shuttle, a restacking magazine, and means for removing the felts from the shuttle and stacking them in the restacking magazine.
  • the machine 10 is indicated generally by the reference numeral 10 and is designed to apply decals to tennis ball felts.
  • the machine 10 includes an endless conveyor 11 for moving tennis ball felt past two decal applicators 12 and 13, a destacking mechanism 14 for separating felts from stacks of felts and placing the felts on the input end of the conveyor 11, and a restacking mechanism 15 for removing the felts from the removal end of the conveyor 11 and stacking them in magazines of the restacking mechanism 15.
  • the machine 10 further includes a frame 16 for supporting the various operating parts, and a drive mechanism (to be described later) for driving the various parts in synchronism.
  • the construction of the frame 16 may be conventional in nature and does not form part of the present invention. While the machine 10 may be constructed to handle the felts one at a time, it is preferred that the machine be designed, as illustrated in the drawings, to handle the felts in pairs in order to double the speed of operation.
  • the machine operation is that the drive mechanism moves the conveyor 11 in the clockwise direction as seen in Fig. 1 in an intermittent type of motion.
  • the applicators 12 and 13 place decals on felts which are in proper positions in front of the machines
  • the destacking mechanism 14 places two felts in side-by-side relation on the conveyor 11, and the restacking mechanism removes two felts from the conveyor 11 and stacks them in magazines of the restacking mechanism.
  • the drive mechanism moves the conveyor 11 forwardly, which is in the clockwise direction, a distance equal to two decals on the conveyor 11, and then stops again while the previously described events occur once again in the next cycle.
  • the conveyor 11 is best illustrated in Figures 2 through 5, and it includes two side-by-side link chain sections 21 and 22.
  • Each of the sections 21 and 22 consists of a series of substantially square plates 23 which are linked together, and the two sections 21 and 22 are trained around two sprockets 24 and 25 at the opposite ends of the machine.
  • the sprockets 24 and 25 are intermittently driven in order to move the chains 21 and 22 clockwise, as previously mentioned.
  • the upper runs 21a and 22a of the chain sections slide on stationary vertically elongated bars 26 which support the upper runs 21a and 22a so that they will not sag while the decals are being applied to the felts.
  • each of the square plates 23 On the outer side of each of the square plates 23 is provided a plurality of guide pins 28.
  • the pins 28 on each of the plates 23 are spaced apart around the laterally outer edges so that a felt, indicated by the reference numeral 29 in Fig. 4, may be received between the pins 28 of an associated pair of the plates 23.
  • the pins 28 hold the felts in place on the plates during movement of the conveyor.
  • the destacking mechanism .14 is shown in greater detail in Figs. 3 through 8, and includes two vertically extending magazines 41 and 42, each of which is shaped to receive a stack of the felts 29.
  • one side of each felt 29 is coated with an adhesive compound and the opposite side is covered with a fuzzy material.
  • the felts 29 are stacked in the magazines with the fuzzy sides facing downwardly, and the felts in each stack are slightly glued together because they are stacked before the adhesive is completely dry.
  • the adhesive coated side is vulcanized to the outer surface of an inner sphere after leaving the machine 10, to form a tennis ball.
  • the adhesive is applied to one side of a large sheet of the felt material and usually about five of the large sheets are stacked one on top of the other, and the stacked sheets are fed through a stamping machine which cuts out the felts.
  • the adhesive is usually not completely dry when the large sheets are stacked, this wetness of the adhesive plus the pressure applied on the sheets at the time that the felts are cut causes the felts to stick together.
  • the destacking mechanism 14 in accordance with the present invention separates the felts even though they may be stuck together.
  • the two magazines 41 and 42 are mounted above the conveyor 21 as is best shown in Figs. 3 and 5.
  • the two magazines 41 and 42 are fastened to and are supported by vertically extending bars 43 and 44 (Fig. 3) which are supported by frame members of the machine.
  • Movably mounted below the lower ends of the two magazines 41 and 42 are two heads or paddles 46 and 47 (Figs. 5, 6 and 8), and a blade 48.
  • the two heads 4.6 .and 47 are movable from a first or upper position (shown in Fig. 5) where the upper surfaces of the two heads face upwardly and engage the lowermost felts of the stacks in the two magazines 41 and 42, and a second or lower position (Fig.
  • the two heads 46 and 47 have been pivoted 180° and spaced downwardly and where they place the separated felts on the conveyor 21.
  • the heads 46 and 47 are in the upper position, they support the two stacks of felts, and a vacuum holds the lowermost felts firm while the lowermost felts are being separated from the stacks by the blade 48.
  • the stacks are supported by the blade 48.
  • the two heads 46 and 47 are supported for vertical and pivotal movement by two vertically extending stationary plates 51 and 52 (Figs. 3 and 5) which in turn are supported by channels 53 and the frame 16.
  • the head comprises a flat plate 54 having a plurality of holes 56 formed through it, and the underside of the plate 54 has a channel or air passage 57 formed in a U-shaped head support 58.
  • the holes 56 in the plate 54 are in flow communication with the passage 57 and seals 59 are provided to seal the connections to the passage 57.
  • At each end of the support 58 is provided a coupling 61 which connects an air hose to the passage 57.
  • the couplings 61 connect with tubes 65 that extend through slots 66 (Figs.
  • the tubes 65 are sized to slide and pivot within the slots 66. Further connected to the two tubes 65 are two bars 67 and 68 located at the opposite -sides of the head support 58, between the support 58 and the two plates 51 and 52. The upper ends of the bars 67 and 68 are pivotably connected to the two tubes 65 in the area indicated at 69, and the two bars 67 and 68 extend downwardly from the support 58. With reference to Fig. 5, the lower ends of the two bars-67.and 68 are connected to a crossbar 71 which forms part of a carriage for moving the heads 46 and 47 upwardly and downwardly.
  • the bar 71 is located substantially straight below the two heads 46 and 47, and the two bars 67 and 68 are curved adjacent their upper ends so that they will clear lower two pivot connections 72 and 73 (Figs. 5 and 8), the curvature of the two bars 67 and 68 being indicated in Fig. 6 by the reference numeral 74.
  • the pivot rollers 72 and 73 engage the vertical legs of the support 58, and the two rollers 72 and 73 are rotatably mounted as indicated at 75 on the two plates 51 and 52.
  • the two rollers 72 and 73 extend into elongated slots 76 formed in the two vertical legs of the support 58, the two slots 76 extending vertically and being below the two tubes 65 when the heads 46 and 47 are in the uppermost position as shown in Figures 8 and 9.
  • the slot 66 formed in each of the vertically extending plates 51 and 52 is vertically elongated and curves around the pivot roller supports 74. Assuming that the heads 46 and 47 are initially in their upper positions as shown in Figs. 8 and 9, when the two bars 67 and 68 are pulled downwardly due to downward movement of the crossbar 71, the tubes 65 are moved downwardly in the slots 66 while, at the same time, the support 58 pivots about the rollers 72 and 73.
  • the heads 46 and 47 swing through a 180° arc as the tubes 65 are moved from the upper ends of the slots 66 to the lower end of the slots, and the rollers 72 and 73 both turn and move longitudinally in the slots 76 of the support 58 during this turning movement as shown in Figs..9 to 12.
  • the bars 67 and 68 are in their uppermost positions as shown in Figures 5, 8 and 9, the two heads 46 and 47, which are both carried by the support 58 as shown in Fig. 6, are in the upper positions and face the undersides of the two magazines.
  • the heads engage the lowermost felts, indicated by.the reference numerals 29a and 29b, of the stacks in the two magazines 41 and 42.
  • the heads 46 and 47 are pivoted 180° and face downwardly and are directly over the two sections 21 and 22 of the conveyor 11. This position is shown in Figure 12.
  • the control for the air supply to the tubes 65 is adjusted to release the felts 29a and 29b, and this is preferably done by applying a slight positive air pressure within the passage 57 and the holes 56 in order to push the felts off of the heads and onto the conveyor plates between the guide pins 28.
  • the bars 67 and 68 are moved upwardly again in order to pivot the heads in the reverse direction and to return them to the position shown in Figure 9.
  • the two bars 67 and 68 are connected to the cross bar 71 by two pivotable connections indicated at 82 and 83.
  • the bar 71 is moved vertically,as seen in Fig. 5, by an air cylinder 84.
  • Two guide rods 86 guide the movement of the bar 71 as the bar 71 is moved in a reciprocating motion by the piston rod 87 of the air cylinder 84.
  • the two pivotal connections 82 and 83 permit the two bars 67 and 68 to pivot slightly as the two tubes 65 follow the curvature of the slots 66.
  • the blade 48 is in a horizontal plane and is located just below the lower ends of the two magazines 41 and 42 and just above the level of the upper sides of the heads 46 and 47 when the heads are in their uppermost positions.
  • the blade 48 consists of one broad blade having a width approximately equal to the dimension across the two magazines.
  • the blade is supported by three straps 91 and 92 on a carriage 93.
  • the carriage 93 is .movably mounted in a rectangular frame 94 formed by four side members 95, and the frame 94 further includes two tracks 96 and 97.
  • the two tracks 96 and 97 have horizontally extending slots 99 formed in their sides which are adjacent the blade 48, and two pairs of rollers 101 fastened to the four corners of the carriage 93 and fit in the slots 99.
  • the axes of the rollers 101 are horizontally disposed and the rollers support the carriage as will be apparent from Figure 7.
  • Four additional rollers 103 at the corners of the carriage 93 engage the vertical sides of the tracks 96 and 97, and the rollers 103 prevent horizontal movement laterally as seen in Figure 7.
  • the carriage is mounted for rolling movement on the tracks 9.6 and 97 and the carriage including the blade 48 is moved by an air cylinder 1.06 (Fig. 4).
  • the cylinder 106 is fastened to a side 95 of the. rectangular frame 94 and the piston rod 107 of the cylinder 106 is fastened to a bar 108 that forms part of the carriage 93.
  • actuation of the air cylinder 106 moves the rod 107 in a reciprocating movement and results in the carriage 93 moving between a retracted position shown in Fig. 4 and an extended position where the blade 48 is underneath the two stacks of the felts in the magazine as shown in Figure 9.
  • the blade 48 is displaced upwardly and is below the two magazines 41 and 42.
  • a shock absorber 109 and a stop 111 which respectively cushions the stop of the carriage and forms a final stop at the extended position.
  • another member 95 supports another shock absorber 113 that cushions the stop of the carriage when the carriage reaches the retracted position.
  • the spacing of the blade 48 above the two heads 46 and 47 is approximately equal to the thickness of the felts 29a and 29b so that the blade moves through the two stacks just immediately above the two lowermost felts.
  • the leading edge of the blade is relatively sharp and the movement of the blade separates the two lowermost felts from the other felts, and after the blade has moved through the two stacks, the stacks are supported by the blade 48 which is then held in the extended position.
  • the felts of the stacks are held together by the adhesive, and the blade 48 serves to break the hold of the adhesive, or to sever the lowermost felts from the other felts.
  • the partial vacuum existing in the passages 57 and the holes 56 of the two heads firmly.holds the two lowermost felts 29a and 29b during this separating operation so that the lowermost felts are not-wrinkled or folded by the movement of the blade through the two stacks.
  • the two heads are pivoted 180° and moved downwardly as previously described and transfer the two felts to the conveyor.
  • the blade 48 supports the stacks as previously mentioned.
  • the heads are moved upwardly again and the blade 48 is retracted, permitting the two stacks of felts to shift downwardly until they are again supported on top of the two heads 46 and 47, thereby completing a cycle of operation.
  • the foregoing cycle is continuously repeated during the operation of the machine.
  • the restacking mechanism includes a pivotable shuttle 131 which has one side extending above the two conveyor sections 21 and 22, and the opposite side extending below a pair of vertically extending magazines 132 and 133.
  • the shuttle 131 includes .a lower circular plate 134 having four.openings 136 through 139 formed therein, the openings 136 and 137 being.formed in side by side relation at one side of the plate 134 and the other two openings 138 and 139 being similarly formed but 180° displaced from the openings 136 and 137.
  • An upper annular member 135 is secured to the plate 134 by braces 140 and stiffens the plate 134.
  • the shuttle 131 is rotatably supported by a vertical post or shaft 141 which is rotatably mounted on a plate 142 that forms part of the machine frame 16.
  • the lower end of the shaft 141 is connected to the output of a drive mechanism 146 and is connected to turn the shaft 141 and the shuttle 131.
  • the power input shaft 147 of the mechanism 146 is connected to a drive sprocket 148 which is driven from the main drive of the machine.
  • the mechanism 146 intermittently turns the shaft 141 and the shuttle 131 through an angle of 180°, between one position where the openings. 136 and 137 (Fig.
  • the restacking mechanism further includes a pair of pusher or lift pads 151 and 152 which are located below the shuttle openings 136 and 137.
  • the two lift pads 151 and 152 are substantially square in cross section and fit between the two sections 21 and.22 of the conveyor.
  • the pads 151 and 152 are mounted on the upper end of a lift shaft 153 which is operated by an air cylinder 154.
  • the shaft 153 supports the two pads 151 and 152 and alternately moves the pads 151 and 152 in a reciprocating motion .between a lower position, shown in ' Figure 13, and an upward position shown in Figure 15, where the upper surfaces of the two pads 151 and 152 are above the level of the lower plate 134 of the shuttle 131.
  • the pads 151 and 152 When the pads 151 and 152 are moved upwardly, they push two felts upwardly off of the conveyor and through the openings 136 and 137.
  • the size of the openings 136 and 137 is slightly smaller than the outer dimensions of the felts, and when the pads 151 and 152 are subsequently lowered, the edges of the felts rest on the margins of the openings 136 and 137 and the felts are held while the blocks 151 and 152 move downwardly.
  • a pressure pad be associated with each of the pads 151 and 152, and such pads are indicated by the numeral 161 in Figures 13 and 15 to 17.
  • Each of the pads 161 includes a member 162 that normally extends downwardly to a level which is just above the upper surface of the lower plate 134 as shown in Fig. 13.
  • the pressure pads 162 are part of rods which extend into air cylinders 163 and cushion the movements of the members 162.
  • the air cylinders 163 and the pressure members 162 are supported by a crossbrace 164 shown in Figure 13.
  • the machine drive turns the shaft 141 and the shuttle 131 through an angle of 180° and stops.
  • the openings 136 and 137 with the felts therein are below the two magazines 132 and 133 and the openings 138 and 139 are now located above the two blocks 151 and 152.
  • the conveyor 11 moves forwardly the distance of two felts. The next two felts are then removed from the conveyor in the manner previously explained.
  • This last lift mechanism raises two felts out of the openings 136 and 137 and into the lower ends of the two magazines 132 and 133.
  • This last lift mechanism includes a pair of pads 166 mounted below the two magazines 132 and 133 on two rods 167.
  • a cross brace 168 supports the rods 167 and is connected to the piston rod 169 of an air cylinder 170 which moves the pads 166 up and down in an intermittent reciprocating movement.
  • the edges of the felts are caught or engaged by the margins of the openings 171 at the lower ends of the two magazines 132 and 133, and consequently when the pads are withdrawn downwardly, the margins of the openings 171 at the lower ends of the magazines holds the stack of felts in the magazine.
  • the two magazines 132 and 133 are supported by a support shaft 172 which also supports a second pair of magazines 173 and 174. After the two magazines 132 and 133 have been substantially filled with felts, the machine is stopped and the shaft 172 is rotated through a 180° angle so that the other two magazines 132 and 133 can be emptied while the magazines 173 and 174 are being filled.
  • Figure 18 illustrates a power and control system of the machine.
  • An electric motor 181 drives an intermittent movement type of mechanism 182 such as a Ferguson movement.
  • the conveyor 11 and the shuttle 131 are connected to be operated by the mechanism 182.
  • the four air cylinders 84, 106, 154 and 170 are connected to a control device 183 having a plurality of outlets 184.
  • the two applicators 12 and 13 and an air switch 186 are also connected to the outlets 186.
  • the switch 186 connects either an air pressure supply 187 or a vacuum supply 188 to the couplings 61 of the heads 46.
  • the control 183 may be connected to be actuated in each cycle of operation by the mechanism 122 directly or .from a cam or limit switch, for example, operated by a moving part of the machine.
  • the mechanism 182 has just completed the movement of the conveyor 11 one step forward and the shuttle 131 has rotated 180°.
  • the applicators 12 and 13 are actuated to apply decals to two felts.
  • the air switch 186 connects the vacuum 188 to the heads 46 which hold the lowermost felts 29a and 29b of the two stacks, the cylinder 106 then moves the blade 48 forward to separate the felts, the heads 46 are moved downwardly by the cylinder 84 to transfer the felts to the conveyor 11, the heads 46 move up again, and the blade 48 retracts.
  • the switch 186 moves to connect the pressure supply 187 to the head in order to push the decals off the heads.
  • the members 151 and 166 are moved upwardly to transfer two felts from the conveyor to the shuttle 132 and to transfer two felts from the shuttle to the magazines 132 and 133. Then the conveyor 11 is advanced and the shuttle 131 is turned to start a new cycle.
  • the mechanism 182 includes a speed reducer between the motor 181 and the Ferguson mechanism, and the Ferguson mechanism is arranged, for example, so that, in each 360° cycle of its input shaft, the output shaft will turn during 90° of the cycle and will remain stationary for 270°. While the operation has been described wherein a number of operations take place while the conveyor is stationary, some could be started while the conveyor is still moving. For example, the blade 48 could start to move as the conveyor is stopping.
  • the restacking mechanism 15 may include means for automatically turning the shaft 172 and the four magazines 132, 133, 173 and 174.
  • a counter may be provided to count machine cycles and actuate a mechanism for turning the shaft 172 after a certain number of felts have been pushed into the magazines.
  • the applicators 12 and 13 may be of the character shown in U.S. patent No. 3,813,268. As shown in Fig. 1, there are an odd number of pairs of plates 23 of the conveyor 11, with felts thereon, between the two applicators 12 and 13, so that the applicators will operate on alternate felts. This feature of course enables the machine to process two felts simultaneously as previously mentioned.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Treatment Of Fiber Materials (AREA)
EP81103312A 1981-05-02 1981-05-02 Maschine zum Anbringen von Kennzeichen auf Tennisball-Filzen Withdrawn EP0064088A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP81103312A EP0064088A1 (de) 1981-05-02 1981-05-02 Maschine zum Anbringen von Kennzeichen auf Tennisball-Filzen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP81103312A EP0064088A1 (de) 1981-05-02 1981-05-02 Maschine zum Anbringen von Kennzeichen auf Tennisball-Filzen

Publications (1)

Publication Number Publication Date
EP0064088A1 true EP0064088A1 (de) 1982-11-10

Family

ID=8187695

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81103312A Withdrawn EP0064088A1 (de) 1981-05-02 1981-05-02 Maschine zum Anbringen von Kennzeichen auf Tennisball-Filzen

Country Status (1)

Country Link
EP (1) EP0064088A1 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813268A (en) * 1971-08-19 1974-05-28 Meyercord Co Machine and method for applying indicia to articles
WO1979001146A1 (en) * 1978-05-30 1979-12-27 Meyercord Co A tennis ball marking decalcomania

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813268A (en) * 1971-08-19 1974-05-28 Meyercord Co Machine and method for applying indicia to articles
WO1979001146A1 (en) * 1978-05-30 1979-12-27 Meyercord Co A tennis ball marking decalcomania

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): AT DE FR GB

17P Request for examination filed

Effective date: 19821217

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 19831201

RIN1 Information on inventor provided before grant (corrected)

Inventor name: KERWIN, DANIEL

Inventor name: TRENTADUE, VICTOR