Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
  • B65H29/003—Delivering or advancing articles from machines; Advancing articles to or into piles by grippers
  • B65H29/005—Delivering or advancing articles from machines; Advancing articles to or into piles by grippers by chains or bands having mechanical grippers engaging the side edges of articles, e.g. newspaper conveyors
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
  • B65H29/003—Delivering or advancing articles from machines; Advancing articles to or into piles by grippers

Definitions

• the present invention relates to a device for transporting in particular flat objects, according to the preamble of claim 1.
• a transport device of this type is known for example from CH-A-382 768 and the corresponding US-A-3, 032, 341.
• This has individual conveyor elements designed as carriages, which are arranged one behind the other and are movably mounted on a self-contained guide rail.
• a controllable transport clamp is fixedly arranged on each conveying element, which is intended to take over a supplied printed product at a takeover point arranged in a vertical section of the guide rail and to hold it for further transport.
• the conveying element is released in order to transport the printed product along the conveying path formed by a section of the guide rail by gravity drive.
• devices for transporting printed products which also have conveyor elements arranged one behind the other, but which are articulated to one another to form a self-contained conveyor chain.
• the conveyor elements are movably mounted in a guide rail with a C-shaped cross section.
• An individually controllable transport clamp, which is used for this purpose, is fixedly arranged on each transport element. it is true to take over a printed product at each takeover point and to transport it along a conveyor line.
• FIG. 1 shows a perspective view of a transport clamp holding an object, the clamp plane of which runs at right angles to the conveying direction and which is mounted on a conveying element so that it can be pushed back and forth in one of the arrow directions;
• FIG. 2 shows a perspective illustration of a number of transport clamps each holding an object according to FIG. 1, some transport clamps being mutually exclusive are in a first position and others are shifted to a second position with respect to the conveying element;
• FIG. 3 shows a perspective illustration of transport clamps arranged one behind the other at a distance, with a clamp plane running in the conveying direction, each holding an object, the middle transport clamp being displaced in a direction perpendicular to the conveying direction with respect to the other two;
• Fig. 4 also a perspective view of a number of objects arranged in a scale formation and different options for holding these objects by means of clamps;
• FIG. 5 is a view of a transport clamp which is displaceably mounted on a conveying element and holds an object and parts of a control device for displacing the transport clamp;
• FIG. 6 shows a follower element arranged on the transport clamp according to FIG. 5 and parts of the control device for bringing the follower element into a rest position;
• FIG. 7 shows a section of the follower element according to FIG. 6, which has been brought into a working position, with elements of the control device; 8 shows a further embodiment of a transport clamp which is arranged displaceably on a conveyor element;
• FIG. 9 shows the transport clamp and the conveying element according to FIG. 8 in a side view in the direction of arrow IX;
• FIG. 10 the conveying element and the transport clamp according to FIG. 8 with the transport clamp displaced with respect to the conveying element;
• Fig. 11 m top view one behind the other, each holding an object holding clamps and a further embodiment of the control device for moving the clamps with respect to the conveying elements.
• Fig. 1 shows schematically a transport bracket 10, with its two bracket elements 12, of which only one is visible, a flat object 14, in the present case a folded printed product such as a newspaper, magazine or the like.
• Dash-dotted lines indicate a section of a conveyor section 16 along which a conveyor element 17 with a transport clamp 10 arranged thereon is moved in the conveyor direction F.
• the clamp elements 12 brought into the clamping position define a clamp plane 18 in which the object 14 is held.
• the bracket level 18 runs at right angles to the conveyor section 16.
• the transport element is attached to the conveyor element 17.
• bracket 10 slidably back and forth between two positions in the direction of one of the double arrows 20a, 20b, 20c, 20d, the hollow arrowhead each indicating a first position 22 and the filled arrowhead indicating a second position 24.
• the transport bracket 10 shown is located in the first position 22 with respect to all the shifting directions 20.
• the double arrow 20a indicates that the transport bracket 10 from the first position 22 shown in the horizontal and in the direction of movement F perpendicular to the direction of movement F in the direction of movement F seen to the right into the second Position 24 and can be moved back again.
• the double arrow 20b indicates that the transport clamp 10 can be arranged from the first position 22 shown to the left in the second position 24 and back again in the conveying element.
• the double arrow 20c shows that the transport clamp 10 can be arranged on the conveyor element 17 so as to be displaceable in the direction of the conveyor section 16.
• the double arrow 20d indicates that it is also conceivable to move the transport bracket 10 with respect to the conveying element 17 in the vertical direction.
• FIG. 2 shows a section of the conveyor line 16 with a number of transport clamps 10 arranged one behind the other at the same distance, each holding an object 14 in a hanging position.
• the transport clamps 10 are, as described in connection with FIG. 1, on the associated, not shown, feed element 17 with respect to FIG Conveying path 16 displaceable at right angles 20.
• Six of the shown transport clamps 10 are in the first position 22, which is made by a line passing through a corner 26, dot-dash line 28 better "recognizable.
• Other of the transport clamps 10 are moved in the direction of arrow 20a with respect to the first position 22 to the second position 24.
• the objects 14 thereby shifted into the second position 24, viewed in the conveying direction F, project laterally beyond the other objects 14, so that processing can be carried out on them, for example in the projecting area, or these can be gripped and taken over by a clamp of another transport device ,
• FIG 3 shows three of a plurality of transport brackets 10 moved one behind the other along a conveying path 16 in the conveying direction F at the same distance, with a clamp plane 18 running in the direction of the conveying path 16.
• These transport brackets 10 are also in a displacement direction 20 indicated by the double arrow from a first position 22, which is taken up by the two outer transport brackets 10 and what is indicated by the dash-dotted line 28, can be moved into a second position 24 and back again, as is indicated by the middle of the transport brackets 10.
• the objects 14 are transported in scale formation S in the conveying direction F, each of the objects 14 being held by a transport clamp.
• One of these transport clamps, together with the object 14 held by it, is laterally displaced into the second position 24, so that from the top flat side of this object 14 there is a left side edge 14 "along the leading edge 14 'and along the side viewed in support, and from the bottom flat side one along the trailing edge 14"' and along the side edge 14 " Edge area 30 is exposed for the processing of the object 14 in question.
• the objects 14 can either at the leading edge 14 'at the trailing edge 14 "'or with a lateral edge 14 ", in the present case lying on the right in the direction of the conveyance.
• the transport clamps 10, as indicated by the arrows, transversely in particular at right angles or in and against the conveyance direction F with respect to of the corresponding elements can be moved.
• F g. 5 shows a cross-sectionally C-shaped, self-contained guide rail 32, in which a generally known chain of conveyors, which is guided on guide wheels 34 and forms a self-contained conveyor organ 36, is arranged.
• a spring body 38 which extends through the gap of the guide rail 32, protrudes from the spring link 38 of the conveyor element 36 formed by the conveyor chain, on one side of which one of the guide wheels 34 is mounted. and attached to the free end of a profile-shaped guide element 40 running at right angles to the direction of travel F.
• a profile-shaped '/ slide element 42 is mounted, which on both sides Each end carries a follower element 44 designed as a follower roller.
• the follower element 44 arranged at the right end of the slide 42 is in a rest position 44 'and the follower element 44 arranged at the left end is in a working position 44 ", in which it is spaced further apart from the slide 42 than in the rest position 44'
• a first control element 46 of a control device 48 indicated by an arrow
• subsequent elements 44 located in the working position 44 ' can be displaced into the rest position 44' (indicated by dashed lines).
• actuating a clamping pawl 50 by means of a second control element 46 'also indicated by the arrow, in FIG Resting position 44 'subsequent elements 44 are moved into their working position 44 ". This will be described in more detail with reference to FIGS. 6 and 7.
• the follower element 44 located in the working position 44 ′′ and arranged at the left end of the slide 42 is guided in a sliding element 52 designed as a backdrop, the distance to the guide rail 32 in a sliding section of the conveying path 16 continuously decreasing in the direction of movement F.
• the transport clamp 10 fastened to the slide 24 can be a transport clamp which is derived from the EP A-0 600 183 and US-A-5, 395, 151 is known and which has two bracket elements 12 which are actuated by means of control levers 56.
• the displacement element 52 with the transport clamp 10 arranged thereon can also be displaced from the first position 22 shown in solid lines in a direction towards the left m; this in a manner analogous to that in the second position 24.
• FIGS. 6 and 7 show an enlarged view of the follower element 44 located there at the left end of the slider 42 in the rest position 44 'or working position 44 ".
• the slider 42 can have a follower element 44 at both ends or only at one end.
• the follower element 44 designed as a wheel is freely rotatably mounted on a shaft 58 which passes through an opening 50 'of a clamping pawl 50 and is mounted on a guide body 60 fastened to the slide 42.
• the clamping pawl 50 is on the one hand lever-like pivotable - pin 64 - mounted on a bearing body 66 also fastened to the slide 42 and on the other hand acted upon by the force of a clamping spring 68 designed as a compression spring, which is supported on the one hand on the clamping pawl 50 and on the other hand on the bearing body 66. Seen in the longitudinal direction of the pawl 50 the opening 50 'is slightly larger than the cross section of the shaft 58. In FIG.
• the clamping pawl 50 is in the clamping position, in which the shaft 58 is held in the rest or working position 44' or 44 "under the clamping action
• the clamping pawl 50 is moved by means of the second control element 46' of the control device 48 m release position, as shown in FIG. 4, and on the other hand by means of the first control element 46 to the free position Acted end of shaft 58. If the follower element 44 is moved into the rest position 44 ', the clamping pawl 50 is released so that it can pivot under the action of the clamping spring 68 in the clamping position and hold the shaft 58 in place.
• the second control element 46 ' is actuated, whereby the clamping pawl 50 is swiveled in the release division and the shaft 58 with the follower 44 moves under the action of the pressure spring 62 into the working position 44', where it is comes into engagement with the displacement element 52.
• the embodiment of the ER- findungsgemassen device shown in Figs. 8 to 10 has a plurality of behind each other in a cross-sectionally C-shaped, is ge m ⁇ closed guide channel 32 is arranged, individual Forderimplantation 17th These are each designed as carriages, their end faces 70 being designed as butt flaps. At least in areas of the guide channel 32 with gradients, as seen in the direction of the F, the elements 17 in this section are adjacent. other, each conveying element moving the immediately preceding conveying element forward by pushing in the conveying direction F. Especially in sections of the guide channel 32 with a gradient, the conveying elements 17 can move independently of one another, driven by gravity. However, it is also conceivable that the conveying elements 17 form a closed sequence of adjacent contact elements 17.
• Each of the conveying elements 17 has, in the interior of the guide channel 32, four freely rotatable guide wheels 34 and two further guide wheels 34, which are arranged one behind the other in the direction of the guide channel 32 and are freely rotatably mounted on support elements 72 of the conveying element 17 and which face the mutually facing edges of the guide channel 32 interact for lateral guidance.
• a guide element 40 with a guide 40 ′ arranged at right angles to the longitudinal direction of the guide channel 32 is fastened to the two carrier elements 72 of each second conveying element 17.
• a guide bead 42 'of the otherwise essentially plate-shaped slide 42 engages in the guide 40' which is designed as a groove.
• the guide plate 40 which is essentially plate-shaped, is encompassed laterally by guide profiles 74 fastened to the slide 42.
• One of these guide profiles 74 has a hole approximately in the center, in which a spring-loaded locking ball 76 is arranged. In the first position 22 (FIG. 8) and second position 24 (FIG. 10), this forms a latching device 78, each with a corresponding recess in the guide element 40 in order to release the slide 42 in the corresponding position 22, 24 hold.
• a follower element 44 designed as a roller is freely rotatably mounted thereon. This is intended to interact with a slide in the cross-section which forms a displacement element 52 to move the slide 42 from one position 22 or 24 to the other position 24 or 22. This can be controlled, for example, in order to act exclusively on the follower elements 44 of the predetermined sliders 42 to be displaced.
• two clamping supports 80 which form a clamp element 12 are fastened to the latter.
• a flat-shaped clamp element 12 interacts with these and is arranged at the free end of a first leg 82 'of a leaf spring 82. This is about 90 ° around a bearing shaft 84 and the other second leg 82 "of the leaf spring 82 is intended to cooperate with a locking lever 86.
• the bearing shaft 84 is encompassed on both sides of the leaf spring 82 by an opening spring 88, each of which is emeren ⁇ s on engage the first limb 82 'and at the other end are supported on the lateral limbs of a U-shaped bearing element 90.
• the middle limb of the latter is fastened to the slide 42 near the follower element 44.
• Both the bearing shaft 84 and the two are located on the two rare limbs of the bearing element 90 the U-shaped lock levers 86 rotatably.
• This has a freely rotatably mounted on it roll 92, the Blattfe abwalzt itself during the pivoting of the locking lever 86 on the second leg 82 " ⁇ of 82.
• the second leg 82 has a stop 94 at its free end, against which the roller 92 rests in the closed position of the transport clamp 10 by pressing against the stop 94 by the direction and force of the second leg 82" and is thus held in a stable position.
• an opening gate 96 which, when the transport bracket 10 is moved in the direction of travel F, pivots the locking lever 86 from the closed position shown in solid lines in FIGS. 8 and 10 in the direction towards the bottom into the open position indicated by dash-dotted lines.
• a closing link 96 ' can be provided for closing the transport clamp 10.
• a wedge-shaped hood 98 is fastened to the flat, moving clamp element 12, so that when the transport clamp 10 is displaced in the displacement direction 20, it passes underneath an object held by an adjacent transport clamp 10 without injuring it.
• FIG 11 shows a section of the conveyor section 16 with the conveyor elements 17 arranged one behind the other at the same distance, each with a transport clamp 10, for example in accordance with one of the embodiments shown in FIGS. 5 to 10.
• the slider 42 is no longer equipped with a follower element 44, but with a stop 100 at its two ends.
• the control device 48 for displacing predetermined transport clamps 10 has a star wheel 102 which is arranged on the side of the conveyor section 16 and is driven synchronously with the conveying elements 17.
• On each spoke 104 of the A shaft 106 is mounted telescopically in and out telescopically, at the free end of which a roller acting as control element 108 is freely rotatably mounted.
• a control element 108 coincides with each transport clamp 10.
• control devices shown can be controlled by a computer which tracks the objects as they are transported along the conveyor path 16 in order to move precisely predetermined objects 14 of the sequence of objects.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Discharge By Other Means (AREA)
• Chain Conveyers (AREA)
• Control And Other Processes For Unpacking Of Materials (AREA)
• Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Applications Claiming Priority (3)

Publications (2)

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Family Applications (1)

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Family Cites Families (9)

• 2001
  • 2001-02-06 US US10/258,188 patent/US20030106774A1/en not_active Abandoned
  • 2001-02-06 DE DE50108003T patent/DE50108003D1/de not_active Expired - Lifetime
  • 2001-02-06 EP EP01971440A patent/EP1274640B1/fr not_active Expired - Lifetime
  • 2001-02-06 AT AT01971440T patent/ATE309164T1/de not_active IP Right Cessation
  • 2001-02-06 DK DK01971440T patent/DK1274640T3/da active
  • 2001-02-06 AU AU2001228250A patent/AU2001228250A1/en not_active Abandoned
  • 2001-02-06 CA CA002403647A patent/CA2403647C/fr not_active Expired - Fee Related
  • 2001-02-06 WO PCT/CH2001/000079 patent/WO2001081217A1/fr active IP Right Grant

Non-Patent Citations (1)

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