US20180326766A1 - System for conveying objects from a nested stack of objects to a printer for printing - Google Patents
System for conveying objects from a nested stack of objects to a printer for printing Download PDFInfo
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- US20180326766A1 US20180326766A1 US15/591,263 US201715591263A US2018326766A1 US 20180326766 A1 US20180326766 A1 US 20180326766A1 US 201715591263 A US201715591263 A US 201715591263A US 2018326766 A1 US2018326766 A1 US 2018326766A1
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- printheads
- spindle
- objects
- move
- conveyor
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- 238000000034 method Methods 0.000 claims description 13
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- 230000004044 response Effects 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000003491 array Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/007—Conveyor belts or like feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J25/00—Actions or mechanisms not otherwise provided for
- B41J25/001—Mechanisms for bodily moving print heads or carriages parallel to the paper surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/54—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G59/00—De-stacking of articles
- B65G59/10—De-stacking nested articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2814/00—Indexing codes relating to loading or unloading articles or bulk materials
- B65G2814/03—Loading or unloading means
- B65G2814/0301—General arrangements
- B65G2814/0308—Destacking devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G59/00—De-stacking of articles
- B65G59/10—De-stacking nested articles
- B65G59/107—De-stacking nested articles by means of rotary devices or endless elements
Definitions
- This disclosure relates generally to a system for printing on three-dimensional (3D) objects, and more particularly, to systems for printing on objects removed from a nested stack of objects.
- a new printing system is configured to print the surface of nested three-dimensional (3D) objects one object at a time.
- the printing system includes a plurality of printheads, each printhead in the plurality of printheads being configured to eject marking material, a conveyor configured to move a stack of nested objects toward the plurality of printheads, the conveyor including a member having a plurality of protuberances that extend from the member to engage a portion of each object in the stack of nested objects except the object closest to the plurality of printheads, a spindle configured for reciprocal movement, an actuator operatively connected to the spindle to enable the actuator to move the spindle within an orifice of the object in the stack of nested objects that is closest to the plurality of printheads to engage the object and to move the object to a position opposite the plurality of printheads, and a controller operatively connected to the plurality of printheads, the conveyor, and the actuator.
- the controller is configured to operate the conveyor to move at least a portion of the stack of nested objects within the printing system, to operate the actuator to move the spindle within the orifice of the object in the stack of nested objects that is closest to the plurality of printheads to engage the object, remove the object from the stack, and move the object to a position opposite the plurality of printheads, and to operate the plurality of printheads to eject marking material onto the object on the spindle.
- Another embodiment of the new printing system includes a plurality of printheads, each printhead in the plurality of printheads being configured to eject marking material, a conveyor configured to move a stack of nested objects toward the plurality of printheads, a spindle configured for reciprocal movement, an actuator operatively connected to the spindle to enable the actuator to move the spindle within an orifice of the object in the stack of nested objects that is closest to the plurality of printheads to engage the object, an opening positioned below the conveyor, a member having a first end and a second end, the first end of the member is positioned at the opening and the second end is positioned to receive objects released from the spindle, and a controller operatively connected to the plurality of printheads, the conveyor, and the actuator.
- the controller is configured to operate the conveyor to move at least a portion of the stack of nested objects within the printing system, to operate the actuator to move the spindle within the orifice of the object in the stack of nested objects that is closest to the plurality of printheads to engage the object, remove the object from the stack, and move the object to a position opposite the plurality of printheads, to operate the plurality of printheads to eject marking material onto the object, and to operate the actuator to release the object from the spindle in response to printing of the object being completed to enable gravity to direct objects to the first end of the member and along a length of the member to the second end and through the opening.
- a new method of printing the surface of nested three-dimensional (3D) objects one object at a time includes operating a conveyor with a controller to position protuberances on a member within the conveyor between portions of adjacent objects in a stack of nested objects on the conveyor and to move at least a portion of the stack of nested objects within a printing system, operating an actuator with the controller to move a spindle within an orifice of an object in the stack of nested objects that is closest to a plurality of printheads to engage the object, remove the object from the stack, and move the object to a position opposite the plurality of printheads, and operating the plurality of printheads with the controller to eject marking material onto the object on the spindle.
- FIG. 1 illustrates an upright printing system to feed objects from a nested stack of objects to the system for printing.
- FIG. 2 is the printing system of FIG. 1 with the housing cover removed to expose the internal components that print and discharge the printed objects.
- FIG. 3 is a side perspective view of the conveyor that moves a stack of nested objects within the printing system of FIG. 1 for printing.
- FIG. 4 is a side view of the conveyor shown in FIG. 3 that illustrates the interaction of the helical belt of the conveyor with the nested objects in a stack of nested objects.
- FIG. 1 depicts a printing system 100 configured to retrieve an object from a stack of nested objects 104 , print the surface of the retrieved object, and discharge the printed object into a nested stack 108 .
- the printing system 100 includes a housing 112 in which a printer is positioned as shown in FIG. 2 for the printing of objects.
- the nested stack of objects is a stack of plastic cups although the nested stack can be of any objects capable of being nested together and that present an orifice at one end of the nested stack.
- the nested stack 104 is positioned within a conveyor 116 for translation into the housing 112 . The details of the conveyor structure are presented below.
- a shuttle 120 is mounted on a support member 124 for reciprocating movement along the member.
- a fixed pitch screw member 128 is operatively connected to the shuttle 120 and an actuator 122 so the actuator can bidirectionally rotate the screw member 128 to move the shuttle bidirectionally along the member 124 .
- the shuttle 120 is operatively connected to a rod 132 that terminates into a spindle 136 .
- the rod 132 is hollow to provide a conduit that pneumatically connects spindle 136 to a vacuum source 140 .
- the spindle 136 travels with the shuttle 120 toward the stack 104 , the spindle enters an orifice of the first object in the nested stack of objects in stack 104 .
- One or more holes in the spindle 136 enables the vacuum source 140 to pull air from within the orifice of the first object and mate the interior of the object with the spindle 136 .
- each array 144 and 148 has four printheads, although fewer or more printheads can be configured within each array.
- the eight printheads in the two arrays 144 and 148 are operatively connected to ink supplies 152 A to 152 H, respectively, so each printhead is individually and independently supplied by only one ink supply in the system 100 .
- Another container 154 is provided to a printhead maintenance system in the printer for the collection of waste ink from purging operations of the printheads.
- An actuator 134 operatively connected to the rod 132 rotates the rod so the spindle 136 rotates with the object 140 A.
- the controller 156 operates the printheads within the printhead arrays 144 and 148 to print text and graphics onto the object 140 A with up to eight different colors.
- a UV lamp 168 which is positioned below the printhead arrays 144 and 148 , is operated by the controller 156 to cure the ink printed on the surface of the object 140 A when one or more of the printheads used to print the surface of the object 140 A ejected UV ink onto the surface of the object.
- the controller disconnects the vacuum source 140 from the rod 132 and the spindle 136 so the weight of the object dislodges the object from the spindle 136 .
- the position at which the spindle stops to position the object opposite the plurality of printheads is short of a mechanical stop 158 .
- the lower portion of the opening 160 through which the conveyor 116 extends is located at one end of a ramp 164 .
- the other end of the ramp 164 is operatively connected to an actuator 166 to move the other end of the ramp 164 toward and away from the trailing end of the object 140 A positioned on the spindle 136 .
- gravity directs the object onto the ramp 164 , which had its other end raised by the controller 156 operating the actuator 166 during the curing process.
- the object slides along the ramp 164 through the lower portion of the opening 160 and is aligned with previously ejected objects by the guide 172 .
- a tab 176 is mounted to the housing 112 to support the stack of discharged objects within the guide 172 .
- the conveyor 116 is shown in more detail in FIG. 3 .
- the conveyor 116 includes a tray 320 having a channel 324 with a floor 328 .
- a support bracket 304 is operatively connected to an endless belt 308 that is entrained about a pair of pulleys 312 so rotation of the pulleys moves the support bracket 304 bidirectionally within the channel 324 of the tray 320 .
- One of the pulleys 312 is operatively connected to an actuator 332 for bidirectional rotational movement of the pulley.
- the support bracket 304 includes a pair of prongs 336 that support the bottom of a last object in a nested stack of objects and a centering tab 340 that fits within a well of the bottom of the last object in the stack.
- a curved support member 344 accommodates the curvature of the exterior surface of the last object in the stack and the member 344 terminates in a tab 348 that is parallel with a longitudinal wall of the channel 324 .
- a sensor 352 is located at the end of the conveyor 116 that is positioned within the printing system 100 . This sensor can be an optical sensor, a magnetic sensor, or a mechanical sensor. The sensor 352 is configured to detect the presence of tab 348 and generate an electrical signal indicative of tab 348 being opposite the sensor.
- the controller 156 is operatively connected to the sensor 352 to receive the signal generated by the sensor when tab 348 is positioned at the sensor and, in response, the controller operates the actuator 332 to reverse the rotational direction of the pulley 312 to return the bracket 304 to the other pulley 312 so another stack of objects can be loaded into the conveyor 116 against the bracket 304 .
- FIG. 4 shows the interaction between the objects in the nested stack of objects 104 and the endless belt 308 .
- Endless belt 308 includes an endless cable or wire 404 helically wrapped with a wire 408 at a fixed pitch along the entire length of the wire 404 .
- the helically wrapped wire 408 is only shown at one end of the wire 404 to facilitate the figure.
- the portions of the wire 408 that are positioned between lips 412 of the objects help hold the objects in the stack.
- the wire 408 follows the wire 404 and falls away from the lip of the object 140 B within the printing system 100 .
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Coating Apparatus (AREA)
- Ink Jet (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Pile Receivers (AREA)
Abstract
Description
- This disclosure relates generally to a system for printing on three-dimensional (3D) objects, and more particularly, to systems for printing on objects removed from a nested stack of objects.
- Commercial article printing typically occurs during the production of the article. For example, ball skins are printed with patterns or logos prior to the ball being completed and inflated. Consequently, a non-production establishment, such as a distribution site, which customizes products, for example, in region in which potential product customers support multiple professional or collegiate teams, needs to keep an inventory of products bearing the logos of various teams followed in the area. Ordering the correct number of products for each different logo to maintain the inventory can be problematic.
- One way to address these issues in non-production outlets would be to keep unprinted versions of the products, and print the patterns or logos on them at the distribution site. Adapting known printing techniques, such as two-dimensional (2D) media printing technology, to apply image content onto three-dimensional objects is difficult. The difficulties are especially compounded when the objects are nested in a stacked arrangement for storage as is the case in plastic cups and the like. One object at a time needs to be removed from the stacked configuration of objects for printing and the run of objects to be printed may be short as a customer only needs two or four of the objects printed with some custom pattern. Therefore, printing systems capable of being operated in non-production environments that can print nested 3D objects are unknown, but desirable.
- A new printing system is configured to print the surface of nested three-dimensional (3D) objects one object at a time. The printing system includes a plurality of printheads, each printhead in the plurality of printheads being configured to eject marking material, a conveyor configured to move a stack of nested objects toward the plurality of printheads, the conveyor including a member having a plurality of protuberances that extend from the member to engage a portion of each object in the stack of nested objects except the object closest to the plurality of printheads, a spindle configured for reciprocal movement, an actuator operatively connected to the spindle to enable the actuator to move the spindle within an orifice of the object in the stack of nested objects that is closest to the plurality of printheads to engage the object and to move the object to a position opposite the plurality of printheads, and a controller operatively connected to the plurality of printheads, the conveyor, and the actuator. The controller is configured to operate the conveyor to move at least a portion of the stack of nested objects within the printing system, to operate the actuator to move the spindle within the orifice of the object in the stack of nested objects that is closest to the plurality of printheads to engage the object, remove the object from the stack, and move the object to a position opposite the plurality of printheads, and to operate the plurality of printheads to eject marking material onto the object on the spindle.
- Another embodiment of the new printing system includes a plurality of printheads, each printhead in the plurality of printheads being configured to eject marking material, a conveyor configured to move a stack of nested objects toward the plurality of printheads, a spindle configured for reciprocal movement, an actuator operatively connected to the spindle to enable the actuator to move the spindle within an orifice of the object in the stack of nested objects that is closest to the plurality of printheads to engage the object, an opening positioned below the conveyor, a member having a first end and a second end, the first end of the member is positioned at the opening and the second end is positioned to receive objects released from the spindle, and a controller operatively connected to the plurality of printheads, the conveyor, and the actuator. The controller is configured to operate the conveyor to move at least a portion of the stack of nested objects within the printing system, to operate the actuator to move the spindle within the orifice of the object in the stack of nested objects that is closest to the plurality of printheads to engage the object, remove the object from the stack, and move the object to a position opposite the plurality of printheads, to operate the plurality of printheads to eject marking material onto the object, and to operate the actuator to release the object from the spindle in response to printing of the object being completed to enable gravity to direct objects to the first end of the member and along a length of the member to the second end and through the opening.
- A new method of printing the surface of nested three-dimensional (3D) objects one object at a time includes operating a conveyor with a controller to position protuberances on a member within the conveyor between portions of adjacent objects in a stack of nested objects on the conveyor and to move at least a portion of the stack of nested objects within a printing system, operating an actuator with the controller to move a spindle within an orifice of an object in the stack of nested objects that is closest to a plurality of printheads to engage the object, remove the object from the stack, and move the object to a position opposite the plurality of printheads, and operating the plurality of printheads with the controller to eject marking material onto the object on the spindle.
- The foregoing aspects and other features of a printing system that prints surfaces of nested 3D objects one object at a time are explained in the following description, taken in connection with the accompanying drawings.
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FIG. 1 illustrates an upright printing system to feed objects from a nested stack of objects to the system for printing. -
FIG. 2 is the printing system ofFIG. 1 with the housing cover removed to expose the internal components that print and discharge the printed objects. -
FIG. 3 is a side perspective view of the conveyor that moves a stack of nested objects within the printing system ofFIG. 1 for printing. -
FIG. 4 is a side view of the conveyor shown inFIG. 3 that illustrates the interaction of the helical belt of the conveyor with the nested objects in a stack of nested objects. - For a general understanding of the present embodiments, reference is made to the drawings. In the drawings, like reference numerals have been used throughout to designate like elements.
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FIG. 1 depicts aprinting system 100 configured to retrieve an object from a stack ofnested objects 104, print the surface of the retrieved object, and discharge the printed object into anested stack 108. Theprinting system 100 includes ahousing 112 in which a printer is positioned as shown inFIG. 2 for the printing of objects. As depicted in the figure, the nested stack of objects is a stack of plastic cups although the nested stack can be of any objects capable of being nested together and that present an orifice at one end of the nested stack. Thenested stack 104 is positioned within aconveyor 116 for translation into thehousing 112. The details of the conveyor structure are presented below. - The internal components of the
printing system 100 are shown in more detail inFIG. 2 . Ashuttle 120 is mounted on asupport member 124 for reciprocating movement along the member. A fixedpitch screw member 128 is operatively connected to theshuttle 120 and anactuator 122 so the actuator can bidirectionally rotate thescrew member 128 to move the shuttle bidirectionally along themember 124. Theshuttle 120 is operatively connected to arod 132 that terminates into aspindle 136. Therod 132 is hollow to provide a conduit that pneumatically connectsspindle 136 to avacuum source 140. As thespindle 136 travels with theshuttle 120 toward thestack 104, the spindle enters an orifice of the first object in the nested stack of objects instack 104. One or more holes in thespindle 136 enables thevacuum source 140 to pull air from within the orifice of the first object and mate the interior of the object with thespindle 136. - When the
actuator 122 is operated to reverse rotation of thescrew member 128, theshuttle 120 returns to its home position, which positions theobject 140A opposite two arrays ofprintheads array arrays ink supplies 152A to 152H, respectively, so each printhead is individually and independently supplied by only one ink supply in thesystem 100. Anothercontainer 154 is provided to a printhead maintenance system in the printer for the collection of waste ink from purging operations of the printheads. Anactuator 134 operatively connected to therod 132 rotates the rod so thespindle 136 rotates with theobject 140A. Thecontroller 156 operates the printheads within theprinthead arrays object 140A with up to eight different colors. After theobject 140A is printed, aUV lamp 168, which is positioned below theprinthead arrays controller 156 to cure the ink printed on the surface of theobject 140A when one or more of the printheads used to print the surface of theobject 140A ejected UV ink onto the surface of the object. Once the curing process is completed, the controller disconnects thevacuum source 140 from therod 132 and thespindle 136 so the weight of the object dislodges the object from thespindle 136. In some embodiments, the position at which the spindle stops to position the object opposite the plurality of printheads is short of amechanical stop 158. Once the printing of the object is completed, the controller operates the actuator to continue moving the object away from the stack so the edge of the object encounters the stop to push the object from the spindle as an alternative scheme for releasing the object from the spindle. - The lower portion of the
opening 160 through which theconveyor 116 extends is located at one end of aramp 164. The other end of theramp 164 is operatively connected to anactuator 166 to move the other end of theramp 164 toward and away from the trailing end of theobject 140A positioned on thespindle 136. When an object is released from the spindle, gravity directs the object onto theramp 164, which had its other end raised by thecontroller 156 operating theactuator 166 during the curing process. The object slides along theramp 164 through the lower portion of theopening 160 and is aligned with previously ejected objects by theguide 172. Atab 176 is mounted to thehousing 112 to support the stack of discharged objects within theguide 172. When a run of objects for a particular text and graphics pattern has been printed and discharged, the stack can be removed from theguide 172 so a stack of objects can be printed with another pattern of text and graphics. - The
conveyor 116 is shown in more detail inFIG. 3 . Theconveyor 116 includes atray 320 having achannel 324 with afloor 328. Asupport bracket 304 is operatively connected to anendless belt 308 that is entrained about a pair ofpulleys 312 so rotation of the pulleys moves thesupport bracket 304 bidirectionally within thechannel 324 of thetray 320. One of thepulleys 312 is operatively connected to anactuator 332 for bidirectional rotational movement of the pulley. Thesupport bracket 304 includes a pair ofprongs 336 that support the bottom of a last object in a nested stack of objects and acentering tab 340 that fits within a well of the bottom of the last object in the stack. Acurved support member 344 accommodates the curvature of the exterior surface of the last object in the stack and themember 344 terminates in atab 348 that is parallel with a longitudinal wall of thechannel 324. Asensor 352 is located at the end of theconveyor 116 that is positioned within theprinting system 100. This sensor can be an optical sensor, a magnetic sensor, or a mechanical sensor. Thesensor 352 is configured to detect the presence oftab 348 and generate an electrical signal indicative oftab 348 being opposite the sensor. Thecontroller 156 is operatively connected to thesensor 352 to receive the signal generated by the sensor whentab 348 is positioned at the sensor and, in response, the controller operates theactuator 332 to reverse the rotational direction of thepulley 312 to return thebracket 304 to theother pulley 312 so another stack of objects can be loaded into theconveyor 116 against thebracket 304. -
FIG. 4 shows the interaction between the objects in the nested stack ofobjects 104 and theendless belt 308.Endless belt 308 includes an endless cable orwire 404 helically wrapped with awire 408 at a fixed pitch along the entire length of thewire 404. The helically wrappedwire 408 is only shown at one end of thewire 404 to facilitate the figure. The portions of thewire 408 that are positioned betweenlips 412 of the objects help hold the objects in the stack. When theobject 140B at the end of the stack reaches the end of the conveyor where the spindle can contact the orifice in the object, thewire 408 follows thewire 404 and falls away from the lip of theobject 140B within theprinting system 100. Thus, no portion of thewire 408 hinders the mostforward object 140B in thetray 324 from being removed from thestack 104. When the spindle 136 (FIG. 2 ) enters the orifice of theobject 140B and the vacuum flowing through the opening in the spindle pulls the interior of the object into engagement with the spindle, the reverse movement of theshuttle 120 and thespindle 136 removes theobject 140B from the stack. Thehelically wound wire 408, however, provides enough resistance to translation of the remaining objects in the stack that they remain in theconveyor 116 until the actuator 332 advances thepulley 312 enough that thewire 408 no longer engages the lip of the most forward object so that object can be removed once the object currently printed has been ejected. - It will be appreciated that variations of the above-disclosed apparatus and other features, and functions, or alternatives thereof, may be desirably combined into many other different systems or applications. Various presently unforeseen or unanticipated alternatives, modifications, variations, or improvements therein may be subsequently made by those skilled in the art, which are also intended to be encompassed by the following claims.
Claims (20)
Priority Applications (6)
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US15/591,263 US10124614B1 (en) | 2017-05-10 | 2017-05-10 | System for conveying objects from a nested stack of objects to a printer for printing |
CN201810352645.XA CN108859425B (en) | 2017-05-10 | 2018-04-18 | System for conveying objects from a nested object stack to a printer for printing |
KR1020180046790A KR102320619B1 (en) | 2017-05-10 | 2018-04-23 | System for conveying objects from a nested stack of objects to a printer for printing |
JP2018082675A JP7032985B2 (en) | 2017-05-10 | 2018-04-24 | A system that transports objects from a nested stack of objects to the printer for printing |
EP18169124.7A EP3401106B1 (en) | 2017-05-10 | 2018-04-24 | System for conveying objects from a nested stack of objects to a printer for printing |
US16/127,841 US10414179B2 (en) | 2017-05-10 | 2018-09-11 | System for conveying objects from a nested stack of objects to a printer for printing |
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US11110722B2 (en) * | 2018-12-14 | 2021-09-07 | Xerox Corporation | System for directly printing fibrous objects with solid ink images |
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US20190001717A1 (en) | 2019-01-03 |
JP2018187926A (en) | 2018-11-29 |
US10124614B1 (en) | 2018-11-13 |
KR102320619B1 (en) | 2021-11-01 |
EP3401106A1 (en) | 2018-11-14 |
CN108859425B (en) | 2021-04-20 |
JP7032985B2 (en) | 2022-03-09 |
US10414179B2 (en) | 2019-09-17 |
CN108859425A (en) | 2018-11-23 |
KR20180123965A (en) | 2018-11-20 |
EP3401106B1 (en) | 2022-01-19 |
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