EP3838604B1 - Label printer - Google Patents
Label printer Download PDFInfo
- Publication number
- EP3838604B1 EP3838604B1 EP19217620.4A EP19217620A EP3838604B1 EP 3838604 B1 EP3838604 B1 EP 3838604B1 EP 19217620 A EP19217620 A EP 19217620A EP 3838604 B1 EP3838604 B1 EP 3838604B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carrier tape
- roller
- label printer
- thermal transfer
- driven
- 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.)
- Active
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- 230000037431 insertion Effects 0.000 claims description 30
- 238000007639 printing Methods 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
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- 230000000284 resting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
-
- 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
- B41J11/02—Platens
- B41J11/04—Roller platens
-
- 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
- B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
- B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
- B41J15/042—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles for loading rolled-up continuous copy material into printers, e.g. for replacing a used-up paper roll; Point-of-sale printers with openable casings allowing access to the rolled-up continuous copy material
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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
- B41J17/00—Mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper
- B41J17/02—Feeding mechanisms
- B41J17/04—Feed dependent on the record-paper feed, e.g. both moved at the same time
-
- 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
- B41J17/00—Mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper
- B41J17/02—Feeding mechanisms
- B41J17/04—Feed dependent on the record-paper feed, e.g. both moved at the same time
- B41J17/07—Feed dependent on the record-paper feed, e.g. both moved at the same time electromagnetically controlled
-
- 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
- B41J17/00—Mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper
- B41J17/02—Feeding mechanisms
- B41J17/12—Special adaptations for ensuring maximum life
-
- 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
- B41J17/00—Mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper
- B41J17/28—Arrangements of guides for the impression-transfer material
-
- 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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
- B41J2/325—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads by selective transfer of ink from ink carrier, e.g. from ink ribbon or sheet
-
- 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
- B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from 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
- B41J25/00—Actions or mechanisms not otherwise provided for
- B41J25/34—Bodily-changeable print heads or carriages
-
- 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
- B41J3/4075—Tape printers; Label printers
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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
- B41J33/00—Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
- B41J33/14—Ribbon-feed devices or mechanisms
- B41J33/16—Ribbon-feed devices or mechanisms with drive applied to spool or spool spindle
-
- 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
- B41J33/00—Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
- B41J33/14—Ribbon-feed devices or mechanisms
- B41J33/36—Ribbon-feed devices or mechanisms with means for adjusting feeding rate
-
- 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
- B41J33/00—Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
- B41J33/14—Ribbon-feed devices or mechanisms
- B41J33/54—Ribbon-feed devices or mechanisms for ensuring maximum life of the ribbon
Definitions
- the invention relates to a label printer for printing labels applied to a carrier tape, in particular labels wound on a roll, comprising a print head and a counter-element to the print head, which is designed to hold the carrier tape with the labels in contact with the print head, in particular a driven one Printing roller, in which case the carrier tape can be passed between the print head and the counter-element, a drive mechanism for the carrier tape with a driven, in particular stationarily mounted, carrier tape pull roller and at least one non-driven carrier tape pressure roller assigned to the carrier tape pull roller, with the carrier tape between the
- the carrier tape pull roller and the respective carrier tape pressure roller can be passed and transported in particular along a predetermined carrier tape transport path, the carrier tape pull roller and the respective carrier tape pressure roller after the print head viewed in the transport direction of the carrier tape and the counter element and in particular after a dispensing edge of the label printer arranged after the print head and the counter element.
- Label printers are used to label goods in manufacturing and logistics as well as in the food processing industry, especially as part of a weight and price labeling system.
- the labels are usually applied to a carrier tape and are in the form of a label roll.
- the labels are then fed past the print head and printed by means of the carrier tape pull roller. Thereafter, the labels are detached from the carrier tape and applied to the goods, and the returning carrier tape can be wound up.
- the respective carrier tape pinch roller is not driven, but presses the carrier tape against the carrier tape pull roller.
- the liner pull roller alone would not be adequate to pull the liner.
- the at least one carrier tape pressure roller can generate a contact pressure and thus a sufficient driving force on the carrier tape.
- speeds for transporting the carrier tape can be achieved which allow a number of labels, in particular up to three labels, to be printed per second.
- DE-A1-10 2008 019931 discloses a label printer.
- the invention is based on the object of specifying a label printer of the type mentioned at the beginning, which makes it possible to increase the transport speed of the carrier tape in order to increase the number of labels that can be printed per second, i.e. the throughput of printed labels.
- the drive mechanism for the carrier tape comprises a further driven carrier tape pull roller, in particular one that is mounted in a stationary manner, and a further non-driven carrier tape pull roller associated with the further carrier tape pull roller.
- pressure roller is provided, wherein the carrier tape can be passed between the further carrier tape pull roller and the further carrier tape pressure roller and can be transported in particular along the specified carrier tape transport path, and wherein the further carrier tape pull roller and the further carrier tape pressure roller can be seen in the transport direction of the carrier tape the print head and the counter element are arranged.
- the carrier tape By connecting a further carrier tape pull roller and a further carrier tape pressure roller in front of the print head and the counter-element, the carrier tape can travel along the carrier tape transport path at a higher speed be transported than previously known. This is achieved by the fact that the carrier tape is pulled off the label roll close to the label roll and not by the carrier tape pull roller and the respective carrier tape pressure roller, which are downstream of the print head and the counter-element and in particular only after a sharp deflection at a dispensing edge of the label printer act on the carrier tape, must be taken over. As a result of the carrier strip being driven at a higher speed, more labels can be printed in the same time in comparison with known label printers, and thus more labels can be applied than was previously possible.
- the carrier tape can also be accelerated more strongly by connecting a further carrier tape pull roller and a further carrier tape pressure roller in front of the print head and the counter-element, as is explained in more detail below.
- the additional carrier tape pull roller and the additional carrier tape pressure roller can be used to use label rolls that are more difficult to unwind than label rolls that are usually used, in particular heavier label rolls.
- the additional carrier tape pressure roller can be part of a pivoting element which is mounted pivotably about a pivot axis between an operating position and an insertion position for the carrier tape, wherein in the operating position of the pivoting element the carrier tape can be passed between the additional carrier tape pull roller and the additional carrier tape pressure roller and can be transported in particular along the predetermined carrier tape transport path, and wherein in the insertion position the additional carrier tape pressure roller is pivoted away from the additional carrier tape pull roller.
- the direction of rotation of the pivoting movement of the pivoting element from the insertion position into the operating position is opposite to the direction of rotation of the further carrier tape pull roller. In this way it can be achieved that during operation of the label printer the carrier tape passed between the further carrier tape pull roller and the further carrier tape pressure roller pulls the pivoting element in the direction of the operating position and counteracts pivoting in the direction of the insertion position.
- the pivoting element can be detachable from the label printer. This enables the pivoting element to be replaced quickly and easily in the event of a defect.
- the label printer can easily be converted or slimmed down to a label printer without the additional drive by the additional carrier tape pull roller and the additional carrier tape pressure roller.
- the further carrier tape pull roller can be retained as a non-driven deflection roller during the conversion and for this purpose can be mechanically uncoupled from a driving motor, which can also be removed.
- the label printer can be provided ex works in a slimmed-down form as a more cost-effective variant, particularly if a customer does not need to operate the label printer at a higher carrier tape speed. The label printer can therefore be used flexibly.
- the label printer can have a first operating mode and a second operating mode, with the first carrier tape pull roller and optionally the pressure roller and/or a carrier tape winding roller being operated at a higher rotational speed in the first operating mode than in the second operating mode .
- the label printer can then be operated either in a high-speed mode (first operating mode) or in a normal-speed mode (second operating mode).
- first operating mode is selected when the further carrier tape pull roller is driven and the further carrier tape pressure roller is present
- the second operating mode is selected when the label printer is in a slimmed-down form as explained above.
- the carrier tape has to be reversed for a short time, which results in a loss of speed and thus the throughput of printed labels, or the labels have to be arranged at a greater distance from one another, which is associated with higher costs.
- the counter-element is designed as a sliding plate, the distance between the printing area and the dispensing edge can be smaller, so that near-edge printing is possible without further measures having to be taken.
- the damping element can be provided in order to compensate for tolerances in the slide plate and/or the print head and/or to avoid damage to the print head when lowering towards the slide plate.
- the label printer can have an operating mode in which the print head is alternately adjusted between a position lowered onto the carrier tape, which is preferably assumed for printing a label, and a position raised from the carrier tape, which is preferably assumed between the printing of two consecutive labels will.
- the print head can be protected by lifting it off in the meantime when the print head is not printing.
- thermal transfer ribbon can also be saved.
- the lifting of the print head is possible in particular with a counter-element as explained above, which is designed as a sliding plate.
- the carrier tape pull roller and the further carrier tape pull roller, and optionally a carrier tape take-up roller are preferably operated at a higher rotational speed when the print head is in the raised position than when the print head is in the lowered position.
- the carrier tape must be decelerated and accelerated alternately between the printing of consecutive labels.
- the carrier tape can be accelerated more strongly by the additional carrier tape pull roller and the additional carrier tape pressure roller than would be the case with a printer known from the prior art without the additional drive by the additional carrier tape pull roller and the additional carrier tape pressure roller. so that a speed advantage can also be achieved in this regard.
- the label printer is a thermal transfer label printer and is designed to receive a thermal transfer ribbon, in particular wound on a roll, which can be guided through between the print head and the counter-element and in particular transported along a predetermined thermal transfer ribbon transport path, with a drive mechanism for the thermal transfer ribbon having a driven, in particular stationary, thermal transfer ribbon pull roller is provided, with the label printer comprising a non-driven thermal transfer ribbon pressure roller assigned to the thermal transfer ribbon pull roller, and with the thermal transfer ribbon pull roller and the thermal transfer ribbon pressure roller after the print head and viewed in the transport direction of the thermal transfer ribbon the counter-element are arranged.
- a direct thermal label printer a thermal transfer ribbon, a thermal transfer ribbon pull roller and a thermal transfer ribbon pinch roller are not required.
- a common motor which drives both the carrier tape pull roller and the thermal transfer ribbon pull roller, with the thermal transfer ribbon pull roller preferably being driven indirectly via the carrier tape pull roller and/or through the interposition of a slipping clutch and/or a gear will. Consequently, the carrier tape pull roller and the thermal transfer ribbon pull roller are mechanically synchronized with one another and only one motor is required to drive the two pull rollers. This is inexpensive.
- the carrier tape pull roller and the thermal transfer ribbon pull roller can be rotated in a fixed speed ratio by the gearing are driven to each other, and by the slip clutch occurring variations in the rotational speed of the carrier tape pull roller and / or the thermal transfer ribbon pull roller can be compensated.
- the common motor can also drive a thermal transfer ribbon take-up roller, which is preferably driven indirectly via the slip clutch and/or the gear and/or by interposing a further slip clutch.
- Another slip clutch for the thermal transfer ribbon take-up roller is advantageous because during operation more and more returning thermal transfer ribbon is wound onto the core of the thermal transfer ribbon take-up roller and the effective diameter of the thermal transfer ribbon take-up roller increases over time.
- a carrier tape take-up roller that is driven, in particular by its own motor, and in particular is stationarily mounted, and/or a driven thermal transfer ribbon take-up roller, in particular that is stationarily mounted, can be provided.
- the carrier tape winding roller and/or the thermal transfer ribbon winding roller can also be formed externally from the label printer.
- the additional carrier tape pull roller can be driven by its own motor.
- the power of the carrier tape pull roller motor then does not have to be shared with other driven rollers.
- the principle applies that the pressure roller can be driven by its own motor.
- the carrier tape pull roller, the further carrier tape pull roller and the pressure roller and optionally a carrier tape take-up roller can be driven by motors that are different from one another, with the motors being electronically synchronized with one another by means of a corresponding control system. More power can be achieved overall by using several motors.
- the label printer 11 shown for printing labels applied to a carrier tape 12 and wound onto a roll comprises a print head unit 13 with a print head 15 and a guide unit 17 for the carrier tape 12, which has a counter-element 19 for the print head 15.
- the carrier tape 12 with the labels is guided through between the print head 15 and the counter-element 19 when the label printer 11 is in operation.
- the counter-element 19 is intended to hold the carrier tape 12 with the labels in contact with the print head 15 in order to ensure that the labels are printed.
- the label printer 11 includes a drive mechanism for the carrier tape 12 with a driven, stationary carrier tape pull roller 21, which are associated with two non-driven carrier tape pressure rollers 23, each part of the guide unit 17.
- the carrier tape pull roller 21 and the two carrier tape pressure rollers 23 are provided to transport the carrier tape 12 along a predetermined carrier tape transport path.
- the carrier tape 12 between the carrier tape pull roller 21 and the respective carrier tape pressure roller 23 passed through.
- the two carrier tape pressure rollers 23 each press the carrier tape 12 against the carrier tape pull roller 21, so that a sufficient pressing and driving force is generated on the carrier tape 12.
- the backing tape 12 is unwound from a label roll 39 and wound up by a driven, stationarily mounted backing tape winding roller 41 .
- a gap is formed between the two carrier tape pressure rollers 23, into which the carrier tape pull roller 21 engages, so that the carrier tape transport path runs in an S-shape between the carrier tape pull roller 21 and the respective carrier tape pressure roller 23, so that in this area as a whole results in a double S-shaped course of the carrier tape transport path.
- the carrier tape pull roller 21 and the two carrier tape pressure rollers 23 are arranged behind the print head 15 and the counter element 19 and behind a dispensing edge 27 immediately downstream of the print head 15 and the counter element 19, viewed in the transport direction 25 of the carrier tape 12.
- the label printer 11 shown is designed as a thermal transfer label printer, ie the print head 15 is a thermal transfer print head.
- the label printer 11 thus also has a drive mechanism for a thermal transfer ribbon 44 wound on a roll.
- the drive mechanism for the thermal transfer ribbon 44 comprises a driven, stationary thermal transfer ribbon pull roller 45, which is assigned a non-driven thermal transfer ribbon pressure roller 47, which is part of the print head unit 13 is The thermal transfer ribbon pressure roller 47 presses the thermal transfer ribbon 44 against the thermal transfer ribbon pull roller 45, so that a sufficient pressing and driving force on the thermal transfer ribbon 44 is generated.
- the thermal transfer ribbon 44 is transported along a predetermined thermal transfer ribbon transport path and is guided between the print head 15 and the counter-element 19 on the one hand and between the thermal transfer ribbon pull roller 45 and the thermal transfer ribbon pressure roller 47 on the other.
- the thermal transfer ribbon 44 is unwound from a thermal transfer ribbon roll 49 and wound up by a driven, stationary thermal transfer ribbon winding roller 51 .
- the thermal transfer ribbon pull roller 45 and the thermal transfer ribbon pressure roller 47 are arranged after the print head 15 and the counter element 19 as seen in the transport direction 133 of the thermal transfer ribbon 44 .
- the guide unit 17 from their in the 1 and 4 counterclockwise operating position shown to their in the 2 and 3 insertion position shown for the carrier tape 12 are pivoted.
- the guide unit 17 in particular the angle element 29 , is mounted such that it can pivot about a pivot axis 53 .
- the counter element 19 is pivoted away from the print head 15 and the two carrier tape pressure rollers 23 are pivoted away from the carrier tape pull roller 21, so that the distance between the counter element 19 and the print head 15 and between the two carrier tape Pinch rollers 23 and the carrier tape pull roller 21 increases.
- the insertion of the thermal transfer ribbon 44 in the area of the print head 15 and the counter-element 19 does not present any difficulties because the print head 15 and the counter-element 19 are already at a sufficiently large distance from one another as a result of the pivoting of the guide unit 17 . In principle, however, this can also be provided differently.
- the pivoting of the print-head unit 13 should then preferably take place in such a way that the print head 15 is pivoted away from the counter-element 19, as is the case in the embodiments shown in the figures also is the case.
- the lever 59 has a recess 63 at its free end and the guide unit 17 has a protruding mushroom-head-shaped pin 65 (cf. 2 ). If the guide unit 17 is in its operating position and the lever 59 is in its holding position, the lever 59 hooks with the recess 63 on the pin 65 of the guide unit 17 . As a result, the guide unit 17 can be held in its operating position. Pivoting into their insertion position is then not possible.
- a knurled screw 67 is provided to fix the lever 59 in its holding position (cf. 2 ), which can be operated by hand. The axis of the knurled screw 67 coincides with the axis 61 of the lever 59.
- a locking device is provided in the form of a manually operable locking pin 69 forming the axis 61 of the lever 59 (cf. 2 ), by which the print head unit 13 can be fixed in its operating position.
- the blocking pin 69 can be adjusted along its longitudinal axis between a locked position and an unlocked position. In the blocked position, the blocking pin 69 engages in a blocking opening 139 formed in a carrier 79 of the label printer 11 that is set up on edge (cf. figure 5 ), so that pivoting of the print head unit 13 is prevented.
- the drive mechanism for the carrier tape 12 comprises a further driven, stationary carrier tape pull roller 71 and a non-driven further carrier tape pressure roller 73 assigned to the further carrier tape pull roller 71, which seen in the transport direction of the carrier tape 12 in front of the print head 15 and the counter-element 19 are arranged.
- the additional carrier tape pressure roller 73 presses the carrier tape 12 against the additional carrier tape pull roller 71, so that a pressing and driving force on the carrier tape 44 is generated.
- the carrier tape 12 can be passed between the additional carrier tape pull roller 71 and the additional carrier tape pressure roller 73 when the pivoting element 75 is in the operating position and can be transported along the carrier tape transport path and in the insertion position for the carrier tape 12 the additional carrier tape pressure roller 73 is pivoted away from the additional carrier tape pull roller 71 .
- the label printer 11 can have an operating mode in which the print head 15 is alternately adjusted between a position lowered onto the carrier tape 12 and a position lifted off the carrier tape 12 .
- a label can be printed in the respective print area, and the raised position is taken between the printing of two consecutive labels in the respective print areas.
- the print head 15 can assume the raised position in the areas in which the respective label is not printed.
- the carrier tape pull roller 21, the other carrier tape pull roller 71 and the carrier tape winding roller 41 with a higher Rotational speed can be operated than when the print head 15 is in the lowered position.
- the carrier tape 12 must be decelerated and accelerated alternately between the printing of successive print areas.
- the print head unit 13 and the guide unit 17 are each designed as an exchangeable module and can each be removed from the label printer 11, as shown in figure 5 is shown.
- a first receptacle 81 for the print head unit 13 and a second receptacle 83 for the guide unit 17 protrude from the carrier plate 79 .
- the two receptacles 81, 83 are each designed as a horizontally oriented holding mandrel in the form of a round rod.
- the two receptacles 81, 83 are fastened to the support plate 79 at one end in each case, and the print head unit 13 and the guide unit 17 can be pushed onto the receptacles 81, 83 from the other, cantilevered end.
- the print head unit 13 can be accommodated by the first receptacle 81, regardless of whether the guide unit 17 is received or removed from the second receptacle 83, and vice versa, i.e. the guide unit 17 can be regardless of whether the print head unit 13 is from the first receptacle 81 is picked up or taken off, can be picked up by the second shot 83.
- a knurled screw 85, 87 is provided (cf. 4 ), which can be solved by hand, so that the Print head unit 13 and the guide unit 17 can be quickly and easily attached and removed.
- Two different print head units 13 and two different guide units 17 are available for the label printer 11, with the label printer 11, in particular the two receptacles 81, 83, accommodating or supporting one of the two print head units 13 and one of the two guide units 17 when assembled and ready for operation . take up.
- the first of the two print head units 13 has a print head 15 which is designed as a thermal transfer print head 15', as is shown in FIGS Figures 1 to 4 and 11 is shown.
- the second of the two print head units 13 has a print head 15, which is designed as a direct thermal print head 15", as shown in 12 is shown.
- the print head unit 13 with the direct thermal print head 15'' has no thermal transfer ribbon pressure roller.
- the thermal transfer print head 15' can be operated together with the thermal transfer ribbon 44 in order to print using the thermal transfer printing method. Such prints are particularly durable. In principle, however, the thermal transfer print head 15 ′ can also print using the direct thermal method, ie without a thermal transfer ribbon 44 . The thermal transfer print head 15' can thus be used flexibly, but is also expensive. The 15" direct thermal print head can only print in the direct thermal process and is therefore cheaper.
- the pressure roller 19' is arranged at a certain distance from the dispensing edge 27 because of its diameter.
- the label printer 11 With the two different print head units 13 and the two different guide units 17 there is a set of different accessories for the label printer 11 .
- a single label printer 11 is required for printing with different equipment (thermal transfer printhead or direct thermal printhead, printing roller or sliding plate).
- a total of four different constellations are possible, which can be used as desired, in particular depending on the respective label type and/or the desired printing.
- the label printer 11 can thus be flexibly configured.
- the carrier tape take-up roller 41 is driven by a dedicated motor, not shown.
- the drive device of the other rollers 19 ', 21, 45, 51, 71 of the label printer 11, however, is from 6 shown, which shows a rear view of the support plate 79.
- the drive device initially comprises a first motor 91 which drives the carrier tape pull roller 21 via a toothed belt 93 .
- the first motor 91 drives the thermal transfer ribbon pull roller 45 indirectly via the carrier tape pull roller 21, a further toothed belt 95, a slipping clutch 97 and a gear 99.
- the thermal transfer ribbon take-up roller 51 is also driven by the transmission 99 with the interposition of a further slip clutch 101 .
- the first motor 91 is therefore a common motor for the carrier tape pull roller 21, the thermal transfer ribbon pull roller 45 and the thermal transfer ribbon take-up roller 51, which are thus mechanically synchronized with one another.
- the drive device comprises a second motor 103, which drives the further carrier tape pull roller 71 via a further toothed belt 105, provided that the further drive with the further carrier tape pull roller 71 and the further carrier tape pressure roller 73 is present, and a third motor 107, which drives the pressure roller 19' via two additional toothed belts 109, 111 connected in series and two subsequent, meshing toothed wheels 113, 115, provided that the guide unit 17 with the pressure roller 19' is used.
- Gear 113 is attached to the back of support plate 79 (see Fig figure 5 and 6 ), and the gear wheel 115 on the guide unit 17 with the pressure roller 19' (cf. 7 ). If the additional drive is not available, the second motor 103 can also be omitted. If the guide unit 17 with the sliding plate 19" is used, no gear wheel 115 is provided (cf. 8 ).
- the second motor 103 is a separate motor of the further carrier tape pull roller 71
- the third motor 107 is a separate motor of the pressure roller 19'.
- a dedicated motor is a motor that only drives one roller.
- the carrier tape pull roller 21, the further carrier tape pull roller 71, the pressure roller 19' and the carrier tape winding roller 41 are driven by different motors 91, 103, 107, which are, however, electronically synchronized with one another by means of a corresponding control system in order to ensure coordinated operation of the carrier tape pull roller 21, the further carrier tape pull roller 71, the pressure roller 19' and the carrier tape winding roller 41.
- the guide unit 17 is shown with the pressure roller 19', and in 8 shows the guide unit 17 with the slide plate 19".
- the second angle arm 33 of the angle element 29, which is identical in both cases, has a holder 117 with two fork-shaped holding arms 119, between which the two carrier tape pressure rollers 23 can be linearly displaced with their two axial ends
- the carrier tape pull roller 21 is arranged between the two carrier tape pressure rollers 23.
- the carrier tape pressure rollers 23 are each perpendicular to their axis of rotation, which runs parallel to the axis of rotation of the carrier tape pull roller 21. displaceably mounted, specifically in the operating position of the guide unit 17 in a direction of displacement towards the carrier tape pull roller 21 .
- a spring device 121 is provided to exert a pressing force on the carrier tape 12 when the guide unit 17 is in the operating position (cf Figures 7 to 9 ), which pretensions, in particular pulls, the two carrier tape pressure rollers 23 in their displacement direction and thus towards one another.
- the spring device 121 can automatically generate an especially suitable contact pressure force and thus a feed force on the carrier tape 12 .
- FIGS Figures 7 and 8 rear holder arm 119 has compared to that in FIGS Figures 7 and 8 front holding arm 119 has a recess 135 in order to allow the carrier tape pull roller 21 to reach through when the guide unit 17 is in the operating position.
- the spring device 121 comprises two tension springs 127 which are each arranged outside of the intermediate space formed between the two holding arms 119 and in each case resting against one of the two holding arms 119 .
- the spring device 121 comprises two tension springs 127 which are each arranged outside of the intermediate space formed between the two holding arms 119 and in each case resting against one of the two holding arms 119 .
- One of the two tension springs 127 acts on one of the two axial ends of one carrier tape pressure roller 23 and on the axial end of the other carrier tape pressure roller 23 on the same side, and the other tension spring 127 on the other two axial ends.
- the tension springs 127 are each designed as an elongated bent wire part that runs in one plane and is not wound, ie has no windings.
- the respective tension spring 127 is hook-shaped at its two wire ends, so that it can be easily attached to the two axial ends of the two carrier tape pressure rollers 23 lying on the same side.
- the two carrier tape pressure rollers 23 are pushed apart by the carrier tape pull roller 21 and against the bias of the spring device 121, ie the distance between the two carrier tape pressure rollers 23 increases.
- the operating position of the guide unit 17 can be reached in particular when the carrier tape pull roller 21 is approximately at the level of the connecting line perpendicular to the two axes of rotation of the two carrier tape pressure rollers 23, or it can be reached earlier. But it can also be provided that the carrier tape pull roller 21 - seen relatively - is pivoted beyond this connecting line into the intermediate space.
- the pivoting movement of the guide unit 17 is then divided into a first phase, in which the carrier tape pull roller 21 - seen relatively - is pivoted up to the straight connecting line, and into a second phase following the first phase, in which the two carrier tape pressure rollers 23 by the prestressed spring device 121 are pushed towards one another again, as a result of which the distance between the two carrier tape pressure rollers 23 is reduced again.
- the guide unit 17 includes a sensor 129 for detecting the labels, in particular an optical sensor, in particular a light barrier (cf. 2 ), which is arranged between the further carrier tape pull roller 71 and the further carrier tape pressure roller 73 on the one hand and the print head 15 and the counter-element 19 on the other hand, viewed in the transport direction 25 of the carrier tape 12.
- the label sensor 129 is provided to detect the leading edges of the labels in order to synchronize the drive of the carrier tape 12 with the control for the print head 15.
- white labels, decorative labels and transparent labels with black marks on the carrier strip 12 can be detected with the label sensor 129 .
- a further sensor 131 namely an ultrasonic sensor, is provided to detect such labels (cf. 2 ) which, seen in the transport direction 25 of the carrier tape 12, is arranged between the further carrier tape pull roller 71 and the further carrier tape pressure roller 73 on the one hand and the print head 15 and the counter-element 19 on the other.
- the knurled screw 67 is loosened, then the lever 59 is pivoted clockwise to its release position in order to release the hooking with the guide unit 17, and then the guide unit 15 is pivoted counterclockwise to its insertion position for the carrier tape 12. If the additional drive with the additional carrier tape pull roller 71 and the additional carrier tape pressure roller 73 is present, the pivoting element 75 must also be pivoted clockwise into its insertion position for the carrier tape 12 . This can be done at any time. The used carrier tape 12 can then be removed from the label printer 11 and the new carrier tape can simply be inserted or inserted into the label printer 11 from the front.
- thermal transfer ribbon roll 49 To change the thermal transfer ribbon roll 49, first carry out the steps explained above for changing the label roll 39, with the exception, if necessary, of pivoting the optional pivoting element 75.
- the blocking pin 69 is then pulled forward and the print head unit 13 can be moved clockwise into its insertion position for the thermal transfer ribbon 44 can be pivoted.
- the used thermal transfer ribbon 44 can then be removed from the label printer 11 and the new thermal transfer ribbon can simply be inserted or inserted into the label printer 11 from the front.
- the label printer explained above is easy to use and can be used flexibly.
Description
Die Erfindung betrifft einen Etikettendrucker zum Bedrucken von auf einem Trägerband aufgebrachten, insbesondere auf Rolle gewickelten Etiketten, umfassend einen Druckkopf und ein Gegenelement zu dem Druckkopf, das dazu ausgebildet ist, das Trägerband mit den Etiketten in Anlage an dem Druckkopf zu halten, insbesondere eine angetriebene Druckwalze, wobei das Trägerband zwischen dem Druckkopf und dem Gegenelement hindurchführbar ist, einen Antriebsmechanismus für das Trägerband mit einer angetriebenen, insbesondere ortsfest gelagerten, Trägerband-Zugwalze und wenigstens eine der Trägerband-Zugwalze zugeordnete, nicht angetriebene Trägerband-Andruckrolle, wobei das Trägerband zwischen der Trägerband-Zugwalze und der jeweiligen Trägerband-Andruckrolle hindurchführbar und insbesondere entlang einer vorgegebenen Trägerband-Transportbahn transportierbar ist, wobei in Transportrichtung des Trägerbands gesehen die Trägerband-Zugwalze und die jeweilige Trägerband-Andruckrolle nach dem Druckkopf und dem Gegenelement und insbesondere nach einer nach dem Druckkopf und dem Gegenelement angeordneten Spendekante des Etikettendruckers angeordnet sind.The invention relates to a label printer for printing labels applied to a carrier tape, in particular labels wound on a roll, comprising a print head and a counter-element to the print head, which is designed to hold the carrier tape with the labels in contact with the print head, in particular a driven one Printing roller, in which case the carrier tape can be passed between the print head and the counter-element, a drive mechanism for the carrier tape with a driven, in particular stationarily mounted, carrier tape pull roller and at least one non-driven carrier tape pressure roller assigned to the carrier tape pull roller, with the carrier tape between the The carrier tape pull roller and the respective carrier tape pressure roller can be passed and transported in particular along a predetermined carrier tape transport path, the carrier tape pull roller and the respective carrier tape pressure roller after the print head viewed in the transport direction of the carrier tape and the counter element and in particular after a dispensing edge of the label printer arranged after the print head and the counter element.
Etikettendrucker werden zur Kennzeichnung von Waren im produzierenden Gewerbe und in der Logistik sowie in der lebensmittelverarbeitenden Industrie, insbesondere als Teil eines Systems zur Gewichts- und Preisauszeichnung, eingesetzt. Üblicherweise sind die Etiketten dabei auf einem Trägerband aufgebracht und liegen in Form einer Etikettenrolle vor. Im Betrieb des Etikettendruckers werden die Etiketten dann mittels der Trägerband-Zugwalze an dem Druckkopf vorbeigeführt und bedruckt. Danach werden die Etiketten von dem Trägerband abgelöst und auf die Waren appliziert, und das rücklaufende Trägerband kann aufgewickelt werden.Label printers are used to label goods in manufacturing and logistics as well as in the food processing industry, especially as part of a weight and price labeling system. The labels are usually applied to a carrier tape and are in the form of a label roll. When the label printer is in operation, the labels are then fed past the print head and printed by means of the carrier tape pull roller. Thereafter, the labels are detached from the carrier tape and applied to the goods, and the returning carrier tape can be wound up.
Die jeweilige Trägerband-Andruckrolle wird nicht angetrieben, drückt das Trägerband jedoch gegen die Trägerband-Zugwalze. Die Trägerband-Zugwalze alleine wäre nicht ausreichend geeignet, das Trägerband zu ziehen. Durch die wenigstens eine Trägerband-Andruckrolle kann jedoch eine Anpresskraft und damit eine ausreichende Vortriebskraft auf das Trägerband erzeugt werden. Hierdurch können Geschwindigkeiten für den Transport des Trägerbands erreicht werden, die ein Drucken von mehreren Etiketten, insbesondere bis zu drei Etiketten, pro Sekunde erlauben.
Der Erfindung liegt die Aufgabe zugrunde, einen Etikettendrucker der eingangs genannten Art anzugeben, der ermöglicht, die Transportgeschwindigkeit des Trägerbands zu erhöhen, um die Anzahl der pro Sekunde bedruckbaren Etiketten, d.h. den Durchsatz an bedruckten Etiketten, zu steigern.The invention is based on the object of specifying a label printer of the type mentioned at the beginning, which makes it possible to increase the transport speed of the carrier tape in order to increase the number of labels that can be printed per second, i.e. the throughput of printed labels.
Diese Aufgabe wird durch einen Etikettendrucker mit den Merkmalen des Anspruchs 1 gelöst, und insbesondere dadurch, dass der Antriebsmechanismus für das Trägerband eine, insbesondere ortsfest gelagerte, weitere angetriebene Trägerband-Zugwalze umfasst und eine der weiteren Trägerband-Zugwalze zugeordnete, weitere nicht angetriebene Trägerband-Andruckrolle vorgesehen ist, wobei das Trägerband zwischen der weiteren Trägerband-Zugwalze und der weiteren Trägerband-Andruckrolle hindurchführbar und insbesondere entlang der vorgegebenen Trägerband-Transportbahn transportierbar ist, und wobei in Transportrichtung des Trägerbands gesehen die weitere Trägerband-Zugwalze und die weitere Trägerband-Andruckrolle vor dem Druckkopf und dem Gegenelement angeordnet sind.This object is achieved by a label printer having the features of claim 1, and in particular in that the drive mechanism for the carrier tape comprises a further driven carrier tape pull roller, in particular one that is mounted in a stationary manner, and a further non-driven carrier tape pull roller associated with the further carrier tape pull roller. pressure roller is provided, wherein the carrier tape can be passed between the further carrier tape pull roller and the further carrier tape pressure roller and can be transported in particular along the specified carrier tape transport path, and wherein the further carrier tape pull roller and the further carrier tape pressure roller can be seen in the transport direction of the carrier tape the print head and the counter element are arranged.
Durch das Vorschalten einer weiteren Trägerband-Zugwalze und einer weiteren Trägerband-Andruckrolle vor den Druckkopf und das Gegenelement kann das Trägerband mit höherer Geschwindigkeit entlang der Trägerband-Transportbahn transportiert werden als bislang bekannt. Dies wird dadurch erreicht, dass das Abziehen des Trägerbands von der Etikettenrolle nahe an der Etikettenrolle erfolgt und nicht von der Trägerband-Zugwalze und der jeweiligen Trägerband-Andruckrolle, die dem Druckkopf und dem Gegenelement nachgeschaltet sind und insbesondere erst nach einer scharfen Umlenkung an einer Spendekante des Etikettendruckers auf das Trägerband einwirken, übernommen werden muss. Aufgrund des mit einer höheren Geschwindigkeit angetriebenen Trägerbands können im Vergleich zu bekannten Etikettendruckern in derselben Zeit mehr Etiketten bedruckt und damit mehr Etiketten appliziert werden als bislang möglich. Darüber hinaus kann durch das Vorschalten einer weiteren Trägerband-Zugwalze und einer weiteren Trägerband-Andruckrolle vor den Druckkopf und das Gegenelement das Trägerband auch stärker beschleunigt werden, wie es nachstehend noch näher erläutert ist. Alternativ oder zusätzlich können durch die weitere Trägerband-Zugwalze und die weitere Trägerband-Andruckrolle Etikettenrollen verwendet werden, die schwerer abzuwickeln sind als üblicherweise verwendete Etikettenrollen, insbesondere schwerere Etikettenrollen.By connecting a further carrier tape pull roller and a further carrier tape pressure roller in front of the print head and the counter-element, the carrier tape can travel along the carrier tape transport path at a higher speed be transported than previously known. This is achieved by the fact that the carrier tape is pulled off the label roll close to the label roll and not by the carrier tape pull roller and the respective carrier tape pressure roller, which are downstream of the print head and the counter-element and in particular only after a sharp deflection at a dispensing edge of the label printer act on the carrier tape, must be taken over. As a result of the carrier strip being driven at a higher speed, more labels can be printed in the same time in comparison with known label printers, and thus more labels can be applied than was previously possible. In addition, the carrier tape can also be accelerated more strongly by connecting a further carrier tape pull roller and a further carrier tape pressure roller in front of the print head and the counter-element, as is explained in more detail below. As an alternative or in addition, the additional carrier tape pull roller and the additional carrier tape pressure roller can be used to use label rolls that are more difficult to unwind than label rolls that are usually used, in particular heavier label rolls.
Die weitere Trägerband-Andruckrolle kann Teil eines Schwenkelements sein, das um eine Schwenkachse zwischen einer Betriebsstellung und einer Einsetzstellung für das Trägerband verschwenkbar gelagert ist, wobei in der Betriebsstellung des Schwenkelements das Trägerband zwischen der weiteren Trägerband-Zugwalze und der weiteren Trägerband-Andruckrolle hindurchführbar und insbesondere entlang der vorgegebenen Trägerband-Transportbahn transportierbar ist, und wobei in der Einsetzstellung die weitere Trägerband-Andruckrolle von der weiteren Trägerband-Zugwalze weggeschwenkt ist. In der Betriebsstellung des Schwenkelements ist ein Wechsel der Etikettenrolle zeitaufwändig, da bei dieser Stellung die weitere Trägerband-Zugwalze und die weitere Trägerband-Andruckrolle zumindest nicht ausreichend weit voneinander beabstandet sind, so dass das Trägerband der neuen Etikettenrolle umständlich zwischen die weitere Trägerband-Zugwalze und die weitere Trägerband-Andruckrolle eingefädelt werden muss. Um dies zu vermeiden, wird bei einem Wechsel der Etikettenrolle das Schwenkelement in die Einsetzstellung verschwenkt, wodurch die weitere Trägerband-Andruckrolle von der weiteren Trägerband-Zugwalze weggeschwenkt wird. Der Abstand zwischen der weiteren Trägerband-Zugwalze und der weiteren Trägerband-Andruckrolle wird dadurch vergrößert bzw. erst geschaffen, so dass das Trägerband nicht umständlich eingefädelt werden muss, sondern ohne weiteren Aufwand ganz einfach bzw. ungehindert eingelegt werden kann.The additional carrier tape pressure roller can be part of a pivoting element which is mounted pivotably about a pivot axis between an operating position and an insertion position for the carrier tape, wherein in the operating position of the pivoting element the carrier tape can be passed between the additional carrier tape pull roller and the additional carrier tape pressure roller and can be transported in particular along the predetermined carrier tape transport path, and wherein in the insertion position the additional carrier tape pressure roller is pivoted away from the additional carrier tape pull roller. In the operating position of the pivoting element, changing the label roll is time-consuming, since in this position the additional carrier tape pull roller and the additional carrier tape pressure roller are at least not sufficiently far apart from one another, so that the carrier tape of the new label roll is laboriously placed between the additional carrier tape pull roller and the other carrier tape pressure roller has to be threaded in. To this avoid, when changing the label roll, the pivoting element is pivoted into the insertion position, as a result of which the additional carrier tape pressure roller is pivoted away from the additional carrier tape pull roller. The distance between the additional carrier tape pull roller and the additional carrier tape pressure roller is thereby increased or created in the first place, so that the carrier tape does not have to be threaded in cumbersomely, but can be easily and unhindered inserted without any further effort.
Dabei ist es bevorzugt, wenn der Drehsinn der Verschwenkbewegung des Schwenkelements aus der Einsetzstellung in die Betriebsstellung dem Drehsinn der weiteren Trägerband-Zugwalze entgegengesetzt ist. Hierdurch kann erreicht werden, dass im Betrieb des Etikettendruckers das zwischen der weiteren Trägerband-Zugwalze und der weiteren Trägerband-Andruckrolle hindurchgeführte Trägerband das Schwenkelement gewissermaßen in Richtung der Betriebsstellung zieht und einem Verschwenken in Richtung der Einsetzstellung entgegenwirkt.In this case, it is preferred if the direction of rotation of the pivoting movement of the pivoting element from the insertion position into the operating position is opposite to the direction of rotation of the further carrier tape pull roller. In this way it can be achieved that during operation of the label printer the carrier tape passed between the further carrier tape pull roller and the further carrier tape pressure roller pulls the pivoting element in the direction of the operating position and counteracts pivoting in the direction of the insertion position.
Das Schwenkelement kann von dem Etikettendrucker abnehmbar ausgebildet sein. Dies ermöglicht, das Schwenkelement im Defektfall schnell und unkompliziert zu ersetzen. Darüber hinaus kann der Etikettendrucker einfach auf einen Etikettendrucker ohne den weiteren Antrieb durch die weitere Trägerband-Zugwalze und die weitere Trägerband-Andruckrolle umgerüstet bzw. abgespeckt werden. Die weitere Trägerband-Zugwalze kann bei der Umrüstung als nicht angetriebene Umlenkrolle beibehalten werden und hierzu von einem antreibenden Motor mechanisch abkoppelt werden, der auch entfernt werden kann. Darüber hinaus kann der Etikettendrucker bereits von Werk aus in der abgespeckten Form als kostengünstigere Variante bereitgestellt werden, insbesondere wenn für einen Kunden ein Betrieb des Etikettendruckers mit einer höheren Trägerband-Geschwindigkeit nicht erforderlich ist. Der Etikettendrucker ist dadurch flexibel einsetzbar.The pivoting element can be detachable from the label printer. This enables the pivoting element to be replaced quickly and easily in the event of a defect. In addition, the label printer can easily be converted or slimmed down to a label printer without the additional drive by the additional carrier tape pull roller and the additional carrier tape pressure roller. The further carrier tape pull roller can be retained as a non-driven deflection roller during the conversion and for this purpose can be mechanically uncoupled from a driving motor, which can also be removed. In addition, the label printer can be provided ex works in a slimmed-down form as a more cost-effective variant, particularly if a customer does not need to operate the label printer at a higher carrier tape speed. The label printer can therefore be used flexibly.
Grundsätzlich kann der Etikettendrucker einen ersten Betriebsmodus und einen zweiten Betriebsmodus aufweisen, wobei die erste Trägerband-Zugwalze, und optional die Druckwalze und/oder eine Trägerband-Aufwickelwalze, in dem ersten Betriebsmodus mit einer höheren Drehgeschwindigkeit als in dem zweiten Betriebsmodus betrieben wird bzw. werden. Der Etikettendrucker kann dann wahlweise in einem Hochgeschwindigkeitsmodus (erster Betriebsmodus) oder einem Normalgeschwindigkeitsmodus (zweiter Betriebsmodus) betrieben werden. Insbesondere kann vorgesehen sein, dass der erste Betriebsmodus gewählt wird, wenn die weitere Trägerband-Zugwalze angetrieben wird und die weitere Trägerband-Andruckrolle vorhanden ist, und der zweite Betriebsmodus gewählt wird, wenn der Etikettendrucker in einer wie vorstehend erläuterten abgespeckten Form vorliegt.In principle, the label printer can have a first operating mode and a second operating mode, with the first carrier tape pull roller and optionally the pressure roller and/or a carrier tape winding roller being operated at a higher rotational speed in the first operating mode than in the second operating mode . The label printer can then be operated either in a high-speed mode (first operating mode) or in a normal-speed mode (second operating mode). In particular, it can be provided that the first operating mode is selected when the further carrier tape pull roller is driven and the further carrier tape pressure roller is present, and the second operating mode is selected when the label printer is in a slimmed-down form as explained above.
Insbesondere kann das Gegenelement als, insbesondere metallische und/oder mit einem Dämpfungselement, insbesondere einem Filz, versehene, Gleitplatte ausgebildet sein. Eine Druckwalze als Gegenelement bedingt aufgrund ihres Durchmessers einen gewissen Abstand zwischen dem Druckbereich und einer unmittelbar nachgeordneten Spende- oder Abziehkante des Etikettendruckers. Dabei ist es dann möglich, dass bei Ablösung eines vorlaufenden Etiketts an der Spendekante ein nachlaufendes Etikett bereits teilweise durch den Druckbereich hindurchgelaufen ist, so dass ein sogenannter Near-Edge-Druck an der vorderen Etikettenkante ohne weitere Maßnahmen nicht möglich ist. Um dies zu verhindern, muss entweder das Trägerband kurzzeitig reversiert werden, wodurch es zu einem Geschwindigkeitsverlust kommt und dadurch der Durchsatz an bedruckten Etiketten sinkt, oder die Etiketten müssen in einem größeren Abstand zueinander angeordnet werden, was mit höheren Kosten verbunden ist. Ist das Gegenelement als Gleitplatte ausgebildet, kann der Abstand zwischen dem Druckbereich und der Spendekante kleiner sein, so dass ein Near-Edge-Druck möglich ist, ohne dass weitere Maßnahmen getroffen werden müssen. Das Dämpfungselement kann vorgesehen sein, um Toleranzen der Gleitplatte und/oder des Druckkopfs auszugleichen und/oder eine Beschädigung des Druckkopfs beim Absenken in Richtung der Gleitplatte zu vermeiden.In particular, the counter-element can be designed as a sliding plate, in particular metallic and/or provided with a damping element, in particular a felt. Due to its diameter, a pressure roller as a counter-element requires a certain distance between the printing area and an immediately downstream dispensing or peel-off edge of the label printer. It is then possible that when a leading label is detached at the dispensing edge, a trailing label has already partially run through the print area, so that so-called near-edge printing on the front label edge is not possible without further measures. To prevent this, either the carrier tape has to be reversed for a short time, which results in a loss of speed and thus the throughput of printed labels, or the labels have to be arranged at a greater distance from one another, which is associated with higher costs. If the counter-element is designed as a sliding plate, the distance between the printing area and the dispensing edge can be smaller, so that near-edge printing is possible without further measures having to be taken. The damping element can be provided in order to compensate for tolerances in the slide plate and/or the print head and/or to avoid damage to the print head when lowering towards the slide plate.
Der Etikettendrucker kann einen Betriebsmodus aufweisen, in dem der Druckkopf alternierend zwischen einer auf das Trägerband abgesenkten Position, die bevorzugt zum Bedrucken eines Etiketts eingenommen wird, und einer von dem Trägerband abgehobenen Position, die bevorzugt zwischen dem Bedrucken zweier aufeinander folgender Etiketten eingenommen wird, verstellt wird. Durch das Zwischenzeitliche Abheben in der Zeit, in der der Druckkopf nicht druckt, kann der Druckkopf geschont werden. Im Falle eines Thermotransfer-Druckkopfs kann zusätzlich Thermotransferband gespart werden. Das Abheben des Druckkopfs ist insbesondere bei einem wie vorstehend erläuterten Gegenelement möglich, das als Gleitplatte ausgebildet ist. Bei Verwendung einer Druckwalze als Gegenelement wird der Druckkopf üblicherweise nicht abgehoben, da üblicherweise auch die angetriebene Druckwalze ein korrespondierendes Element benötigt, um eine ausreichende Anpress- und Vortriebskraft auf das Trägerband zu erzeugen.The label printer can have an operating mode in which the print head is alternately adjusted between a position lowered onto the carrier tape, which is preferably assumed for printing a label, and a position raised from the carrier tape, which is preferably assumed between the printing of two consecutive labels will. The print head can be protected by lifting it off in the meantime when the print head is not printing. In the case of a thermal transfer print head, thermal transfer ribbon can also be saved. The lifting of the print head is possible in particular with a counter-element as explained above, which is designed as a sliding plate. When using a pressure roller as a counter-element, the print head is usually not lifted, since the driven pressure roller usually also requires a corresponding element in order to generate a sufficient pressing and driving force on the carrier tape.
Bevorzugt werden in dem Betriebsmodus die Trägerband-Zugwalze und die weitere Trägerband-Zugwalze, und optional eine Trägerband-Aufwickelwalze, bei abgehobener Position des Druckkopfs mit einer höheren Drehgeschwindigkeit betrieben werden als bei abgesenkter Position des Druckkopfs. Hierzu muss das Trägerband zwischen dem Bedrucken aufeinander folgender Etiketten alternierend abgebremst und beschleunigt werden. Durch die weitere Trägerband-Zugwalze und die weitere Trägerband-Andruckrolle kann das Trägerband stärker beschleunigt werden, als dies bei einem aus dem Stand der Technik bekannten Drucker ohne den weiteren Antrieb durch die weitere Trägerband-Zugwalze und die weitere Trägerband-Andruckrolle der Fall wäre, so dass auch diesbezüglich ein Geschwindigkeitsvorteil erzielt werden kann. Dies kann insbesondere dann der Fall sein, wenn Schmucketiketten, d.h. vorgedruckte, insbesondere farbige Etiketten, verwendet werden, die nur noch in einem kleinen Bereich entlang ihrer Erstreckung in Transportrichtung des Trägerbands mit Gewichtsdaten, Haltbarkeitsnummer, Chargennummer und/oder dergleichen bedruckt werden, d.h. wenn Etiketten über große Bereiche, beispielsweise über mehr als 5 cm, hinweg nicht bedruckt werden. In den nicht zu bedruckenden Bereichen der Etiketten kann der Druckkopf abgehoben werden.In the operating mode, the carrier tape pull roller and the further carrier tape pull roller, and optionally a carrier tape take-up roller, are preferably operated at a higher rotational speed when the print head is in the raised position than when the print head is in the lowered position. For this purpose, the carrier tape must be decelerated and accelerated alternately between the printing of consecutive labels. The carrier tape can be accelerated more strongly by the additional carrier tape pull roller and the additional carrier tape pressure roller than would be the case with a printer known from the prior art without the additional drive by the additional carrier tape pull roller and the additional carrier tape pressure roller. so that a speed advantage can also be achieved in this regard. This can be the case in particular when decorative labels, ie pre-printed labels, in particular colored labels, are used which only cover a small area along their extent are printed with weight data, best before number, batch number and/or the like in the transport direction of the carrier tape, ie when labels are not printed over large areas, for example over more than 5 cm. The print head can be lifted off in the areas of the label that are not to be printed.
Nach einer Ausgestaltung der Erfindung ist der Etikettendrucker ein Thermotransfer-Etikettendrucker und dazu ausgebildet, ein insbesondere auf Rolle gewickeltes Thermotransferband aufzunehmen, das zwischen dem Druckkopf und dem Gegenelement hindurchführbar und insbesondere entlang einer vorgegebenen Thermotransferband-Transportbahn transportierbar ist, wobei ein Antriebsmechanismus für das Thermotransferband mit einer angetriebenen, insbesondere ortsfest gelagerten, Thermotransferband-Zugwalze vorgesehen ist, wobei der Etikettendrucker eine der Thermotransferband-Zugwalze zugeordnete, nicht angetriebene Thermotransferband-Andruckrolle umfasst, und wobei in Transportrichtung des Thermotransferbands gesehen die Thermotransferband-Zugwalze und die Thermotransferband-Andruckrolle nach dem Druckkopf und dem Gegenelement angeordnet sind. Bei einem Thermodirekt-Etikettendrucker sind ein Thermotransferband, eine Thermotransferband-Zugwalze und eine Thermotransferband-Andruckrolle nicht erforderlich.According to one embodiment of the invention, the label printer is a thermal transfer label printer and is designed to receive a thermal transfer ribbon, in particular wound on a roll, which can be guided through between the print head and the counter-element and in particular transported along a predetermined thermal transfer ribbon transport path, with a drive mechanism for the thermal transfer ribbon having a driven, in particular stationary, thermal transfer ribbon pull roller is provided, with the label printer comprising a non-driven thermal transfer ribbon pressure roller assigned to the thermal transfer ribbon pull roller, and with the thermal transfer ribbon pull roller and the thermal transfer ribbon pressure roller after the print head and viewed in the transport direction of the thermal transfer ribbon the counter-element are arranged. With a direct thermal label printer, a thermal transfer ribbon, a thermal transfer ribbon pull roller and a thermal transfer ribbon pinch roller are not required.
Nach einer Ausgestaltung der Erfindung ist ein gemeinsamer Motor vorgesehen, der sowohl die Trägerband-Zugwalze als auch die Thermotransferband-Zugwalze antreibt, wobei bevorzugt die Thermotransferband-Zugwalze mittelbar über die Trägerband-Zugwalze und/oder durch Zwischenschaltung einer Rutschkupplung und/oder eines Getriebes angetrieben wird. Folglich sind die Trägerband-Zugwalze und die Thermotransferband-Zugwalze mechanisch miteinander synchronisiert und es wird für den Antrieb der beiden Zugwalzen nur ein Motor benötigt. Dies ist kostengünstig. Durch das Getriebe können die Trägerband-Zugwalze und die Thermotransferband-Zugwalze in einem festen Drehgeschwindigkeitsverhältnis zueinander angetrieben werden, und durch die Rutschkupplung können auftretende Variationen in der Drehgeschwindigkeit der Trägerband-Zugwalze und/oder der Thermotransferband-Zugwalze kompensiert werden. Der gemeinsame Motor kann ferner auch eine Thermotransferband-Aufwickelwalze antreiben, die bevorzugt mittelbar über die Rutschkupplung und/oder das Getriebe und/oder durch Zwischenschaltung einer weiteren Rutschkupplung angetrieben wird. Eine weitere Rutschkupplung für die Thermotransferband-Aufwickelwalze ist vorteilhaft, da im Betrieb immer mehr rücklaufendes Thermotransferband auf den Kern der Thermotransferband-Aufwickelwalze aufgewickelt wird und somit der wirksame Durchmesser der Thermotransferband-Aufwickelwalze im Laufe der Zeit steigt.According to one embodiment of the invention, a common motor is provided, which drives both the carrier tape pull roller and the thermal transfer ribbon pull roller, with the thermal transfer ribbon pull roller preferably being driven indirectly via the carrier tape pull roller and/or through the interposition of a slipping clutch and/or a gear will. Consequently, the carrier tape pull roller and the thermal transfer ribbon pull roller are mechanically synchronized with one another and only one motor is required to drive the two pull rollers. This is inexpensive. The carrier tape pull roller and the thermal transfer ribbon pull roller can be rotated in a fixed speed ratio by the gearing are driven to each other, and by the slip clutch occurring variations in the rotational speed of the carrier tape pull roller and / or the thermal transfer ribbon pull roller can be compensated. The common motor can also drive a thermal transfer ribbon take-up roller, which is preferably driven indirectly via the slip clutch and/or the gear and/or by interposing a further slip clutch. Another slip clutch for the thermal transfer ribbon take-up roller is advantageous because during operation more and more returning thermal transfer ribbon is wound onto the core of the thermal transfer ribbon take-up roller and the effective diameter of the thermal transfer ribbon take-up roller increases over time.
Grundsätzlich kann eine, insbesondere von einem eigenen Motor, angetriebene, insbesondere ortsfest gelagerte, Trägerband-Aufwickelwalze und/oder kann eine angetriebene, insbesondere ortsfest gelagerte, Thermotransferband-Aufwickelwalze vorgesehen sein. Grundsätzlich kann bzw. können die Trägerband-Aufwickelwalze und/oder die Thermotransferband-Aufwickelwalze auch extern von dem Etikettendrucker ausgebildet sein.In principle, a carrier tape take-up roller that is driven, in particular by its own motor, and in particular is stationarily mounted, and/or a driven thermal transfer ribbon take-up roller, in particular that is stationarily mounted, can be provided. In principle, the carrier tape winding roller and/or the thermal transfer ribbon winding roller can also be formed externally from the label printer.
Die weitere Trägerband-Zugwalze kann von einem eigenen Motor angetrieben werden. Die Leistung des Motors der Trägerband-Zugwalze muss dann nicht mit anderen angetriebenen Walzen geteilt werden. Darüber hinaus gilt grundsätzlich, dass die Druckwalze von einem eigenen Motor angetrieben werden kann.The additional carrier tape pull roller can be driven by its own motor. The power of the carrier tape pull roller motor then does not have to be shared with other driven rollers. In addition, the principle applies that the pressure roller can be driven by its own motor.
Die Trägerband-Zugwalze, die weitere Trägerband-Zugwalze und die Druckwalze und optional eine Trägerband-Aufwickelwalze können von voneinander verschiedenen Motoren angetrieben werden, wobei die Motoren durch eine entsprechende Regelung elektronisch miteinander synchronisiert sind. Durch mehrere Motoren kann insgesamt mehr Leistung erzielt werden.The carrier tape pull roller, the further carrier tape pull roller and the pressure roller and optionally a carrier tape take-up roller can be driven by motors that are different from one another, with the motors being electronically synchronized with one another by means of a corresponding control system. More power can be achieved overall by using several motors.
Vorteilhafte Ausgestaltungen der Erfindung sind auch in den Unteransprüchen, der Beschreibung und der Zeichnung beschrieben.Advantageous configurations of the invention are also described in the dependent claims, the description and the drawing.
Die Erfindung wird im Folgenden beispielhaft unter Bezugnahme auf die Zeichnungen beschrieben. Es zeigen,
- Fig. 1
- einen erfindungsgemäßen Etikettendrucker zum Bedrucken von auf einem Trägerband aufgebrachten Etiketten gemäß einer ersten Ausführungsform mit einer Druckkopfeinheit, einer Führungseinheit für das Trägerband und einem Hochgeschwindigkeitsantrieb, die sich jeweils in einer Betriebsstellung befinden,
- Fig. 2
- einen erfindungsgemäßen Etikettendrucker gemäß einer zweiten Ausführungsform mit einer alternativen Führungseinheit, die sich in einer Einsetzstellung für das Trägerband befindet,
- Fig. 3
- den Etikettendrucker aus
Fig. 2 , wobei sich zusätzlich die Druckkopfeinheit in einer Einsetzstellung für ein Thermotransferband befindet, - Fig. 4
- den Etikettendrucker aus
Fig. 1 , wobei sich der Hochgeschwindigkeitsantrieb in einer Einsetzstellung für das Trägerband befindet, - Fig. 5
- den Etikettendrucker aus
Fig. 1 , wobei sowohl die Druckkopfeinheit als auch die Führungseinheit abgenommen sind, - Fig. 6
- eine rückwärtige Ansicht des Etikettendruckers aus
Fig. 1 auf den Antrieb des Etikettendruckers, - Fig. 7
- die Führungseinheit aus
Fig. 1 in Einzeldarstellung mit zwei Andruckrollen, einer zugehörigen Halterung und einer Federeinrichtung, - Fig. 8
- die alternative Führungseinheit aus
Fig. 2 in Einzeldarstellung mit zwei Andruckrollen, einer zugehörigen Halterung und einer Federeinrichtung, - Fig. 9
- die zwei Andruckrollen und die Federeinrichtung aus
Fig. 7 oder 8 , - Fig. 10
- einen Haltearm der Halterung aus
Fig. 7 oder 8 , - Fig. 11
- die Druckkopfeinheit aus
Fig. 1 oder2 in Einzeldarstellung, und - Fig. 12
- eine alternative Druckkopfeinheit.
- 1
- a label printer according to the invention for printing labels applied to a carrier tape according to a first embodiment with a print head unit, a guide unit for the carrier tape and a high-speed drive, each of which is in an operating position,
- 2
- a label printer according to the invention according to a second embodiment with an alternative guide unit which is in an insertion position for the carrier tape,
- 3
- the label printer
2 , wherein the printhead unit is also in an insertion position for a thermal transfer ribbon, - 4
- the label printer
1 with the high speed drive in a carrier tape loading position, - figure 5
- the label printer
1 , with both the printhead assembly and guide assembly removed, - 6
- a rear view of the label printer
1 on the drive of the label printer, - 7
- the lead unit
1 in an individual representation with two pressure rollers, an associated holder and a spring device, - 8
- the alternate leadership unit
2 in an individual representation with two pressure rollers, an associated holder and a spring device, - 9
- the two pressure rollers and the spring device
Fig. 7 or 8 , - 10
- a holding arm of the bracket
Fig. 7 or 8 , - 11
- the print head assembly
1 or2 in detail, and - 12
- an alternative printhead unit.
Der in
Darüber hinaus umfasst der Etikettendrucker 11 einen Antriebsmechanismus für das Trägerband 12 mit einer angetriebenen, ortsfest gelagerten Trägerband-Zugwalze 21, der zwei nicht angetriebene Trägerband-Andruckrollen 23 zugeordnet sind, die jeweils ein Teil der Führungseinheit 17 sind. Die Trägerband-Zugwalze 21 und die beiden Trägerband-Andruckrollen 23 sind dazu vorgesehen, das Trägerband 12 entlang einer vorgegebenen Trägerband-Transportbahn zu transportieren. Hierzu wird das Trägerband 12 zwischen der Trägerband-Zugwalze 21 und der jeweiligen Trägerband-Andruckrolle 23 hindurchgeführt. Die beiden Trägerband-Andruckrollen 23 drücken dabei das Trägerband 12 jeweils gegen die Trägerband-Zugwalze 21, so dass eine ausreichende Anpress- und Vortriebskraft auf das Trägerband 12 erzeugt wird. Das Trägerband 12 wird von einer Etikettenrolle 39 abgewickelt und von einer angetriebenen, ortsfest gelagerten Trägerband-Aufwickelwalze 41 aufgewickelt.In addition, the
Konkret ist zwischen den beiden Trägerband-Andruckrollen 23 ein Zwischenraum ausgebildet, in den die Trägerband-Zugwalze 21 eingreift, so dass die Trägerband-Transportbahn zwischen der Trägerband-Zugwalze 21 und der jeweiligen Trägerband-Andruckrolle 23 jeweils S-förmig verläuft, so dass in diesem Bereich insgesamt ein Doppel-S-förmiger Verlauf der Trägerband-Transportbahn resultiert. Die Trägerband-Zugwalze 21 und den beiden Trägerband-Andruckrollen 23 sind dabei in der Transportrichtung 25 des Trägerbands 12 gesehen hinter dem Drucckopf 15 und dem Gegenelement 19 und hinter einer dem Druckkopf 15 und dem Gegenelement 19 unmittelbar nachgeordneten Spendekante 27 angeordnet.Specifically, a gap is formed between the two carrier
Die Führungseinheit 17 umfasst ein Winkelelement 29, das einen horizontal orientierten ersten Winkelarm 31 und einen schräg nach oben orientierten zweiten Winkelarm 33 aufweist. Dabei ist das Gegenelement 19 an dem ersten Winkelarm 31 angeordnet, und die beiden Trägerband-Andruckrollen 23 sind an dem zweiten Winkelarm 33 angeordnet. Der von den beiden Winkelarmen 31, 33 eingeschlossene Winkel besitzt einen Wert von ca. 130°. Zur Anpassung der Trägerband-Transportbahn an die winkelige Ausbildung des Winkelelements 29 umfasst die Führungseinheit 17 ferner eine Umlenkrolle 35, die innenliegend, am Scheitelpunkt des Winkelelements 29 angeordnet ist, und eine weitere Umlenkrolle 37, die außenliegend, am Scheitelpunkt des Winkelelements 29 angeordnet ist.The
Der in
Wie aus
Deshalb kann die Führungseinheit 17 aus ihrer in den
Gleiches gilt für einen Wechsel der Thermotransferbandrolle 49. Auch dieser Wechsel ist in der in
Deshalb kann auch die Druckkopfeinheit 13 aus ihrer in den
Das Einsetzen des Thermotransferbands 44 im Bereich des Druckkopfs 15 und des Gegenelements 19 bereitet dabei keine Schwierigkeiten, weil der Druckkopf 15 und das Gegenelement 19 durch das Verschwenken der Führungseinheit 17 bereits einen ausreichend großen Abstand voneinander einnehmen. Grundsätzlich kann dies aber auch anders vorgesehen sein. Um das Thermotransferband 44 im Bereich des Druckkopfs 15 und des Gegenelements 19 dann einfach einsetzen zu können, sollte das Verschwenken der Druckkopfeinheit 13 dann bevorzugt derart erfolgen, dass der Druckkopf 15 von dem Gegenelement 19 weggeschwenkt wird, wie es bei den in den Figuren gezeigten Ausführungsformen auch der Fall ist.The insertion of the
Darüber hinaus ist eine Halteeinrichtung 57 vorgesehen, die die Führungseinheit 17 entweder in der Betriebsstellung hält, d.h. gegen ein Verschwenken in die Einsetzstellung sichert, oder für ein Verschwenken in die Einsetzstellung freigibt. Die Halteeinrichtung 57 umfasst einen an der Druckkopfeinheit 13 gelagerten Hebel 59, der um eine Achse 61 zwischen einer Haltestellung und einer Freigabestellung drehbar ist. In der Haltestellung wird die Führungseinheit 17 in der Betriebsstellung gesichert, in der Freigabestellung, die der Hebel 59 durch ein Verschwenken im Uhrzeigersinn erreicht, wird die Führungseinheit 17 für ein Verschwenken in die Einsetzstellung freigegeben.In addition, a holding
Der Hebel 59 weist an seinem freien Ende eine Ausnehmung 63 auf und die Führungseinheit 17 weist einen abstehenden pilzkopfförmigen Stift 65 auf (vgl.
Darüber hinaus ist eine Festsetzeinrichtung in Form eines von Hand betätigbaren, die Achse 61 des Hebels 59 bildenden Blockierstifts 69 vorgesehen (vgl.
Ferner umfasst der Antriebsmechanismus für das Trägerband 12 eine weitere angetriebene, ortsfest gelagerte Trägerband-Zugwalze 71 und eine der weiteren Trägerband-Zugwalze 71 zugeordnete, nicht angetriebene weitere Trägerband-Andruckrolle 73, die in Transportrichtung des Trägerbands 12 gesehen vor dem Druckkopf 15 und dem Gegenelement 19 angeordnet sind. Die weitere Trägerband-Andruckrolle 73 drückt dabei das Trägerband 12 gegen die weitere Trägerband-Zugwalze 71, so dass eine Anpress- und Vortriebskraft auf das Trägerband 44 erzeugt wird.Furthermore, the drive mechanism for the
Dadurch, dass die weitere Trägerband-Zugwalze 71 und die weitere Trägerband-Andruckrolle 73 dem Druckkopf 15 und dem Gegenelement 19 vorgeschaltet sind, kann das Trägerband 12 mit einer höheren Geschwindigkeit entlang der Trägerband-Transportbahn transportiert werden, als dies ohne die weitere Trägerband-Zugwalze 71 und ohne die weitere Trägerband-Andruckrolle 73 der Fall wäre. Die weitere Trägerband-Zugwalze 71 und die weitere Trägerband-Andruckrolle 73 liegen nämlich näher an der Etikettenrolle 39 als die Trägerband-Zugwalze 21 und die Trägerband-Andruckrollen 23 und können das Trägerband 12 daher leichter von der Etikettenrolle 39 abziehen. Insbesondere muss beim Abziehen keine Kraft für die scharfe Umlenkung des Trägerbands 12 an der Spendekante 27 aufgewandt werden. Der Etiketten-Durchsatz kann dadurch erhöht werden.Due to the fact that the further carrier tape pull
Um das Trägerband 12 bei einem Wechsel der Etikettenrolle 39 nicht umständlich zwischen der weiteren Trägerband-Zugwalze 71 und der weiteren Trägerband-Andruckrolle 73 einfädeln zu müssen, ist die weitere Trägerband-Andruckrolle 73 ein Teil eines Schwenkelements 75, das um eine weitere Schwenkachse 77 zwischen einer Betriebsstellung (vgl. die
Das Schwenkelement 75 wird zum "Öffnen" der Trägerband-Transportbahn aus der in den
Das Schwenkelement 75 mit der weiteren Trägerband-Andruckrolle 73 kann von dem Etikettendrucker 11 abnehmbar sein, und die weitere Trägerband-Zugwalze 71 kann von ihrem Motor mechanisch entkoppelt und als bloße Umlenkrolle verwendbar sein. Der Etikettendrucker 11 kann dann in eine Variante ohne den weiteren Antrieb umgerüstet werden. Alternativ kann die Variante ohne den weiteren Antrieb auch bereits von Werk aus angeboten werden. In beiden Fällen ist es bevorzugt, wenn der Etikettendrucker 11 einen ersten Betriebsmodus und einen zweiten Betriebsmodus aufweist. Der erste Betriebsmodus wird gewählt, wenn der weitere Antrieb, d.h. die weitere Trägerband-Zugwalze 71 und die weitere Trägerband-Andruckrolle 73, vorhanden ist bzw. sind. Es handelt sich hierbei dann um einen Hochgeschwindigkeitsmodus. Der zweite Betriebsmodus wird gewählt, wenn der weitere Antrieb fehlt, d.h. wenn die weitere Trägerband-Andruckrolle 73 abgenommen ist oder von vorne herein fehlt und die weitere Trägerband-Zugwalze 71 von einem zugehörigen Motor mechanisch abgekoppelt ist oder dieser von vorne herein fehlt. Es handelt sich hierbei dann um einen Normalgeschwindigkeitsmodus.The pivoting
Darüber hinaus kann der Etikettendrucker 11 einen Betriebsmodus aufweisen, in dem der Druckkopf 15 alternierend zwischen einer auf das Trägerband 12 abgesenkten Position und einer von dem Trägerband 12 abgehobenen Position verstellt wird. In der abgesenkten Position kann ein Etikett in dem jeweiligen Druckbereich bedruckt werden, und die abgehobene Position wird zwischen dem Bedrucken zweier aufeinander folgender Etiketten in den jeweiligen Druckbereichen eingenommen. In den Bereichen, in denen das jeweilige Etikett nicht bedruckt wird, kann der Druckkopf 15 die abgehobene Position einnehmen. Dabei werden in der abgehobenen Position des Druckkopfs 15 die Trägerband-Zugwalze 21, die weitere Trägerband-Zugwalze 71 und die Trägerband-Aufwickelwalze 41 mit einer höheren Drehgeschwindigkeit betrieben werden als bei abgesenkter Position des Druckkopfs 15. Hierzu muss das Trägerband 12 zwischen dem Bedrucken aufeinander folgender Druckbereiche alternierend abgebremst und beschleunigt werden. Dies kann insbesondere dann sinnvoll sein, wenn Schmucketiketten verwendet werden, die über große Bereiche hinweg nicht bedruckt werden. Durch das Vorsehen der weiteren Trägerband-Zugwalze 71 und der weiteren Trägerband-Andruckrolle 73 kann das Trägerband 12 stärker als sonst möglich beschleunigt werden. Das Abheben des Druckkopfs 15 ist insbesondere dann möglich, wenn als Gegenelement 19 eine wie nachstehend erläuterte Gleitplatte 19" (vgl. die
Die Druckkopfeinheit 13 und die Führungseinheit 17 sind jeweils als austauschbares Modul ausgebildet und können jeweils von dem Etikettendrucker 11 abgenommen werden, wie es in
Die Druckkopfeinheit 13 kann dabei unabhängig davon, ob die Führungseinheit 17 von der zweiten Aufnahme 83 aufgenommen oder davon abgenommen ist, von der ersten Aufnahme 81 aufgenommen werden, und umgekehrt, d.h. die Führungseinheit 17 kann unabhängig davon, ob die Druckkopfeinheit 13 von der ersten Aufnahme 81 aufgenommen oder abgenommen ist, von der zweiten Aufnahme 83 aufgenommen werden. Um die Druckkopfeinheit 13 bzw. die Führungseinheit 17 an der jeweiligen Aufnahme 81, 83 zu befestigen, ist jeweils eine Rändelschraube 85, 87 vorgesehen (vgl.
Für den Etikettendrucker 11 stehen zwei voneinander verschiedene Druckkopfeinheiten 13 und zwei voneinander verschiedene Führungseinheiten 17 zur Verfügung, wobei der Etikettendrucker 11, insbesondere die beiden Aufnahmen 81, 83, im zusammengesetzten und betriebsfähigen Zustand eine der beiden Druckkopfeinheiten 13 und eine der beiden Führungseinheiten 17 aufnimmt bzw. aufnehmen. Die erste der beiden Druckkopfeinheiten 13 besitzt einen Druckkopf 15, der als Thermotransfer-Druckkopf 15' ausgebildet ist, wie er in den
Der Thermotransfer-Druckkopf 15' kann zusammen mit dem Thermotransferband 44 betrieben werden, um im Thermotransferdruck-Verfahren zu drucken. Derartige Drucke sind besonders beständig. Der Thermotransfer-Druckkopf 15' kann grundsätzlich aber auch im Thermodirekt-Verfahren, d.h. ohne Thermotransferband 44, drucken. Der Thermotransfer-Druckkopf 15' ist somit flexibel einsetzbar, aber auch teuer. Der Thermodirekt-Druckkopf 15" kann nur im Thermodirekt-Verfahren drucken und ist daher günstiger. Die Druckwalze 19' ist aufgrund ihres Durchmesser in einem bestimmten Abstand von der Spendekante 27 angeordnet. Daher kann es sein, dass zu dem Zeitpunkt, an dem sich ein vorlaufendes Etikett an der Spendekante 27 von dem Trägerband 12 löst, ein nachlaufendes Etikett bereits teilweise unter dem Druckkopf 15 hindurchgelaufen ist, so dass ein Near-Edge-Druck an der vorderen Etikettenkante ohne weitere Maßnahmen nicht möglich ist. Um dies zu verhindern, muss entweder das Trägerband - unter Geschwindigkeitsverlust - kurzzeitig reversiert werden oder die Etiketten müssen - verbunden mit höheren Kosten - in einem größeren Abstand zueinander angeordnet werden. Dieses Problem, dass der Druckkopf 15 zu weit von der Spendekante 27 beabstandet ist, stellt sich bei der Gleitplatte 19" jedoch nicht, so dass hier Near-Edge-Drucke ohne weiteres möglich sind. Die Gleitplatte 19" mit dem Filz ist jedoch weniger langlebig und damit teurer.The thermal transfer print head 15' can be operated together with the
Mit den zwei voneinander verschiedenen Druckkopfeinheiten 13 und den zwei voneinander verschiedenen Führungseinheiten 17 liegt ein Satz von voneinander verschiedenen Zubehörteilen für den Etikettendrucker 11 vor. Somit ist für ein Bedrucken mit unterschiedlicher Ausstattung (Thermotransfer-Druckkopf oder Thermodirekt-Druckkopf, Druckwalze oder Gleitplatte) nur ein einzelner Etikettendrucker 11 erforderlich. Insgesamt sind so vier voneinander verschiedene Konstellationen möglich, die, insbesondere abhängig von den jeweiligen Etikettenart und/oder dem gewünschten Bedruck, wahlweise genutzt werden können. Der Etikettendrucker 11 ist damit flexibel konfigurierbar.With the two different
Die Trägerband-Aufwickelwalze 41 wird durch einen nicht gezeigten, eigenen Motor angetrieben. Die Antriebseinrichtung der übrigen Walzen 19', 21, 45, 51, 71 des Etikettendruckers 11 hingegen ist aus der
Die Antriebseinrichtung umfasst zunächst einen ersten Motor 91, der über einen Zahnriemen 93 die Trägerband-Zugwalze 21 antreibt. Der erste Motor 91 treibt mittelbar über die Trägerband-Zugwalze 21, einen weiteren Zahnriemen 95, eine Rutschkupplung 97 und ein Getriebe 99 auch die Thermotransferband-Zugwalze 45 an. Von dem Getriebe 99 wird ferner unter Zwischenschaltung einer weiteren Rutschkupplung 101 auch die Thermotransferband-Aufwickelwalze 51 angetrieben. Bei dem ersten Motor 91 handelt es sich daher um einen gemeinsamen Motor für die Trägerband-Zugwalze 21, die Thermotransferband-Zugwalze 45 und die Thermotransferband-Aufwickelwalze 51, die damit mechanisch miteinander synchronisiert sind.The drive device initially comprises a
Ferner umfasst die Antriebseinrichtung einen zweiten Motor 103, der über einen weiteren Zahnriemen 105 die weitere Trägerband-Zugwalze 71 antreibt, sofern der weitere Antrieb mit der weiteren Trägerband-Zugwalze 71 und der weiteren Trägerband-Andruckrolle 73 vorhanden ist, und einen dritten Motor 107, der über zwei hintereinander geschaltete weitere Zahnriemen 109, 111 und zwei nachfolgende, ineinander eingreifende Zahnräder 113, 115 die Druckwalze 19' antreibt, sofern die Führungseinheit 17 mit der Druckwalze 19' eingesetzt ist. Das Zahnrad 113 ist an der Rückseite der Trägerplatte 79 angebracht (vgl. die
Bei dem zweiten Motor 103 handelt es sich um einen eigenen Motor der weiteren Trägerband-Zugwalze 71, und bei dem dritten Motor 107 handelt es sich um einen eigenen Motor der Druckwalze 19'. Grundsätzlich handelt es sich bei einem eigenen Motor um einen Motor, der nur eine Walze antreibt. Somit werden die Trägerband-Zugwalze 21, die weitere Trägerband-Zugwalze 71, die Druckwalze 19' und die Trägerband-Aufwickelwalze 41 von voneinander verschiedenen Motoren 91, 103, 107 angetrieben, die jedoch durch eine entsprechende Regelung elektronisch miteinander synchronisiert sind, um einen aufeinander abgestimmten Betrieb der Trägerband-Zugwalze 21, der weiteren Trägerband-Zugwalze 71, der Druckwalze 19' und der Trägerband-Aufwickelwalze 41 zu gewährleisten.The
In
Zur Ausübung einer Anpresskraft auf das Trägerband 12 in der Betriebsstellung der Führungseinheit 17 ist eine Federeinrichtung 121 vorgesehen (vgl. die
In den beiden Haltearmen 119, von denen in
Konkret umfasst die Federeinrichtung 121 zwei Zugfedern 127, die jeweils außerhalb des zwischen den beiden Haltearmen 119 ausgebildeten Zwischenraums und jeweils an einen der beiden Haltearme 119 anliegend angeordnet sind. In den
Beim Verschwenken der Führungseinheit 17 aus der in den
Darüber hinaus umfasst die Führungseinheit 17 einen Sensor 129 zur Erkennung der Etiketten, insbesondere einen optischen Sensor, insbesondere eine Lichtschranke (vgl.
Transparente Etiketten, die auf einem Trägerband 12 ohne Blackmarks aufgebracht sind, hingegen können von dem Etikettensensor 129 nicht erkannt werden. Zur Erkennung derartiger Etiketten ist ein weiterer Sensor 131, nämlich ein Ultraschall-Sensor, vorgesehen (vgl.
Für einen Wechsel der Etikettenrolle 39 wird ausgehend von der Betriebsstellung des Etikettendruckers in
Für einen Wechsel der Thermotransferbandrolle 49 werden zunächst die vorstehend erläuterten Schritte für einen Wechsel der Etikettenrolle 39 vorgenommen, ggf. mit Ausnahme des Verschwenkens des optionalen Schwenkelements 75. Anschließend wird der Blockierstift 69 nach vorne gezogen und die Druckkopfeinheit 13 kann im Uhrzeigersinn in ihre Einsetzstellung für das Thermotransferband 44 verschwenkt werden. Anschließend kann das verbrauchte Thermotransferband 44 aus dem Etikettendrucker 11 entnommen und das neue Thermotransferband einfach von vorne in den Etikettendrucker 11 eingesetzt bzw. eingelegt werden.To change the thermal
Für einen Wechsel bzw. Austausch der Führungseinheit 17 werden zunächst die vorstehend erläuterten Schritte für einen Wechsel der Etikettenrolle 39 vorgenommen, ggf. mit Ausnahme des Verschwenkens des optionalen Schwenkelements 75. Anschließend wird die Rändelschraube 87 gelöst und die Führungseinheit 17 kann nach vorne abgezogen und durch eine andere Führungseinheit ersetzt werden.To change or exchange the
Für einen Wechsel bzw. Austausch der Druckkopfeinheit 13 werden zunächst die vorstehend erläuterten Schritte für einen Wechsel der Thermotransferbandrolle 49 vorgenommen, ggf. mit Ausnahme des Verschwenkens des optionalen Schwenkelements 75. Anschließend wird die Rändelschraube 85 gelöst und die Drucckopfeinheit 13 kann nach vorne abgezogen und durch eine andere Druckkopfeinheit ersetzt werden.To change or replace the
Der vorstehend erläuterte Etikettendrucker ist einfach zu bedienen und flexibel einsetzbar.The label printer explained above is easy to use and can be used flexibly.
- 1111
- Etikettendruckerlabel printer
- 1212
- Trägerbandcarrier tape
- 1313
- Druckkopfeinheitprinthead assembly
- 1515
- Druckkopfprinthead
- 15'15'
- Thermotransfer-DruckkopfThermal transfer print head
- 15"15"
- Thermodirekt-DruckkopfDirect thermal print head
- 1717
- FührungseinheitGuide unit
- 1919
- Gegenelementcounter element
- 19'19'
- Druckwalzepressure roller
- 19"19"
- Gleitplattesliding plate
- 2121
- Trägerband-ZugwalzeCarrier tape pull roller
- 2323
- Trägerband-AndruckrolleBacking pinch roller
- 2525
- Transportrichtungtransport direction
- 2727
- Spendekantedonation edge
- 2929
- Winkelelementangle element
- 31, 3331, 33
- Winkelarmangle arm
- 35, 3735, 37
- Umlenkrollepulley
- 3939
- Etikettenrollelabel roll
- 4141
- Trägerband-AufwickelwalzeCarrier tape take-up roller
- 4444
- Thermotransferbandthermal transfer ribbon
- 4545
- Thermotransferband-ZugwalzeThermal transfer ribbon pull roller
- 4747
- Thermotransferband-AndruckrolleThermal transfer ribbon pinch roller
- 4949
- Thermotransferbandrollethermal transfer ribbon roll
- 5151
- Thermotransferband-AufwickelwalzeThermal transfer ribbon take-up roller
- 5353
- Schwenkachsepivot axis
- 5555
- Druckkopfeinheit-SchwenkachsePrinthead unit pivot axis
- 5757
- Halteeinrichtungholding device
- 5959
- Hebellever
- 6161
- Achseaxis
- 6363
- Ausnehmungrecess
- 6565
- Stiftpen
- 6767
- Rändelschraubeknurled screw
- 6969
- Blockierstiftlocking pin
- 7171
- weitere Trägerband-Zugwalzeanother carrier tape pull roller
- 7373
- weitere Trägerband-Andruckrolleanother carrier tape pressure roller
- 7575
- Schwenkelementswivel element
- 7777
- weitere Schwenkachseanother swivel axis
- 7979
- Trägerplattebacking plate
- 8181
- erste Aufnahmefirst shot
- 8383
- zweite Aufnahmesecond shot
- 8585
- Rändelschraubeknurled screw
- 8787
- Rändelschraubeknurled screw
- 8989
- Dämpfungselementdamping element
- 9191
- erster Motorfirst engine
- 9393
- Zahnriementiming belt
- 9595
- weiteren Zahnriemenanother toothed belt
- 9797
- Rutschkupplungslip clutch
- 9999
- Getriebetransmission
- 101101
- weitere Rutschkupplunganother slip clutch
- 103103
- zweiter Motorsecond engine
- 105105
- weiterer Zahnriemenanother toothed belt
- 107107
- dritter Motorthird engine
- 109109
- weiterer Zahnriemenanother toothed belt
- 111111
- weiterer Zahnriemenanother toothed belt
- 113113
- Zahnradgear
- 115115
- Zahnradgear
- 117117
- Halterungbracket
- 119119
- Haltearmholding arm
- 121121
- Federeinrichtungspring device
- 123123
- Führungsbahnguideway
- 125125
- Gleitsteinsliding block
- 127127
- Zugfedertension spring
- 129129
- optischer Sensoroptical sensor
- 131131
- Ultraschall-Sensorultrasonic sensor
- 133133
- Transportrichtungtransport direction
- 135135
- Aussparungrecess
- 137137
- Kunststoffteilplastic part
- 139139
- Sperröffnunglock opening
Claims (14)
- A label printer for printing labels applied to a carrier tape (12), in particular wound onto a roll, comprisinga printhead (15) and a counter-element (19) to the printhead (15), which is configured to hold the carrier tape (12) with the labels in contact with the printhead (15), in particular a driven print roller (19'), wherein the carrier tape (12) can be led between the printhead (15) and the counter-element (19);a drive mechanism for the carrier tape (12) having a driven carrier tape drawing roller (21); and at least one non-driven carrier tape pressure roller (23) which is associated with the carrier tape drawing roller (21), wherein the carrier tape (12) can be led between the carrier tape drawing roller (21) and the respective carrier tape pressure roller (23) and can in particular be transported along a predefined carrier tape transport path,wherein, viewed in a transport direction (25) of the carrier tape (12), the carrier tape drawing roller (21) and the respective carrier tape pressure roller (23) are arranged after the printhead (15) and the counter-element (19), characterized in thatthe drive mechanism for the carrier tape (12) comprises a further driven carrier tape drawing roller (71) and a further non-driven carrier tape pressure roller (73) associated with the further carrier tape drawing roller (71) is provided, with the carrier tape (12) being able to be led between the further carrier tape drawing roller (21) and the further carrier tape pressure roller (73) and in particular being able to be transported along the predefined carrier tape transport path, and with, viewed in the transport direction (25) of the carrier tape (12), the further carrier tape pressure roller (71) and the further carrier tape pressure roller (73) being arranged in front of the printhead (15) and the counter-element (19).
- A label printer in accordance with claim 1,
characterized in that
the further carrier tape pressure roller (73) is part of a pivot element (75) which is pivotably supported about a pivot axle (77) between an operating position and an insertion position for the carrier tape (12), with, in the operating position of the pivot element (75), the carrier tape (12) being able to be led between the further carrier tape drawing roller (71) and the further carrier tape pressure roller (73) and in particular being able to be transported along the predefined carrier tape transport path, and with, in the insertion position, the further carrier tape pressure roller (73) being pivoted away from the further carrier tape drawing roller (71). - A label printer in accordance with claim 2,
characterized in that
the sense of rotation of the pivot movement of the pivot element (75) from the insertion position into the operating position is opposite to the sense of rotation of the further carrier tape drawing roller (71). - A label printer in accordance with claim 2 or claim 3,
characterized in that
the pivot element (75) is configured as removable from the label printer (11). - A label printer in accordance with any one of the preceding claims, characterized in that
the label printer (11) has a first operating mode and a second operating mode, with the first carrier tape drawing roller (21), and optionally the print roller (19') and/or a carrier tape take-up roller (41), being operated at a higher rotational speed in the first operating mode than in the second operating mode. - A label printer in accordance with any one of the preceding claims, characterized in that
the counter-element (19) is configured as a sliding plate (19") which is in particular metallic and/or which is provided with a damping element (89), in particular with a felt. - A label printer in accordance with any one of the preceding claims, characterized in that
the label printer (11) has an operating mode in which the printhead (15) is alternately adjusted between a position lowered onto the carrier tape (12), which is preferably adopted for the printing of a label, and a position raised from the carrier tape (12) which is preferably adopted between the printing of two consecutive labels. - A label printer in accordance with claim 7,
characterized in that,
in the operating mode, the carrier tape drawing roller (21) and the further carrier tape drawing roller (71), and optionally a carrier tape take-up roller (41), are operated at a higher rotational speed in the raised position of the printhead (15) than in the lowered position of the printhead (15). - A label printer in accordance with any one of the preceding claims, characterized in that
the label printer (11) is a thermal transfer label printer and is configured to receive a thermal transfer tape (44) which is in particular wound onto a roll, which can be led between the printhead (15) and the counter-element (19), and which can in particular be transported along a predefined thermal transfer tape transport path, with a drive mechanism for the thermal transfer tape (44) being provided with a driven thermal transfer tape drawing roller (45), with the label printer (11) comprising a non-driven thermal transfer tape pressure roller (47) associated with the thermal transfer tape drawing roller (45), and with, viewed in the transport direction (25) of the thermal transfer tape (44), the thermal transfer tape drawing roller (45) and the thermal transfer tape pressure roller (47) being arranged after the printhead (15) and the counter-element (19). - A label printer in accordance with claim 8,
characterized in that
a common motor (91) is provided which drives both the carrier tape drawing roller (21) and the thermal transfer tape drawing roller (45), with preferably the thermal transfer tape drawing roller (45) being driven indirectly via the carrier tape drawing roller (21) and/or by an interposition of a slip clutch (97) and/or of a gear (99). - A label printer in accordance with claim 10,
characterized in that
the common motor (91) also drives a thermal transfer tape take-up roller (51) which is preferably driven indirectly via the slip clutch (97) and/or the gear (99) and/or by an interposition of a further slip clutch (101). - A label printer in accordance with any one of the preceding claims, characterized in that
a carrier tape take-up roller (41), which is in particular driven by a separate motor, and/or a driven thermal transfer tape take-up roller (51) is/are provided. - A label printer in accordance with any one of the preceding claims, characterized in that
the further carrier tape drawing roller (71) is driven by a separate motor (103). - A label printer in accordance with any one of the preceding claims, characterized in that
the carrier tape drawing roller (21), the further carrier tape drawing roller (71) and the print roller (19'), and optionally a carrier tape take-up roller (41), are driven by motors (91, 103, 107) which are different from one another, with the motors (91, 103, 107) being electronically synchronized with one another by a corresponding regulation.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES19217620T ES2919598T3 (en) | 2019-12-18 | 2019-12-18 | Tag printer |
EP19217620.4A EP3838604B1 (en) | 2019-12-18 | 2019-12-18 | Label printer |
US17/127,517 US11491804B2 (en) | 2019-12-18 | 2020-12-18 | Label printer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19217620.4A EP3838604B1 (en) | 2019-12-18 | 2019-12-18 | Label printer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3838604A1 EP3838604A1 (en) | 2021-06-23 |
EP3838604B1 true EP3838604B1 (en) | 2022-03-30 |
Family
ID=68965661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19217620.4A Active EP3838604B1 (en) | 2019-12-18 | 2019-12-18 | Label printer |
Country Status (3)
Country | Link |
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US (1) | US11491804B2 (en) |
EP (1) | EP3838604B1 (en) |
ES (1) | ES2919598T3 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3838602B1 (en) | 2019-12-18 | 2022-03-30 | Bizerba SE & Co. KG | Label printer |
EP3838603B1 (en) | 2019-12-18 | 2022-03-30 | Bizerba SE & Co. KG | Label printer |
ES2911269T3 (en) | 2019-12-18 | 2022-05-18 | Bizerba Se & Co Kg | Tag printer |
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DE3515765A1 (en) * | 1985-05-02 | 1986-11-06 | W. Schlafhorst & Co, 4050 Mönchengladbach | OPEN-END ROTOR SPINNING MACHINE |
EP0457309B1 (en) * | 1990-05-17 | 1995-03-29 | Seiko Epson Corporation | Tape printing device |
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JP4409358B2 (en) * | 2004-05-20 | 2010-02-03 | シャープ株式会社 | Image forming apparatus |
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DE102008019931A1 (en) * | 2008-04-21 | 2009-10-22 | Bizerba Gmbh & Co. Kg | Label printer for applying guard filter on label, has cover for providing access to dispensing edge from outside in one position for removing label and for blocking access to dispensing edge in another position |
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-
2019
- 2019-12-18 ES ES19217620T patent/ES2919598T3/en active Active
- 2019-12-18 EP EP19217620.4A patent/EP3838604B1/en active Active
-
2020
- 2020-12-18 US US17/127,517 patent/US11491804B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US11491804B2 (en) | 2022-11-08 |
EP3838604A1 (en) | 2021-06-23 |
ES2919598T3 (en) | 2022-07-27 |
US20210187967A1 (en) | 2021-06-24 |
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