EP3838604B1 - Imprimante d'étiquettes - Google Patents

Imprimante d'étiquettes Download PDF

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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
Application number
EP19217620.4A
Other languages
German (de)
English (en)
Other versions
EP3838604A1 (fr
Inventor
Rafael Reiss
Holger Offermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bizerba SE and Co KG
Original Assignee
Bizerba SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bizerba SE and Co KG filed Critical Bizerba SE and Co KG
Priority to EP19217620.4A priority Critical patent/EP3838604B1/fr
Priority to ES19217620T priority patent/ES2919598T3/es
Priority to US17/127,517 priority patent/US11491804B2/en
Publication of EP3838604A1 publication Critical patent/EP3838604A1/fr
Application granted granted Critical
Publication of EP3838604B1 publication Critical patent/EP3838604B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • 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.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electronic Switches (AREA)
  • Handling Of Continuous Sheets Of Paper (AREA)
  • Labeling Devices (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)

Claims (14)

  1. Imprimante d'étiquettes pour imprimer des étiquettes appliquées sur un ruban porteur (12), en particulier enroulées en un rouleau, comprenant une tête d'impression (15) et un contre-élément (19) complémentaire à la tête d'impression (15), qui est réalisé pour maintenir le ruban porteur (12) avec les étiquettes en appui contre la tête d'impression (15), en particulier un cylindre de pression entraîné (19'), le ruban porteur (12) pouvant passer entre la tête d'impression (15) et le contre-élément (19),
    un mécanisme d'entraînement du ruban porteur (12), ayant un cylindre entraîné (21) de traction de ruban porteur, et au moins un rouleau presseur de ruban porteur (23) non entraîné, associé au cylindre de traction de ruban porteur (21), le ruban porteur (12) pouvant passer entre le cylindre de traction de ruban porteur (21) et le rouleau presseur de ruban porteur (23) respectif et pouvant en particulier être transporté le long d'une voie prédéterminée de transport du ruban porteur,
    dans lequel
    vu dans la direction de transport (25) du ruban porteur (12), le cylindre de traction de ruban porteur (21) et le rouleau presseur de ruban porteur (23) respectif sont disposés en aval de la tête d'impression (15) et du contre-élément (19),
    caractérisée en ce que
    le mécanisme d'entraînement du ruban porteur (12) comprend un autre cylindre entraîné (71) de traction de ruban porteur, et il est prévu un autre rouleau presseur de ruban porteur (73) non entraîné, associé à l'autre cylindre de traction de ruban porteur (71), le ruban porteur (12) pouvant passer entre l'autre cylindre de traction de ruban porteur (71) et l'autre rouleau presseur de ruban porteur (73) et pouvant en particulier être transporté le long d'une voie prédéterminée de transport du ruban porteur, et
    vu dans la direction de transport (25) du ruban porteur (12), l'autre cylindre de traction de ruban porteur (71) et l'autre rouleau presseur de ruban porteur (73) sont disposés en amont de la tête d'impression (15) et du contre-élément (19).
  2. Imprimante d'étiquettes selon la revendication 1,
    caractérisée en ce que
    l'autre rouleau presseur de ruban porteur (73) fait partie d'un élément de pivotement qui est monté mobile en pivotement autour d'un axe de pivotement (77) entre une position de fonctionnement et une position d'insertion pour le ruban porteur (12), et
    dans la position de fonctionnement de l'élément de pivotement (75), le ruban porteur (12) peut passer entre l'autre cylindre de traction de ruban porteur (71) et l'autre rouleau presseur de ruban porteur (73) et peut en particulier être transporté le long de la voie prédéterminée de transport du ruban porteur, et
    dans la position d'insertion, l'autre rouleau presseur de ruban porteur (73) est pivoté en éloignement de l'autre cylindre de traction de ruban porteur (71).
  3. Imprimante d'étiquettes selon la revendication 2,
    caractérisée en ce que
    le sens de rotation du mouvement de pivotement de l'élément de pivotement (75) depuis la position d'insertion jusque dans la position de fonctionnement est opposé au sens de rotation de l'autre cylindre de traction de ruban porteur (71).
  4. Imprimante d'étiquettes selon la revendication 2 ou 3,
    caractérisée en ce que
    l'élément de pivotement (75) est réalisé de manière à pouvoir être détaché de l'imprimante d'étiquettes (11).
  5. Imprimante d'étiquettes selon l'une des revendications précédentes, caractérisée en ce que
    l'imprimante d'étiquettes (11) présente un premier mode de fonctionnement et un second mode de fonctionnement, le premier cylindre de traction de ruban porteur (21) et optionnellement le cylindre de pression (19') et/ou un cylindre d'enroulement de ruban porteur (41) tournant dans le premier mode de fonctionnement à une vitesse de rotation supérieure à celle dans le second mode de fonctionnement.
  6. Imprimante d'étiquettes selon l'une des revendications précédentes, caractérisée en ce que
    le contre-élément (10) est réalisé sous la forme d'une plaque coulissante (19") en particulier métallique et/ou pourvue d'un élément d'amortissement (89), en particulier d'un feutre.
  7. Imprimante d'étiquettes selon l'une des revendications précédentes, caractérisée en ce que
    l'imprimante d'étiquettes (11) présente un mode de fonctionnement dans lequel la tête d'impression (15) est déplacée en alternance entre une position abaissée sur le ruban porteur (12) et occupée de préférence pour l'impression d'une étiquette, et une position décollée du ruban porteur (12) et occupée de préférence entre l'impression de deux étiquettes successives.
  8. Imprimante d'étiquettes selon la revendication 7,
    caractérisée en ce que
    dans le mode de fonctionnement, le cylindre de traction de ruban porteur (21) et l'autre cylindre de traction de ruban porteur (71) et optionnellement un cylindre d'enroulement de ruban porteur (41) tournent, dans la position décollée de la tête d'impression (15), à une vitesse de rotation supérieure à celle dans la position abaissée de la tête d'impression (15).
  9. Imprimante d'étiquettes selon l'une des revendications précédentes, caractérisée en ce que
    l'imprimante d'étiquettes (11) est une imprimante d'étiquettes à transfert thermique et est réalisée pour recevoir un ruban à transfert thermique (44), en particulier enroulé en un rouleau, qui peut passer entre la tête d'impression (15) et le contre-élément (19) et qui peut être transporté, en particulier, le long d'une voie prédéterminée de transport de ruban à transfert thermique, un mécanisme d'entraînement du ruban à transfert thermique (44) étant pourvu d'un cylindre entraîné (45) de traction de ruban à transfert thermique, l'imprimante d'étiquettes (11) comprenant un rouleau presseur de ruban à transfert thermique (47) non entraîné, associé au cylindre de traction de ruban à transfert thermique (45), et, vu dans la direction de transport (133) du ruban à transfert thermique (44), le cylindre de traction de ruban à transfert thermique (45) et le rouleau presseur de ruban à transfert thermique (47) sont disposés en aval de la tête d'impression (15) et du contre-élément (19).
  10. Imprimante d'étiquettes selon la revendication 9,
    caractérisée en ce que
    il est prévu un moteur commun (91) qui entraîne à la fois le cylindre de traction de ruban porteur (21) et le cylindre de traction de ruban à transfert thermique (45), le cylindre de traction de ruban à transfert thermique (45) étant de préférence entraîné indirectement par l'intermédiaire du cylindre de traction de ruban porteur (21) et/ou par interposition d'un accouplement à glissement (97) et/ou d'un engrenage (99).
  11. Imprimante d'étiquettes selon la revendication 10,
    caractérisée en ce que
    le moteur commun (91) entraîne également un cylindre d'enroulement de ruban à transfert thermique (51) qui est de préférence entraîné indirectement par l'intermédiaire de l'accouplement à glissement (97) et/ou de l'engrenage (99) et/ou par interposition d'un autre accouplement à glissement (101).
  12. Imprimante d'étiquettes selon l'une des revendications précédentes, caractérisée en ce que
    il est prévu un cylindre d'enroulement de ruban porteur (41), entraîné en particulier par son propre moteur, et/ou un cylindre d'enroulement de ruban à transfert thermique (51) entraîné.
  13. Imprimante d'étiquettes selon l'une des revendications précédentes, caractérisée en ce que
    l'autre cylindre de traction de ruban porteur (71) est entraîné par son propre moteur (103).
  14. Imprimante d'étiquettes selon l'une des revendications précédentes, caractérisée en ce que
    le cylindre de traction de ruban porteur (21), l'autre cylindre de traction de ruban porteur (71) et le cylindre de pression (19') et optionnellement un cylindre d'enroulement de ruban porteur (41) sont entraînés par des moteurs (91, 103, 107) différents les uns des autres, les moteurs (91, 103, 107) étant synchronisés par voie électronique par un moyen de régulation correspondant.
EP19217620.4A 2019-12-18 2019-12-18 Imprimante d'étiquettes Active EP3838604B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP19217620.4A EP3838604B1 (fr) 2019-12-18 2019-12-18 Imprimante d'étiquettes
ES19217620T ES2919598T3 (es) 2019-12-18 2019-12-18 Impresora de etiquetas
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 (fr) 2019-12-18 2019-12-18 Imprimante d'étiquettes

Publications (2)

Publication Number Publication Date
EP3838604A1 EP3838604A1 (fr) 2021-06-23
EP3838604B1 true EP3838604B1 (fr) 2022-03-30

Family

ID=68965661

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19217620.4A Active EP3838604B1 (fr) 2019-12-18 2019-12-18 Imprimante d'étiquettes

Country Status (3)

Country Link
US (1) US11491804B2 (fr)
EP (1) EP3838604B1 (fr)
ES (1) ES2919598T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3838601B1 (fr) 2019-12-18 2022-03-30 Bizerba SE & Co. KG Imprimante d'étiquettes
EP3838602B1 (fr) 2019-12-18 2022-03-30 Bizerba SE & Co. KG Imprimante d'étiquettes
ES2915847T3 (es) 2019-12-18 2022-06-27 Bizerba Se & Co Kg Impresora de etiquetas

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Also Published As

Publication number Publication date
ES2919598T3 (es) 2022-07-27
EP3838604A1 (fr) 2021-06-23
US20210187967A1 (en) 2021-06-24
US11491804B2 (en) 2022-11-08

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