CN203317914U - Ribbon cartridge for label printing device - Google Patents

Abstract

The utility model provides a ribbon cartridge for a label printing device, which comprises an upper housing, a lower housing and a ribbon accommodating chamber. A ribbon for printing, an ink ribbon and an ink ribbon driven roller are accommodated inside the ribbon accommodating chamber. The ribbon is discharged on the recess part of the ribbon accommodating chamber and forms a printed ribbon. A rectangular hole is arranged adjacent to the recess part and close to the downstream side of the ribbon discharge direction. The front end part of the rectangular hole is provided with a ribbon protection member. The ribbon protection member is arranged on the other face of the ribbon facing a cutting knife. When the cutting knife cuts the ribbon, the ribbon protection member provides a support on the back of the ribbon. The ribbon protection member can be detachably and rotatably arranged on the housing. The arranged ribbon protection member can tightly abut on the ribbon and support the ribbon when the cutting knife cuts the ribbon and the ribbon itself is softened and retreats. The cutting knife is then enabled to cut the ribbon. After the cutting knife finishes the cutting process, the ribbon protection member plugs the front end of the rectangular hole and prevents the ribbon from mistakenly falling in the rectangular hole.

Description

A kind of label printing device ribbon cartridge

Technical field

The utility model relates to a kind of label printing device ribbon cartridge, relates in particular to a kind of ribbon cartridge that colour band guard member structure is provided.

Background technology

Ribbon cartridge for label printing device proposes before this, by upper shell and lower house, constituted substantially, ribbon cartridge as propositions such as document EP0634275A1 and JP2007001311A, it has the colour band container cavity, hold color band in described colour band container cavity, ink ribbon and driven rolls, ink ribbon is passed through the notch portion of ribbon cartridge under the driving of driven rolls along predetermined route, and overlapping in notch portion and colour band, the printing equipment that now is positioned at notch portion is started working, print media on ink ribbon is printed on colour band according to the predefined information of user, form ink ribbon in notch portion along the downstream portion of colour band feed-paths, simultaneously, near notch portion and near the downstream that described colour band is discharged direction, one holding tank is arranged, described holding tank is for holding the cutting knife that cuts off described ink ribbon, when ink ribbon is fed into this zone, printing equipment sends instruction, the motion of cutting knife haulage gear, cutting knife is inducted in described holding tank along near cavity recess, and then by ink ribbon cut-out, be that described colour band forms the section flushed with holding tank cavity face near notched side at holding tank, in the print procedure of next unit colour band, this section is crossed described holding tank clearance portion, and then be discharged from ribbon cartridge.

Yet, in actual production process, because described colour band is not rigid material, specifically by a kind of, there is flexible " paper " and be made, further, described colour band is comprised of three-decker, sees accompanying drawing 7, and it is comprised of printable layer 101, adhesive-layer 102, removal layer 103.Therefore likely crooked at colour band described in the production process of ink ribbon of reality, likely above-mentioned section enters described holding tank along the cavity face of holding tank, thereby cause the colour band of next unit to be discharged smoothly ribbon cartridge, cause the obstruction of ribbon cartridge, the catastrophe failure such as cause that printing equipment can't normally be printed.

Further, for the overall volume of contractive color tape drum, cost-saving, colour band is that the form of reeling is placed in the ribbon cartridge container cavity, the buckling phenomenon of colour band that adopted aggravation that this kind of form is more serious.

Simultaneously, as the end difference (stepped portion) proposed in document EP0733482B1 makes holding tank (slot) side higher than opposite side, prevented that to a certain extent colour band from falling into holding tank, if, but the degree of crook of colour band is larger, colour band still can fall into described holding tank.

Simultaneously, in the long-term production process of colour band, the cutting knife of printing equipment there will be the phenomenon of cutting edge rust unavoidably, meanwhile, and in the bottom of colour band, be the clearance portion of holding tank, do not have chopping block to provide cutting knife required support force, if the cutting edge rust can cause the described colour band of cut-out that cutting knife can't be sharp, leave a trace at the plan section of colour band, even can't the described colour band of disposable cut-out, speed and efficiency that impact is printed.

The utility model content

The purpose of utility model is to provide a kind of label printing device ribbon cartridge that overcomes above-mentioned deficiency, is provided with the colour band guard member in this ribbon cartridge.

The technical solution of the utility model is: a kind of label printing device ribbon cartridge, the colour band container cavity that the housing that comprises upper shell, lower house and consist of described upper shell, lower house contains, described colour band container cavity accommodates for colour band, the ink ribbon that print media is provided and the ink ribbon driven rolls printed, and described colour band is discharged from and forms ink ribbon near the notch portion of colour band container cavity; A rectangular opening is arranged near described notch portion and discharges the downstream of direction near described colour band;

Described rectangular opening leading section is provided with the colour band guard member; described colour band guard member is arranged on the another side of cutting knife with respect to colour band; when the tangential colour band of cutting knife; at the colour band back side, provide support; after cutting knife completes cutting-off process; described colour band guard member is blocked the rectangular opening front end, prevents that crooked colour band mistake from falling into described rectangular opening, detachable rotary being installed on described housing of described colour band guard member.

Further, above-mentioned label printing device is with in ribbon cartridge: described colour band guard member is substantially a form, and the locating pin by two ends is arranged on upper shell or/and, in the supporting hole on lower house, described support aperture is slightly larger than the locating pin diameter.

Further, above-mentioned label printing device is with in ribbon cartridge: having concave face in the middle of described colour band guard member, is to have substantially the inclined at inclination angles face identical with cutting knife in described concave face both sides.

Further, above-mentioned label printing device is with in ribbon cartridge: also comprise elastomeric element, the elastic force of described elastomeric element makes described colour band guard member near colour band.

Further, above-mentioned label printing device is with in ribbon cartridge: described elastomeric element is the button spring be installed on the ribbon cartridge support column, two protruded arms of described torsion spring be close proximity to respectively on the ribbon cartridge internal chamber wall and the colour band guard member on.

The utility model, by the colour band guard member is set, when the tangential colour band of cutting knife, if, when colour band itself feels like jelly to relief, the colour band guard member will be tight against colour band, provide support to colour band, makes cutting knife that colour band is cut off.After cutting knife completes cutting-off process, described colour band guard member is blocked the rectangular opening front end, prevents that crooked colour band mistake from falling into described rectangular opening.

Below with reference to drawings and Examples, the utility model is described in detail.

The accompanying drawing explanation

Figure 1 shows that the ribbon cartridge schematic perspective view.

Figure 2 shows that the printing equipment cover coordinates schematic diagram with ribbon cartridge when closed.

Coordinate schematic diagram with ribbon cartridge while Figure 3 shows that the printing equipment apparatus lid opening.

Figure 4 shows that ribbon cartridge removes upper shell assembling schematic diagram.

Figure 5 shows that the schematic perspective view that removes upper shell.

Figure 6 shows that and show colour band guard member partial enlarged drawing.

Figure 7 shows that the ink ribbon structure schematic diagram.

Fig. 8 and Fig. 8 a are depicted as colour band guard member schematic perspective view.

Fig. 9 and Fig. 9 a and Fig. 9 b are depicted as colour band guard member floor map.

Figure 10 shows that the elastomeric element schematic perspective view.

Figure 11 shows that elastomeric element coordinates schematic diagram with the colour band guard member.

Figure 12 shows that the printing equipment cutting knife cuts off colour band schematic diagram position 1, be convenient to observe the colour band guard member upper shell of having die.

Figure 13 shows that the printing equipment cutting knife cuts off colour band schematic diagram position 2, be convenient to observe the colour band guard member upper shell of having die.

Figure 14 shows that the printing equipment cutting knife cuts off colour band schematic diagram position 3, be convenient to observe the colour band guard member upper shell of having die.

Figure 15 shows that the printing equipment cutting knife cuts off colour band schematic diagram position 4, be convenient to observe the colour band guard member upper shell of having die.

Figure 16 shows that printing equipment printing flow chart.

The specific embodiment

Illustrate the utility model content below in conjunction with accompanying drawing, provided a kind of specific embodiment, be illustrated in figure 1 the schematic perspective view of label printing device with ribbon cartridge, wherein label 1 is ribbon cartridge, ribbon cartridge 1 is comprised of upper shell 2 and lower house 3, section forms cavity within it, be container cavity, accommodate driven rolls 4 in chamber, takers-in 5, as showing, Fig. 1 defined up and down and the reference direction of front and back, wherein the above-below direction of parallel paper is defined as the above-below direction in the present embodiment, the left and right directions of parallel paper is defined as the left and right directions in the present embodiment, the rear that direction inwards is defined as the present embodiment perpendicular to paper to, the place ahead that outside direction is defined as embodiment perpendicular to paper to, as Fig. 1 shows, in the place ahead of ribbon cartridge to a cantilever arm 6 is arranged, formed substantially the recess 7 of a up/down perforation between cantilever arm 6 and ribbon cartridge sidewall, this recess provides the district that holds of a printing device printhead 27, below will be further detailed.Colour band 20 is discharged from and forms ink ribbon 21a near 7 ones of the recesses of colour band container cavity.Rectangular opening 12 is arranged near 7 ones of recesses and discharges the downstream of directions near colour band 20.Here rectangular opening refers to from the above-below direction of ribbon cartridge and sees roughly orthogonal structure, in fact also comprises other the hole such as the version such as circular, square.

Fig. 2, Figure 3 shows that printing equipment coordinates schematic diagram with ribbon cartridge, printing equipment 23 all has a printing equipment container cavity 24 substantially, printing equipment container cavity 24 peripheral shape are similar to the ribbon cartridge peripheral shape substantially, this purpose can be informed the machine zone that falls substantially of user's ribbon cartridge, there is driven roller 25 in the printing equipment container cavity, the outer surface of driven roller 25 has elongated projections (not shown) radially, above-mentioned elongated projections can be intermeshing with the engaging tooth 16 of the inner surface of driven rolls 4, when printing equipment drives driven roller 25 to rotate along predetermined direction, driven rolls also rotates thereupon.Simultaneously, at the printing equipment container cavity, edge also has printing equipment pressure roller 26, position on the other side also has printhead 27, and a downstream part relative with upper rectangular opening 12 of discharging direction at colour band has cutting knife 28, and cutting knife 28 parts are positioned at printing equipment inside.

Be illustrated in figure 4 the assembling schematic diagram that ribbon cartridge removes upper shell, colour band 20 is positioned in the ribbon cartridge container cavity in the mode of certainly reeling, its position is by 17 restrictions of ribbon cartridge limited post, one end of colour band 20 is directed out ribbon cartridge 1 along predetermined route through guiding rib 22 when assembling, and the other end is wound in the inside of ribbon spool.When printing equipment cover (not shown) is not closed (as shown in Figure 3), form certain gap 31 between above-mentioned printhead 27 and pressure roller 26, this gap can hold described colour band 20 and ink ribbon 21 is passed through, when the printing equipment cover is closed (as shown in Figure 2), pressure roller 26 outside (with respect to the non-cavity of printing equipment section) extrudes, and now pressure roller 26 is pressed on colour band 20 and ink ribbon 21 on printhead 27.

Realize the process of printing as shown in figure 16, when the user sends print command, whether printing equipment to detect its cover closed, if printing equipment prompting information such as " can't print " when not closed, reminding user is closed cover, when cover is closed, whether printing equipment detects ribbon cartridge and packs into, the ribbon cartridge printing equipment prompting information such as " can't print " if do not pack into, the reminding user ribbon cartridge of packing into, when ribbon cartridge packed into and the situation of cover closure under, pressure roller 26 is by colour band 20, ink ribbon 21 is pressed on printhead 27, printing equipment is given an order simultaneously, driven roller 25 rotates with the speed of being scheduled to, the driven rolls 4 be engaged with synchronously rotates, pressure roller 26 also synchronously rotates.When driven rolls 4 rotates, drive ink ribbon 21 motions of reeling thereon, pressure roller 26 drives colour band 20 motions when rotating, because driven rolls 4 and pressure roller 26 have same slewing rate, therefore colour band 20 and ink ribbon 21 also have synchronous speed, through recess 7 zone the time, the medium heat that thermal printer head 27 is crossed the predefined information exchange of user on ink ribbon is transferred to the required colour band 20a of formation user on colour band 20, ink ribbon 21 is being wound up on takers-in 5 along predetermined path after recess 7, colour band 20 continues motion in the right (as Fig. 1) along ribbon cartridge after recess 7, through colonel's positive column 9 and lower correction post 8, proofread and correct post 8, 9 can play corrective action to colour band 20 on above-below direction and fore-and-aft direction, colour band 20 is affixed on the supporting surface of colour band container cavity, then cross smoothly rectangular opening 12 under the support of colour band guard member 13, after completing print out task, the printing equipment issue is cut off order to cutting knife haulage gear (not shown), cutting knife 28 is cut rectangular opening 12 under the traction of cutting knife haulage gear, and then colour band 20 is cut off, form the required section of the colour band with type information of user.

Figure 5 shows that the schematic perspective view that removes upper shell, limited post 17 is for limiting the position of ribbon spool 20, in the present embodiment, colour band 20 is all flexible, the strip adhesive sticker with sandwich construction of flexible " paper " matter class specifically, Fig. 7 shows a kind of specific embodiment, colour band 20 mainly comprises three-decker, it is printable layer 101, adhesive-layer 102, remove layer 103, printable layer outer surface (surface relative with adhesive-layer 102) has a kind of special material, this material can with carbon dust layer combination under the effect of thermal printer head on ink ribbon 21 surfaces, form predefined type information, this information comprises character, image etc.Printable layer 101 bonds together with removing layer 103 by the sticking adhesive-layer of tool 102, and after colour band 20 has been printed and cut off, the user can tear removing layer, adhesive-layer simultaneously is affixed on object and forms label, with making a check mark, the purposes such as warning.

Fig. 6 is the local A enlarged diagram of Fig. 5, position and the structure of colour band guard member 13 have been specifically illustrated, colour band guard member 13 is substantially a form, the colour band guard member is rotatable to be installed on the assembly of drain pan or cover or drain pan and cover, below provide a kind of specific embodiment, as Fig. 8, shown in Fig. 8 a/l Fig. 9/Fig. 9 a, colour band guard member 13 is respectively locating pin 15a with the contact point of drain pan and cover, 15b(Fig. 8), above-mentioned locating pin 15a, 15b respectively with upper shell 2, lower house 3 coordinates, be specially at corresponding upper shell 2, there is a supporting hole that is slightly larger than locating pin 15 diameters the corresponding locating pin of lower house 3 position, the purpose that above-mentioned support aperture is slightly larger than the locating pin diameter is that the rotary mode of locating pin is fit into wherein.Also comprise elastomeric element 11 simultaneously, as shown in figure 10, the present embodiment Elastic parts 11 can be a kind of torsion springs, torsion spring has two protruded arm 11a, 11b, wherein protruded arm 11a end is close proximity on the ribbon cartridge internal chamber wall, and relatively fixing, another protruded arm 11b end is close proximity on colour band guard member 13, as shown in figure 11, colour band guard member 13 position therebetween has a concave face 13a, when above-mentioned elastomeric element 11 is installed on ribbon cartridge support column 10, protruded arm 11b is parallel with the concave face 13a on the colour band guard member substantially, the purpose of this structure can make protruded arm 11b that larger elastic force is provided, colour band guard member 13 both sides also have inclined plane 13c and 13b simultaneously, inclined plane 13b has identical with cutting knife substantially angle of inclination, described inclined plane 13b refers to and is close to locating pin 15 sides greatly away from the less inclined plane formed on colour band guard member 13 surfaces of locating pin 15 sides, as shown in Figure 8, the angle of inclination of described cutting knife refers to the angle between the inclined-plane of the cutoff edge oral area face parallel with the cutting knife direction of feed, when cutting knife 28 contact colour band guard member 13, above-mentioned inclined plane 13b and the inclined plane of cutting knife 28 are in contact with one another, because thering is identical angle of inclination, and be to contact in a parallel manner substantially, " pushing open " colour band guard member 13 when therefore the power that 28 need of cutting knife are less can be cut off colour band 20, meanwhile colour band guard member 13 can play the effect of " chopping block ", certain support force when having slight wearing and tearing, cutting knife 28 cutting edges is provided, be convenient to colour band 20 is cut off.

Figure 12-Figure 15 is that the printing equipment cutting knife cuts off the colour band schematic diagram, for the ease of observing the colour band guard member upper shell of having die.Figure 12 shows that colour band 20 just has been printed complete; the colour band guard member 13 that the front end of colour band 20 (having printed end) is crossed rectangular opening 12 leading sections; cutting knife 28 is along the direction as shown feeding; now colour band guard member 13 is in closed condition; colour band 20 is played a supportive role, prevent that the colour band mistake from falling into rectangular opening 12.

Figure 13 shows that cutting knife 28 rigidly connects the position view that touches colour band 20, now colour band guard member 13 is still in closed condition, and cutting knife 28 is close on colour band 20, and shows that colour band 20 is close on the colour band guard member, and described " being close to " refers to and be adjacent to but unable effect.

Figure 14 shows that the further feeding of cutting knife 28; if cutting knife 28 is very sharp; just described colour band 20 can be cut off rigidly connecting under the effect of touching colour band 20 and certain force being arranged, now the suffered power of colour band guard member 13 is less, during to colour band 20 cut-out, does not basically play a supportive role.Colour band 20 is when cutting off, and its section is parallel to rectangle hole wall 30, is affixed on rectangle hole wall 30 when cutting knife 28 enters described rectangular opening 12 on left and right directions and enters, the be more convenient for cut-out of colour band 20 of this structural design.If cutting knife 28 has slight rust phenomenon; when rigidly connecting tactile colour band 20, be difficult to its cut-out; now, the further feeding of cutting knife 28, force colour band 20 to press on colour band guard member 13; colour band guard member 13 provides a reaction force under the effect of elastomeric element 11; provide colour band 20 to cut off required support force, in this case, described colour band 20 is cut off by cutting knife 28; the colour band guard member is in open mode simultaneously, and a face of cutting knife 28 is affixed on rectangle hole wall 30.

Figure 15 shows that cutting knife 28 cuts off the situation of the described rectangular opening 12 of backed off after random by colour band 20; now ink ribbon 20 leading sections are cut off; form the required label of user; section is parallel to rectangle hole wall 30; with rectangle hole wall 30, flush; now colour band guard member 13 in closed condition, has been blocked the clearance portion of rectangular opening 12 under the active force of torsion spring, has effectively prevented from falling into the phenomenon of rectangular opening 12 in the printing of next unit colour band and cutting-off process.Natural; the present embodiment is a kind of concrete embodiment of the present utility model; the utility model includes but not limited to the above embodiments; also have many variant; for example described colour band guard member 13 is designed to along the sliding part of rectangular opening fore-and-aft direction, or is designed to along the sliding part of left and right directions etc. and simple variant thereof also in protection domain of the present utility model.

Claims (5)

1. a label printing device ribbon cartridge, the colour band container cavity that the housing that comprises upper shell, lower house and consist of described upper shell, lower house contains, described colour band container cavity accommodates for colour band, the ink ribbon that print media is provided and the ink ribbon driven rolls printed, and described colour band is discharged from and forms ink ribbon near the notch portion of colour band container cavity; A rectangular opening is arranged near described notch portion and discharges the downstream of direction near described colour band;

It is characterized in that: described rectangular opening leading section is provided with the colour band guard member; described colour band guard member is arranged on the another side of cutting knife with respect to colour band; when the tangential colour band of cutting knife; at the colour band back side, provide support; after cutting knife completes cutting-off process; described colour band guard member is blocked the rectangular opening front end, prevents that crooked colour band mistake from falling into described rectangular opening, detachable rotary being installed on described housing of described colour band guard member.

2. label printing device ribbon cartridge according to claim 1; it is characterized in that: described colour band guard member is substantially a form; locating pin by two ends is arranged on upper shell or/and, in the supporting hole on lower house, described support aperture is slightly larger than the locating pin diameter.

3. label printing device ribbon cartridge according to claim 2 is characterized in that: having concave face in the middle of described colour band guard member, is to have substantially the inclined at inclination angles face identical with cutting knife in described concave face both sides.

4. according to arbitrary described label printing device ribbon cartridge in claims 1 to 3, it is characterized in that: also comprise elastomeric element, the elastic force of described elastomeric element makes described colour band guard member near colour band.

5. label printing device ribbon cartridge according to claim 4, it is characterized in that: described elastomeric element is the button spring be installed on the ribbon cartridge support column, two protruded arms of described torsion spring be close proximity to respectively on the ribbon cartridge internal chamber wall and the colour band guard member on.

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