CN201728909U - Paper roll positioning mechanism and printing device with same - Google Patents
Paper roll positioning mechanism and printing device with same Download PDFInfo
- Publication number
- CN201728909U CN201728909U CN2010202182783U CN201020218278U CN201728909U CN 201728909 U CN201728909 U CN 201728909U CN 2010202182783 U CN2010202182783 U CN 2010202182783U CN 201020218278 U CN201020218278 U CN 201020218278U CN 201728909 U CN201728909 U CN 201728909U
- Authority
- CN
- China
- Prior art keywords
- paper roll
- paper
- detent mechanism
- swing arm
- keeper
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Replacement Of Web Rolls (AREA)
Abstract
The utility model discloses a paper roll positioning mechanism and a printing device with the same. The paper roll positioning mechanism comprises a positioning part and a control mechanism. The positioning part includes a swing arm, a rocker arm and a paper roll positioning projection, the swing arm deviates along a direction close to or away from a lateral wall, the rocker arm is synchronous with the swing arm in deviation, and the paper roll positioning projection arranged at the end of the swing arm can extend into the lateral wall. The control mechanism includes an elastic lateral pressing element and a rocker arm reset mechanism, the elastic lateral pressing element laterally presses towards the rocker arm or the swing arm, and the rocker arm reset mechanism leads the positioning projection to be released out of a positioning hole on the lateral wall when a turning cover of the printing device is opened. The paper roll positioning mechanism can avoid running of a paper roll inside a paper containing component, and realize positioning of the paper roll when the outer diameter of the paper roll is gradually reduced to a preset value.
Description
Technical field
The utility model relates to a kind of paper roll detent mechanism of printing equipment, and the utility model also relates to a kind of printing equipment with this paper roll detent mechanism.
Background technology
Use the printer of drum printing paper to be widely used in fields such as supermarket, market, lottery ticket, be used to print client's voucher of concluding the business.Because workload is big, printing paper is changed frequent, change media operation for simplifying, such printer does not generally adopt back shaft to support the form of paper roll, hold mechanism of paper but directly printing paper is put into printer, the mode of utilizing printing paper roll integral body to roll in bottom, paper storehouse is outwards exported the printing paper that is wrapped on the paper core.
Although it is simple that this appearance mechanism of paper is changed media operation, but there is a problem, along with roll web consumes gradually, paper surplus reduces gradually, finished weight also lightens gradually, conveying roller drags little paper roll easily and rolls in holding mechanism of paper in the sheet movement process, can influence print quality, also may cause problems such as plug paper.
The utility model content
The utility model purpose is to provide a kind of paper roll detent mechanism of printing equipment, to avoid roll web play in holding the paper assembly, the location of particularly realizing roll web when the external diameter of roll web is decreased to predetermined value gradually.
For this reason, the utility model provides a kind of paper roll detent mechanism of printing equipment on the one hand, it comprises: keeper, comprise along near or away from the paper roll positioning convex of the locating hole on the swing arm of sidewall direction deflection, the stretched into sidewall that is provided with the rocking arm of the synchronous deflection of swing arm and in the swing arm end, and controlling organization, comprise to the fexible bias pressure element of rocking arm or swing arm bias voltage and the rocking arm resetting-mechanism that when renovating of printing equipment opened, positioning convex is deviate from from the locating hole on the sidewall.
Further, to extending away from described paper storehouse sidewall direction, above-mentioned resetting-mechanism comprises above-mentioned rocking arm from swing arm: guide, be fixed on the sidewall in paper storehouse, and form gathering sill or hole on the guide; Gag lever post is arranged in the gathering sill or the hole of guide, and its upper end contacts with the pressing plate of renovating, its lower end and keeper flexible connection; Elastic reset member is supported on the guide, applies reset force upwards to gag lever post.
Further, above-mentioned fexible bias pressure member supports is between the gag lever post and rocking arm of resetting-mechanism.
Further, above-mentioned guide is provided with the articulated section, and keeper is articulated on the articulated section of guide.
Further, the articulated section on the above-mentioned guide is the hangers with open slot.
Further, the lower end of above-mentioned gag lever post is articulated on the keeper.
Further, the base plate in above-mentioned paper storehouse is provided with the location indentations of the little paper roll in location in addition, and wherein, the locating hole of the sidewall in paper storehouse is arranged on the center of location indentations.
Further, above-mentioned resetting-mechanism is for renovating the electromagnet of switching on and moving when opening.
Further, above-mentioned electromagnet has the slide bar of retraction when energising, and this slide bar is fixedlyed connected with rocking arm, and wherein, the fexible bias pressure member supports is between the main body end face and swing arm of electromagnet.
The utility model provides a kind of printing equipment on the other hand, comprise fixed frame, be articulated in and renovate, be arranged at paper storehouse in the fixed frame on the fixed frame, it is characterized in that the left side wall in paper storehouse and/or right side wall are outside equipped with the paper roll detent mechanism of said structure.
Compared with prior art, the utility model has the advantages that on the paper storehouse sidewall that holds the paper assembly detent mechanism is set, when roll web approach exhaustion that printing equipment uses under the effect of the fexible bias pressure element of controlling organization, make positioning convex enter paper core inside automatically, realization paper roll location, thus the paper roll play prevented; And when needs are changed paper roll, only need to renovate to open, by the effect of resetting-mechanism, just can make positioning convex withdraw from paper core inside automatically, do not influence the convenience of changing paper.
Except purpose described above, feature and advantage, other purpose, feature and the advantage that the utlity model has will be described in further detail in conjunction with the accompanying drawings.
Description of drawings
Constitute this specification a part, be used for further understanding accompanying drawing of the present utility model and show preferred embodiment of the present utility model, and be used for illustrating principle of the present utility model with specification.Among the figure:
Fig. 1 is at the schematic diagram of renovating when opening according to the printing equipment of the utility model first embodiment;
Fig. 2 is the longitudinal profile schematic diagram of printing equipment shown in Figure 1;
Fig. 3 renovates according to the printing equipment of the utility model first embodiment that it holds the part sectioned view of paper assembly when the closure;
Fig. 4 is the decomposing schematic representation of the detent mechanism in the appearance paper assembly shown in Figure 3;
Fig. 5 is the part sectioned view of renovating the appearance paper assembly when opening according to the printing equipment of the utility model first embodiment; And
Fig. 6 is the structural representation according to the appearance paper assembly detent mechanism of the printing equipment of the utility model second embodiment.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Fig. 1 be according to the printing equipment of the utility model first embodiment at the schematic diagram of renovating when opening, Fig. 2 is the longitudinal profile schematic diagram of printing equipment shown in Figure 1.
As depicted in figs. 1 and 2, renovating of printing equipment 100 is articulated on the frame 200, relatively frame 200 closure or openness; Be provided with and hold paper assembly 300 renovating 100 interior volume that form with frame 200, be used to hold roll web; Along the roll web throughput direction, the downstream holding paper assembly 300 is provided with print components 400, is used for printing on paper predefined print What.
Because print components such as traditional pin type, ink-jet, laser are provided with form and are well known to those skilled in the art, and its setting is little with relevance of the present invention, therefore repeats no more.
Fig. 3 be according to the printing equipment of the utility model first embodiment renovate that it holds the part sectioned view of paper assembly when the closure, Fig. 4 is the decomposing schematic representation of the detent mechanism in the appearance paper assembly shown in Figure 3.
As shown in Figure 3 and Figure 4, hold paper assembly 300 and comprise paper storehouse 1 and detent mechanism 2.
Be provided with location indentations 111 in base plate 11 bottoms, its profile and the roll web external diameter when using up is suitable, in the center of left side wall 12 corresponding to location indentations 111, is provided with locating hole 121.
Resetting-mechanism comprises guide 21, gag lever post 23, elastic reset member 24.
Gag lever post 23 passes the pilot hole 211 of guide 21 and the rocking arm 226 of keeper 22 articulates, elastic reset member 24, fexible bias pressure element 25 respectively with gag lever post 23 sockets, wherein, elastic reset member 24 is between gag lever post 23 and guide 21, and fexible bias pressure element 25 is between guide 21 and keeper 22.
The swing arm 221 of keeper 22 has under the bias voltage of fexible bias pressure element 25 to the trend near the sidewall direction deflection of paper storehouse, so that positioning convex 222 can enter paper storehouse 1 by the locating hole on the left side wall 12 121; Gag lever post 23 has the trend that moves upward under the ordering about of the elastic reset power of elastic reset member 24, when the clear of the top of gag lever post 23, swing arm 221 edges that can drive keeper 22 are away from the sidewall direction deflection of paper storehouse, so that positioning convex 222 moves back delivering paper storehouse 1.
Particularly, guide 21 has the fixed part 215 of fixedlying connected with left side wall 12 outsides in paper storehouse 1, keeper 22 is parallel with the wall of left side wall 12 with the drive-connecting shaft 224 of guide 21, thereby keeper 22 can be rotated in the plane perpendicular to left side wall 12 around drive-connecting shaft 224.
For convenience, keeper 22 is called first direction around drive-connecting shaft to the direction near left side wall 12 rotations, keeper 22 is called second direction around drive-connecting shaft to the direction away from left side wall 12 rotations.
One end of elastic reset member 24 contacts with first stop end 231 of gag lever post 23, and its other end contacts with the end face 212 of guide; One end of fexible bias pressure element 25 contacts with the step surface 233 of gag lever post 23, and its other end contacts with the supporting seat 225 of rocking arm 226 ends of keeper 22.The supporting seat 225 of keeper 22 is provided with hanging hole 223, and second stop end 232 of gag lever post 23 articulates with the supporting seat 225 of keeper 22.
When not being subjected to external force, gag lever post do not do the time spent, under the effect of elastic reset member 24 pretightning forces, gag lever post 23 remains the movement tendency away from guide 21, promptly under the effect of elastic reset member 24 pretightning forces, second stop end, the 232 pulling keepers 22 of gag lever post 23, make keeper 22 with the second direction rotation, thereby make positioning convex 222 move back delivering paper storehouse 1 by the locating hole on the left side wall 12 121.
When gag lever post 23 is subjected to the external force effect when the guide direction is oppressed, gag lever post 23 overcomes elastic reset member 24 elastic force extruding fexible bias pressure element 25, fexible bias pressure element 25 is subjected to step surface 233 compressings of gag lever post 23, extruding keeper 22 makes positioning convex 222 enter paper storehouse 1 by the locating hole on the left side wall 12 121 with the first direction rotation.
As shown in Figure 3, when renovating 100 when closed with respect to frame 200, be arranged on the pressing plate of renovating on 100 110 and depress the gag lever post 23 of detent mechanism 2, first stop end, 231 extruding elastic reset members, 24 distortion of gag lever post 23, second stop end 232 of gag lever post 23 breaks away from keeper 22, fexible bias pressure element 25 is subjected to step surface 234 compressings of gag lever post 23, and extruding keeper 22 makes positioning convex (location division) 222 enter paper storehouse 1 by the locating hole on the left side wall 12 121 with the first direction rotation.
Fig. 5 is the part sectioned view of renovating the appearance paper assembly when opening according to the printing equipment of the utility model preferred embodiment.As shown in Figure 5, when renovating 100 relative frames 200 when opening, renovate the gag lever post 23 of the detent mechanism 2 of the pressing plate 110 disengaging appearance paper assemblies 300 on 100, under the effect of elastic reset member 24 pretightning forces, gag lever post 23 is moved to the direction away from guide 21 along the pilot hole 211 of guide 21, when step surface 233 touches the bottom surface 213 of guide 21, the gag lever post stop motion.In this process, second stop end, the 232 pulling keepers 22 of gag lever post 23 make keeper 22 with the second direction rotation, thereby make positioning convex 222 move back delivering paper storehouse 1 by the locating hole on the left side wall 12 121.
Introduce appearance paper assembly 300 in the utility model below along with the roll web external diameter diminishes, to the course of work of roll web location.
Renovating 100 when closed with respect to frame 200, the roll web external diameter in holding paper assembly 300 is greatly the time, and the positioning convex 222 that the sidewall of roll web will be positioned at the detent mechanism 2 on the left side wall 12 backs down, and makes it move back delivering paper storehouse 1.Along with printing is carried out, roll web consumes, and the paper roll external diameter diminishes gradually, when paper roll external diameter during less than the external diameter of the location indentations in the paper storehouse 1 11, paper roll falls into location indentations 11, at this moment, gag lever post 23 is subjected to the effect of fexible bias pressure element 25, and keeper 22 is rotated with first direction, thereby make positioning convex 222 extend into paper core inside by the locating hole on the left side wall 121, the center position of paper roll is fixed, realized the paper roll location, avoided the problem of paper roll play in print procedure.
When needs are changed paper roll, at first must open and renovate 100, open along with renovating 100, the pressing plate of renovating on 100 110 breaks away from gag lever post 23, gag lever post 23 is subjected to the effect of elastic reset member 24 to promote keeper 22 to rotate with second direction, thereby make positioning convex 222 move back delivering paper storehouse 1 inside, promptly withdraw from paper core inside, can carry out paper roll at an easy rate and change.
The detent mechanism of the appearance paper assembly in the utility model, along with roll web consumption is used, external diameter diminishes gradually, the paper core hole site descends, when the locating hole 121 that is positioned on the left side wall 12 is aimed in the mandrel hole, the keeper 22 of the detent mechanism 2 of this moment is subjected to fexible bias pressure element 25 to do to rotate in order to first direction, and positioning convex 222 enters into inside, paper core hole by the locating hole on the left side wall 12 121, realizes the paper roll location; When needs are changed paper roll, open and renovate 100, the keeper 22 of the detent mechanism of this moment is subjected to elastic reset member 24 to do to rotate in order to second direction, makes positioning convex 222 withdraw from paper core inside from the locating hole 121 on the left side wall 12, can change paper roll easily.
In the above-described embodiments, the rocking arm of keeper is controlled by the Purely mechanical controlling organization, be appreciated that, in other embodiments, the rocking arm of keeper also can be controlled by the controlling organization of other form, for example contact with rocking arm and control the rocking arm motion, perhaps utilize the principle that attracts each other and repel between electromagnet and the magnetic patch to control the rocking arm motion by the cam of driven by motor.
Fig. 6 is the structural representation according to the appearance paper assembly detent mechanism of the printing equipment of the utility model second embodiment.As shown in Figure 6, the keeper 22 of detent mechanism 2 is hinged on the support 27.Resetting-mechanism is an electromagnet 26.Electromagnet 26 is fixedly mounted on the sidewall of paper storehouse, the slide bar 261 that stretches out in electromagnet 26 main body end faces is fixedlyed connected perpendicular to paper storehouse sidewall and with the rocking arm 221 of keeper 22, the fexible bias pressure element 25 of electromagnet 26 runs through slide bar 27, between the swing arm 221 of electromagnet 26 main body end faces and keeper 22.
When renovating 100 when opening with respect to frame 200, make electromagnet 26 energisings, slide bar 261 is attracted retraction, and the positioning convex 122 that drives keeper 22 breaks away from paper storehouse sidewalls.
When renovating 100 when closing with respect to frame 200, make electromagnet 26 outages, fexible bias pressure element 25 is to rocking arm 226 bias voltages, make paper roll positioning convex 222 have the trend that enters the paper storehouse by locating hole 121, when the paper core in the paper storehouse was aimed at locating hole 121,222 of paper roll positioning convex entered paper core and locate paper roll.
The structure or the layout that are appreciated that electromagnet are not limited to aforesaid way, as long as the time can attract rocking arm to make swing arm to away from the sidewall direction deflection of paper storehouse in energising or outage.
Be preferred embodiment of the present utility model only below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. the paper roll detent mechanism of a printing equipment is characterized in that, comprising:
Keeper (22), comprise along near or away from the swing arm (221) of sidewall (12) deflection in the paper storehouse (1) of printing equipment, with the rocking arm (226) of described swing arm (221) deflection synchronously and the paper roll positioning convex (222) that stretches into the locating hole (121) on the described sidewall (12) that is provided with in described swing arm end; And
Controlling organization (21,23,24,25) comprises to the fexible bias pressure element (25) of described rocking arm (226) or swing arm (221) bias voltage with at the rocking arm resetting-mechanism (21,23,24) that when open (100) described positioning convex (222) is deviate from from the locating hole (121) on the described sidewall (12) of renovating of described printing equipment.
2. paper roll detent mechanism according to claim 1 is characterized in that, to extending away from described paper storehouse (1) sidewall direction, described rocking arm resetting-mechanism comprises described rocking arm (226) from described swing arm (221):
Guide (21) is fixed on the sidewall (12) in described paper storehouse (1), forms gathering sill or hole (211) on it;
Gag lever post (23) is arranged in gathering sill or hole (211) of described guide (21), and its upper end contacts with the pressing plate of described renovating (100), its lower end and described keeper (22) flexible connection; And
Elastic reset member (24) is supported on the described guide (21), applies reset force upwards to described gag lever post (23).
3. paper roll detent mechanism according to claim 2 is characterized in that, described fexible bias pressure element (25) is supported between the gag lever post (23) and described rocking arm (226) of described resetting-mechanism.
4. paper roll detent mechanism according to claim 2 is characterized in that, described guide (21) is provided with articulated section (214), and described keeper (22) is articulated on the articulated section (214) of described guide (21).
5. paper roll detent mechanism according to claim 4 is characterized in that, the articulated section (214) on the described guide (21) is for having the hangers of pivoted hole.
6. paper roll detent mechanism according to claim 2 is characterized in that, the lower end of described gag lever post (23) is articulated on the described keeper (22).
7. paper roll detent mechanism according to claim 1, it is characterized in that, the base plate (11) in described paper storehouse (1) is provided with the location indentations (111) of the little paper roll in location in addition, and wherein, the locating hole (121) of the sidewall (12) in described paper storehouse (1) is arranged on the center of location indentations (111).
8. paper roll detent mechanism according to claim 1 is characterized in that, described resetting-mechanism is the electromagnet (26) of the action of switching on when opening described renovating (100).
9. paper roll detent mechanism according to claim 8, it is characterized in that, described electromagnet (26) has the slide bar (27) of retraction when energising, described slide bar (27) is fixedlyed connected with described rocking arm (226), wherein, described fexible bias pressure element (25) is supported between the main body end face and described swing arm (221) of described electromagnet (27).
10. printing equipment, comprise fixed frame (200), be articulated in renovating (100), be arranged at the paper storehouse (1) in the described fixed frame (200) on the described fixed frame (200), it is characterized in that the left side wall (12) in described paper storehouse (1) and/or right side wall (13) are outside equipped with according to each described paper roll detent mechanism (2) in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202182783U CN201728909U (en) | 2010-06-08 | 2010-06-08 | Paper roll positioning mechanism and printing device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202182783U CN201728909U (en) | 2010-06-08 | 2010-06-08 | Paper roll positioning mechanism and printing device with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201728909U true CN201728909U (en) | 2011-02-02 |
Family
ID=43520068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202182783U Expired - Lifetime CN201728909U (en) | 2010-06-08 | 2010-06-08 | Paper roll positioning mechanism and printing device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201728909U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707509A (en) * | 2013-12-20 | 2014-04-09 | 西安交通大学 | Expandable multi-material sprayer system for 3D (Three-Dimensional) printing |
| CN104442015A (en) * | 2014-11-14 | 2015-03-25 | 南京奥拓电子科技有限公司 | Thermal printer and paper placing device thereof |
| CN104972771A (en) * | 2014-04-01 | 2015-10-14 | 佳能株式会社 | Conveying device |
| CN112246419A (en) * | 2020-10-30 | 2021-01-22 | 常州川刃办公设备有限公司 | Gland for paper shredder |
| CN112246375A (en) * | 2020-10-30 | 2021-01-22 | 常州川刃办公设备有限公司 | Automatic paper shredder with paper pressing device |
-
2010
- 2010-06-08 CN CN2010202182783U patent/CN201728909U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707509A (en) * | 2013-12-20 | 2014-04-09 | 西安交通大学 | Expandable multi-material sprayer system for 3D (Three-Dimensional) printing |
| CN103707509B (en) * | 2013-12-20 | 2016-01-13 | 西安交通大学 | 3D printing easily extensible many materials nozzle system |
| CN104972771A (en) * | 2014-04-01 | 2015-10-14 | 佳能株式会社 | Conveying device |
| CN104442015A (en) * | 2014-11-14 | 2015-03-25 | 南京奥拓电子科技有限公司 | Thermal printer and paper placing device thereof |
| CN112246419A (en) * | 2020-10-30 | 2021-01-22 | 常州川刃办公设备有限公司 | Gland for paper shredder |
| CN112246375A (en) * | 2020-10-30 | 2021-01-22 | 常州川刃办公设备有限公司 | Automatic paper shredder with paper pressing device |
| CN112246419B (en) * | 2020-10-30 | 2024-05-10 | 常州川刃办公设备有限公司 | Gland for paper shredder |
| CN112246375B (en) * | 2020-10-30 | 2024-05-14 | 常州川刃办公设备有限公司 | Automatic paper shredder with paper pressing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201728909U (en) | Paper roll positioning mechanism and printing device with same | |
| KR940005321B1 (en) | Thermal printer | |
| CN105109216B (en) | A kind of Electromagnetic Drive self-adapting type carbon ribbon printer structure | |
| CN202079918U (en) | Drawer-type printer | |
| US20100221053A1 (en) | Printer and printing control method | |
| CN212334136U (en) | Traction driving mechanism for traction Inlay label | |
| CN202540958U (en) | Drawer-type printer | |
| KR20050100902A (en) | A dot printer having a rotatable platen | |
| CN209756412U (en) | Positive and negative version printing tilting mechanism of printing machine | |
| CN107085990B (en) | Calligraphy and painting training machine | |
| CN214398906U (en) | Material driving device for liquid crystal screen cleaning machine | |
| CN211843611U (en) | Scraper adjusting device of full-automatic vision printing machine | |
| CN2880495Y (en) | Tow-colour conversion device for colour band of printer | |
| CN105538904A (en) | Ink distribution type slab rubber color developing instrument | |
| CN201211727Y (en) | Glue roller moving mechanism of ink printability tester | |
| CN221796471U (en) | Paper breaking preventing device of web printing machine | |
| CN216733481U (en) | Anti-scratching roll material printing machine | |
| CN110466267A (en) | A kind of mark roll-in system of glass run | |
| EP4349605A2 (en) | Liquid discharge apparatus | |
| CN205601378U (en) | Even black formula offset plate exhibition look appearance | |
| CN221392622U (en) | Printing roller regulator for printing machine | |
| CN220438972U (en) | Cinema ticket vending machine convenient to maintain | |
| CN215850180U (en) | Printing roller support of printing equipment | |
| CN211937607U (en) | Reverse wiping type coating head mechanism of coating machine | |
| CN216863060U (en) | Medium tension processing mechanism and printer thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110202 |
|
| CX01 | Expiry of patent term |