CN207310874U - A kind of lifting mechanism of print head - Google Patents
A kind of lifting mechanism of print head Download PDFInfo
- Publication number
- CN207310874U CN207310874U CN201721181972.0U CN201721181972U CN207310874U CN 207310874 U CN207310874 U CN 207310874U CN 201721181972 U CN201721181972 U CN 201721181972U CN 207310874 U CN207310874 U CN 207310874U
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- CN
- China
- Prior art keywords
- print head
- card
- mounting bracket
- printhead
- lifting mechanism
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Abstract
It the utility model is related to printer field,Disclose a kind of lifting mechanism of print head,Printhead normality is raised configuration,Card is put into printer,Card is sent to print position,Supporting item drives the print head mounting bracket pushed by the first mounting bracket to decline,Printhead is pressed onto on card,Printhead prints card,Card is avoided directly tangentially to enter between printhead and marking roll and card front edge is produced impact to printhead and wear,On the other hand,Marking roll continues transfer card,After card print,Supporting item drives the print head mounting bracket lifting pushed by the first mounting bracket,Printhead departs from card,Card is sent out,When avoiding the card from exiting printhead and marking roll,Card back edge produces printhead and scrapes damage,Reduce card and wear or scrape damage to printhead,Ensure print quality,Extend the service life of printhead.
Description
Technical field
Printer field is the utility model is related to, specifically a kind of lifting mechanism of print head.
Background technology
The classification of printing device increasingly refines, and function is also stronger and stronger, the new-type printing such as card puncher occurs and sets
Standby, in the prior art, the printhead of card puncher is fixed in print head mounting bracket, and marking roll drives card transmission, and card exists
In the workflow of printing, while card is transmitted, card is directly tangentially entered between printhead and marking roll, card front end
Edge can produce impact to printhead and wear, in addition, card in printing, can be subject to the pressure of printhead and marking roll at the same time,
When card exits printhead and marking roll, card back edge produces printhead and scrapes damage, and printhead is non-in card puncher
Often important component, it is also very expensive, if often impaired, print quality can be seriously affected, while reduce printhead significantly
Service life.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of lifting mechanism of print head, passes through supporting item liter
The print head mounting bracket that drop is pushed by the first mounting bracket, prevents from producing printhead when card from entering or exiting between printhead and marking roll
Damage is worn or is scraped in life.
The utility model solves technical solution used by its technical problem：
A kind of lifting mechanism of print head, includes the print head mounting bracket for being provided with printhead, and print head mounting bracket is carried out down
Pressure the first mounting bracket, supporting item, the supporting item to lift by the first mounting bracket push print head mounting bracket.
Further, the supporting item includes driven support plate, driving member and actuator, and the driving member drives driven
Support plate is lifted, and the actuator drives driving member to be driven.
Further, the driving member is driven by cam wheel mechanism.
Further, the print head mounting bracket lower end side is equipped with support fulcrum, and the driven support plate is equipped with holding
The support mouth that support fulcrum is adapted, the print head mounting bracket lower end, which is supported, to be rested in support mouth.
Further, the print head mounting bracket upper end is equipped with convex spherical fulcrum, be provided with first mounting bracket and
The bearing point that convex spherical fulcrum adaptation compresses, first mounting bracket pacify print head by the cooperation of bearing point and convex spherical fulcrum
Shelve application elastic pressure.
Further, one end of the driven support plate is provided with branch turning point, and the other end is provided with convex lift point, the biography
Moving part includes the first cam wheel, and the convex lift o'clock is driven by the first cam wheel, and driven support plate is lifted around branch turning point
Movement.
Further, the driven support plate is provided with suspension mouth on the inside of support mouth, and the roll shaft of marking roll is suspended at
Suspend in mouth, the print head mounting bracket lower end both sides are each provided with the slot mouth being adapted to roll shaft.
Further, the slot mouth lower end both sides are each provided with to putting fillet, and the slot mouth is by putting fillet
To resting in support mouth.
Further, the driving member is provided with to detect the first sensor of the first cam wheel turned position.
A kind of method of work of above-mentioned lifting mechanism of print head, is put into printer, printhead normality is rise by card
State, card are sent to print position, and supporting item drives the print head mounting bracket pushed by the first mounting bracket to decline, printhead pressure
Onto card, printhead prints card, meanwhile, marking roll drives card to transmit, after card print, supporting item band
The dynamic print head mounting bracket lifting pushed by the first mounting bracket, printhead depart from card, and card is sent out.
Further, second sensor has been further included, distance has been sent into and prints card distance, after card is put into printer, the
Two sensors sense card, send instruction by second sensor, supporting item drives the print head pushed by the first mounting bracket
Mounting bracket declines, and after card transmits feeding distance again, printhead is pressed onto on card, and card is printed, and card transmits print again
After card distance, supporting item drives the print head mounting bracket lifting pushed by the first mounting bracket, and printhead departs from card.
Further, 3rd sensor has been further included, after printhead departs from card, card continues to transmit, the 3rd sensing
Device senses card, confirms that work and logical action are normal.
The beneficial effects of the utility model are：Printhead normality is raised configuration, and card is put into printer, card quilt
Print position is transmitted to, supporting item drives the print head mounting bracket pushed by the first mounting bracket to decline, and printhead is pressed onto on card, beats
Print head prints card, avoids card from directly tangentially entering between printhead and marking roll and card front edge is fought each other
Print head produces impact and wears, another aspect, marking roll continuation transfer card, and after card print, supporting item is driven by first
The print head mounting bracket lifting that mounting bracket pushes, printhead depart from card, and card is sent out, avoid card exit printhead and
During marking roll, card back edge produces printhead and scrapes damage, reduces card and wears or scrape damage to printhead, ensures printing matter
Amount, extends the service life of printhead.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is cross section views of the Fig. 1 along line A-A；
Fig. 3 is cross section views of the Fig. 1 along line B-B.
Embodiment
With reference to Fig. 1~3, a kind of lifting mechanism of print head, includes the print head mounting bracket 2 for being provided with printhead, to printing head
Mounting bracket 2 carries out the first mounting bracket 1 of elastic pushing, supporting item 3, and supporting item 3 is lifting the print pushed by the first mounting bracket 1
Head mounting bracket 2.
Supporting item 3 includes driven support plate 31, driving member 32 and actuator, driving member 32 drive driven support plate 31 into
Row lifting, actuator drive driving member 32 be driven, driven support plate 31 to print head mounting bracket 2 play supporting role, easy to by
Power, stability are good.
Driving member 32 is driven by cam wheel mechanism, simple and practical, and easy to manufacture, the shape of cam is according to print head
The movement of mounting bracket 2 is configured.
2 lower end side of print head mounting bracket is equipped with support fulcrum, and driven support plate 31 is equipped with and is held with what support fulcrum was adapted
Mouth 311 is held in the palm, 2 lower end of print head mounting bracket, which is supported, to be rested in support mouth 311, and stability is good, applies by 311 pairs of support fulcrums of support mouth
Active force, so that print head mounting bracket 2 realizes elevating movement.
2 upper end of print head mounting bracket is equipped with fulcrum 21, is provided with the first mounting bracket 1 and is adapted to the bearing point compressed with fulcrum 21
11, the first mounting bracket 1 applies elastic pressure, the first mounting bracket 1 by the cooperation of bearing point 11 and fulcrum 21 to print head mounting bracket 2
Pressure is applied to print head mounting bracket 2, printhead is in close contact with card, card is trembled while transmission if there is slight
Dynamic, bearing point 11 and fulcrum 21 carry out sphere-contact and are adjusted with suitable, can correspondingly make buffering and printhead angular adjustment,
Prevent from making printhead and card loose contact because of shake, the energy that printhead is delivered on card has been lost, while makes to beat
It is continual and steady to the pressure of card to print head.
One end of driven support plate 31 is provided with branch turning point 312, and the other end is provided with convex lift point 313, and driving member 32 includes
There is the first cam wheel 321, convex lift point 313 is driven by the first cam wheel 321, and driven support plate 31 rises around branch turning point 312
Drop movement, as branch turning point 312, the other end is the convex lift point driven by the first cam wheel 321 for one end of driven support plate 31
313, the first cam wheel 321 rotates, and the cam portion of the first cam wheel 321 drives convex lift point 313, driven support plate 31 around
Branch turning point 312 makees elevating movement.
Driven support plate 31 is provided with suspension mouth in the inner side of support mouth 311, and the roll shaft 41 of marking roll 4 is suspended at suspension mouth
Interior, 2 lower end both sides of print head mounting bracket are each provided with the slot mouth 22 being adapted to roll shaft 41, and slot mouth 22 is opening-like, roll shaft 41
It is inserted into slot mouth 22, slot mouth 22 can move up and down along 41 cross-sectional direction of roll shaft, while can also be in suitable timing
Corresponding drift angle is formed with 41 cross section of roll shaft, has been damaged with preventing from making because of shake printhead to be delivered to the energy on card
Consumption, while make printhead continual and steady to the pressure of card.
22 lower end both sides of slot mouth are each provided with to putting fillet 224, and slot mouth 22 is by resting on support to putting fillet 224 and support
In mouth 311,311 pairs of slot mouths 22 of support mouth have supporting role and there are relative motions, can be reduced to the setting for putting fillet 224
Abrasion caused by relative motion.
Driving member 32 is provided with to detect the first sensor of 321 turned position of the first cam wheel, to the first cam
Gear 321 is accurately positioned, to reset and control the operation such as rotation.
A kind of lifting mechanism of print head and its method of work, printhead normality is raised configuration, and card is put into printing
After machine, second sensor senses card, sends instruction by second sensor, actuator drives driving member 32, convex lift point
313 are driven by the first cam wheel 321, and driven support plate 31 makees descending motion, 2 lower end two of print head mounting bracket around branch turning point 312
Side is respectively provided with support fulcrum, and driven support plate 31 is equipped with the support mouth 311 being adapted with support fulcrum, 2 lower end of print head mounting bracket
To resting in support mouth 311,22 lower end both sides of slot mouth are each provided with to putting fillet 224, and slot mouth 22 is by putting fillet 224
To resting in support mouth 311, the abrasion mutually moved is reduced, 2 upper end of print head mounting bracket is equipped with fulcrum 21, on the first mounting bracket 1
The bearing point 11 for being adapted to and compressing with fulcrum 21 is provided with, the first mounting bracket 1 is by the cooperation of bearing point 11 and fulcrum 21 to printing head
Mounting bracket 2 applies elastic pressure, and driven support plate 31 drives to be declined by the print head mounting bracket 2 that the first mounting bracket 1 pushes, and card is again
After distance is sent into transmission, card is sent to print position, and printhead is pressed onto on card, and printhead prints card, is kept away
Exempt from card directly tangentially to enter between printhead and marking roll 4 and make card front edge produce impact to printhead and wear, block
After piece transmits print card distance again, actuator drives driving member 32, and driving member 32 drives driven support plate 31 to be lifted around branch turning point 312
Elevator is moved, and supporting item 3 drives 2 lifting of print head mounting bracket pushed by the first mounting bracket 1, and printhead departs from card, avoids card
When exiting printhead and marking roll, card back edge produces printhead and scrapes damage, reduces card wearing or scraping to printhead
Damage, ensures print quality, extends the service life of printhead, and card continues to transmit, and 3rd sensor senses card, really
Recognize work and logical action is normal.
The better embodiment of the above, simply the utility model, but the utility model is not limited to above-mentioned reality
Example is applied, as long as it reaches the technique effect of the utility model with any same or similar means, should all fall into the utility model
Within protection domain.
Claims (9)
1. a kind of lifting mechanism of print head, includes the print head mounting bracket (2) for being provided with printhead, it is characterised in that：Further include
Have to print head mounting bracket (2) the first mounting bracket (1) for being pushed, supporting item (3), the supporting item (3) is lifting by the
The print head mounting bracket (2) that one mounting bracket (1) pushes.
A kind of 2. lifting mechanism of print head according to claim 1, it is characterised in that：The supporting item (3) include from
Dynamic support plate (31), driving member (32) and actuator, the driving member (32) drives driven support plate (31) to be lifted, described
Actuator drives driving member (32) to be driven.
A kind of 3. lifting mechanism of print head according to claim 2, it is characterised in that：The driving member (32) passes through cam
Gear mechanism is driven.
A kind of 4. lifting mechanism of print head according to Claims 2 or 3, it is characterised in that：Under the print head mounting bracket (2)
End side surface is equipped with support fulcrum, and the driven support plate (31) is equipped with the support mouth (311) being adapted with support fulcrum, the print
Head mounting bracket (2) lower end, which is supported, to be rested in support mouth (311).
5. according to any a kind of lifting mechanism of print head in claims 1 to 3, it is characterised in that：The print head installation
Frame (2) upper end is equipped with fulcrum (21), is provided with first mounting bracket (1) and is adapted to the bearing point compressed with fulcrum (21)
(11), first mounting bracket (1) applies print head mounting bracket (2) elasticity pressure by the cooperation of bearing point (11) and fulcrum (21)
Power.
A kind of 6. lifting mechanism of print head according to claim 5, it is characterised in that：The fulcrum (21) in convex spherical,
The bearing point (11) is in concave ball shape.
A kind of 7. lifting mechanism of print head according to Claims 2 or 3, it is characterised in that：The driven support plate (31)
One end be provided with branch turning point (312), the other end is provided with convex lift point (313), and the driving member (32) includes the first cam
Gear (321), the convex lift point (313) are driven by the first cam wheel (321), and driven support plate (31) is around branch turning point (312)
Make elevating movement.
A kind of 8. lifting mechanism of print head according to claim 4, it is characterised in that：The driven support plate (31) is being held
Suspension mouth is provided with the inside of support mouth (311), the roll shaft (41) of marking roll (4) is suspended in suspension mouth, the print head mounting bracket (2)
Lower end both sides are each provided with the slot mouth (22) being adapted to roll shaft (41).
9. according to a kind of any lifting mechanism of print head of claims 1 to 3, it is characterised in that：The first biography is further included
Sensor, first sensor detect the first cam wheel (321) turned position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721181972.0U CN207310874U (en) | 2017-09-14 | 2017-09-14 | A kind of lifting mechanism of print head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721181972.0U CN207310874U (en) | 2017-09-14 | 2017-09-14 | A kind of lifting mechanism of print head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207310874U true CN207310874U (en) | 2018-05-04 |
Family
ID=62382693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721181972.0U Active CN207310874U (en) | 2017-09-14 | 2017-09-14 | A kind of lifting mechanism of print head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207310874U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554097A (en) * | 2017-09-14 | 2018-01-09 | 航天信息股份有限公司 | A kind of lifting mechanism of print head and its method of work |
-
2017
- 2017-09-14 CN CN201721181972.0U patent/CN207310874U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107554097A (en) * | 2017-09-14 | 2018-01-09 | 航天信息股份有限公司 | A kind of lifting mechanism of print head and its method of work |
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