CN101204887A - Typing tip drive agency - Google Patents
Typing tip drive agency Download PDFInfo
- Publication number
- CN101204887A CN101204887A CNA2007103002583A CN200710300258A CN101204887A CN 101204887 A CN101204887 A CN 101204887A CN A2007103002583 A CNA2007103002583 A CN A2007103002583A CN 200710300258 A CN200710300258 A CN 200710300258A CN 101204887 A CN101204887 A CN 101204887A
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- driving wheel
- synchronously
- band
- fixture block
- contact roller
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Abstract
The invention discloses a printer head driving mechanism comprising a frame with a guide rail and a movable terrace fixed with the printer head. A driving wheel and two pressing wheels are arranged on the movable terrace. The driving wheel is coated by a synchronous belt under the limit of the two pressing wheels. Both ends of the synchronous belt are fixed on the frame. The movable terrace is driven by the driving wheel and moves along the guide rail under the effect of driving force. The printer head driving mechanism of the invention changes the driving model of the closed synchronous belt of the prior art, and only uses a driving wheel for driving the printer head to carry out reciprocating movement along the single synchronous belt. Besides, tension force of the synchronous belt of the printer head driving mechanism of the invention can be adjusted conveniently.
Description
Technical field
The present invention relates to a kind of transmission device, especially a kind of synchronous drive mechanism of printhead.
Background technology
Band application in transmission system synchronously is very extensive, and traditional synchronous band kind of drive has two kinds: a kind of is that circular motion is delivered to circular motion, generally is used in the variable motion system; Another kind is that circular motion is delivered to straight reciprocating motion.
The shower nozzle of ink-jet printer, printing machine or printhead all are to be fixed on the pilled-in selvedge of synchronous band in the prior art, and positive and negative the transferring that drives belt wheel by drive motors realizes moving back and forth.For guaranteeing effective engagement of synchronous band and belt wheel, relatively Chang Yong way is to increase regulating wheel or adjust two centre-to-centre spacing between the belt wheel, but the installation of regulating wheel usually is subjected to the restriction of structure space, installs relatively more difficult.The cylinder ink-jet net-making machine of disclosed line slideway and band transmission synchronously in this type of technology such as the Chinese utility model patent 01245915.1, drive band synchronously with drive motors, move on line slideway with the ink gun of band drive synchronously, band is parallel each other with line slideway synchronously again.
Be delivered in the transmission mechanism of straight reciprocating motion at circular motion, also having a kind of technology is exactly that the parts self of moving linearly have drive unit.As disclosing a kind of synchronous belt drive mechanism in the Chinese utility model patent 03284098.5, it comprises a driving pulley and two driven pulleys that are positioned at same plane, two driven pulleys are symmetrical distribution with respect to the center of driving pulley, with band is continuous synchronously, the radius of driving pulley is greater than the radius of driven pulley between driving pulley and the driven pulley.
But in the prior art synchronously the fixing point of band be two belt wheels, for the depth of parallelism of the axis of two belt wheels and the flatness of end face very high requirement is arranged all, long more between drive area, high more for the processing request of base.And the transfer function of power has only been played in the slack list of band synchronously, and service efficiency is extremely low.
Summary of the invention
The invention provides the typing tip drive agency that a kind of cost is low, conveniently regulate, be convenient to safeguard, can be widely used in the driving of the shower nozzle or the printhead of ink-jet printer, printing machine.
A kind of typing tip drive agency, comprise frame that has guide rail and the motion platform that is fixed with printhead, motion platform is provided with driving wheel and two contact rollers, band partly coats driving wheel under the qualification of two contact rollers synchronously, the two ends of band are fixed on the frame synchronously, and driving wheel drives motion platform along guide rail movement under the effect of driving force.
The two ends of described synchronous band are connected with fixture block respectively, and wherein the fixture block of a side is fixed on the frame, and the fixture block of opposite side links to each other with adjusting device, and adjusting device is fixed on the frame.
Be provided with the adjusting bolt in the adjusting device, regulate bolt and be threaded with fixture block.Can adjust distance between adjusting device and the fixture block, the degree of tightness of promptly having regulated synchronous band by nut that regulate to regulate bolt.
Synchronously the side that contacts with driving wheel of band is provided with toothrow, and the outer circumference surface of driving wheel is provided with the tooth that the toothrow of synchronous band matches.Be the outer circumference surface of driving wheel and band engagement synchronously.
The outer circumference surface of driving wheel and two contact rollers is provided with the annular groove that annular is used to limit synchronous band.
The position of two contact rollers is according to being with the wrap angle sigma size with driving wheel to decide synchronously, and general wrap angle sigma scope is 90 ° to 120 °.
Typing tip drive agency of the present invention has changed sealing of the prior art and has been with the kind of drive synchronously, and it is reciprocating along being with synchronously of wall scroll only to have used a driving wheel to drive printhead.The tensile force of band is easy to adjust synchronously in the typing tip drive agency of the present invention in addition.
Description of drawings
Fig. 1 is the kind of drive of printhead in the prior art;
Fig. 2 is a typing tip drive agency structural representation of the present invention;
The specific embodiment
Referring to Fig. 1, generally all be to do straight reciprocating motion in the prior art by the rotation drive shower nozzle or the printhead of belt wheel, in this structure, the motion platform 14 that printhead is installed is fixed on conveyer belt 17 pilled-in selvedges, by the positive and negative reciprocating motion that transfers realization motion platform 14 of drive motors driving pulley 15, belt wheel 16.
Referring to Fig. 2, typing tip drive agency of the present invention comprises frame 8 that has guide rail 13 and the motion platform 12 that is fixed with printhead, motion platform 12 is provided with driving wheel 1, contact roller 2 and contact roller 3, driving wheel 1 part is coated under the qualification of contact roller 2, contact roller 3 with 5 synchronously, be fixed on the frame 8 with 5 two ends synchronously, driving wheel 1 drives motion platform 12 and moves along guide rail 13 under driven by motor.
Be connected with fixture block 11 and fixture block 6 respectively with 5 two ends synchronously, fixture block 11 is fixed on the frame 8, and fixture block 6 links to each other with adjusting device 7, and adjusting device 7 is fixed on the frame 8.
Be provided with in the adjusting device 7 and regulate bolt 9, regulate bolt 9 and be threaded, regulate bolt 9 other ends and have the nut of being convenient to rotate 10, can adjust distance between adjusting device 7 and the fixture block 6, promptly regulated synchronously degree of tightness with 5 by adjusting nut 10 with fixture block 6.
Be provided with toothrow with 5 sides that contact with driving wheel 1 synchronously, the outer circumference surface of driving wheel 1 is provided with synchronously the tooth that matches with 5 toothrow.Can avoid driving wheel 1 when rotating and between being with 5 synchronously, to skid like this, guarantee the accuracy of transmission.
The outer circumference surface of driving wheel 1, contact roller 2 and contact roller 3 is provided with annular and is used to limit synchronously annular groove with 5, can prevent to be with synchronously 5 to deviate from.
The position basis of contact roller 2 and contact roller 3 is decided with the wrap angle sigma size of driving wheel 1 with 5 synchronously, and general wrap angle sigma is 90 ° to 120 °.
When typing tip drive agency of the present invention is worked, driving wheel 1 rotates under driven by motor, mesh owing to driving wheel 1 and between being with 5 synchronously, making driving wheel 1 drive motion platform 12 moves, by the rotating of driving wheel 1, realize that motion platform 12 and the printhead (not shown) that is fixed thereon do reciprocating linear motion along guide rail 13.
Claims (6)
1. typing tip drive agency, comprise frame (8) that has guide rail (13) and the motion platform (12) that is fixed with printhead, it is characterized in that: motion platform (12) is provided with driving wheel (1), contact roller (2) and contact roller (3), band (5) coats driving wheel (1) part under the qualification of contact roller (2), contact roller (3) synchronously, the two ends of band (5) are fixed on the frame (8) synchronously, and driving wheel (1) drives motion platform (12) and moves along guide rail (13) under the effect of driving force.
2. typing tip drive agency according to claim 1, it is characterized in that: the two ends of described synchronous band (5) are connected with fixture block (11) and fixture block (6) respectively, fixture block (11) is fixed on the frame (8), fixture block (6) links to each other with adjusting device (7), and adjusting device (7) is fixed on the frame (8).
3. typing tip drive agency according to claim 2 is characterized in that: be provided with in the described adjusting device (7) and regulate bolt (9), regulate bolt (9) and be threaded with fixture block (6).
4. typing tip drive agency according to claim 1 is characterized in that: the outer circumference surface of driving wheel (1) and band (5) engagement synchronously.
5. typing tip drive agency according to claim 1 is characterized in that: the outer circumference surface of described driving wheel (1), contact roller (2) and contact roller (3) is provided with the annular groove that is used to limit synchronous band (5).
6. typing tip drive agency according to claim 1 is characterized in that: described synchronous band (5) is 90 ° to 120 ° with the wrap angle sigma of driving wheel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103002583A CN101204887A (en) | 2007-12-17 | 2007-12-17 | Typing tip drive agency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103002583A CN101204887A (en) | 2007-12-17 | 2007-12-17 | Typing tip drive agency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101204887A true CN101204887A (en) | 2008-06-25 |
Family
ID=39565445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007103002583A Pending CN101204887A (en) | 2007-12-17 | 2007-12-17 | Typing tip drive agency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101204887A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921535A (en) * | 2014-05-04 | 2014-07-16 | 王�琦 | Spray printing equipment for printing screen |
| CN104627670A (en) * | 2015-02-03 | 2015-05-20 | 上海古岛自动化设备有限公司 | Transplanting machine for tire conveying |
| CN106628918A (en) * | 2017-02-20 | 2017-05-10 | 上海涵欧制药设备有限公司 | Long-distance heavy-load dragging device |
| CN108488339A (en) * | 2018-05-28 | 2018-09-04 | 广州市捍御者信息科技有限公司 | Linear transmission |
-
2007
- 2007-12-17 CN CNA2007103002583A patent/CN101204887A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921535A (en) * | 2014-05-04 | 2014-07-16 | 王�琦 | Spray printing equipment for printing screen |
| CN104627670A (en) * | 2015-02-03 | 2015-05-20 | 上海古岛自动化设备有限公司 | Transplanting machine for tire conveying |
| CN104627670B (en) * | 2015-02-03 | 2017-04-26 | 上海古岛自动化设备有限公司 | Transplanting machine for tire conveying |
| CN106628918A (en) * | 2017-02-20 | 2017-05-10 | 上海涵欧制药设备有限公司 | Long-distance heavy-load dragging device |
| CN108488339A (en) * | 2018-05-28 | 2018-09-04 | 广州市捍御者信息科技有限公司 | Linear transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20080625 |