CN100577428C - Printer tension mechanism unit having tension rod positioning structure - Google Patents
Printer tension mechanism unit having tension rod positioning structure Download PDFInfo
- Publication number
- CN100577428C CN100577428C CN200810057928A CN200810057928A CN100577428C CN 100577428 C CN100577428 C CN 100577428C CN 200810057928 A CN200810057928 A CN 200810057928A CN 200810057928 A CN200810057928 A CN 200810057928A CN 100577428 C CN100577428 C CN 100577428C
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- tooth bar
- tension force
- force stick
- tension
- printer
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Abstract
The invention discloses a tension mechanism unit used for a printer, which comprises a couple of rack guiding devices set symmetrically and a tension stick floated and installed in the couple of rack guiding devices. The rack guiding device comprises a bracket which is provided with bolt mounting holes; the guiding rack is fixed on the bracket; the bracket is also provided with a location structure of an initial position of the tension stick and an arch transition rack which is meshed with the gear in the top end of the tension stick; the gear of the top end of the tension stick moves from the initial position to the state that meshed with the guiding rack in the state of maintaining being meshed with the transition rack. By providing the location structure and the transition rack in the bracket, the invention ensures not only the consistency of the initial position in the two ends of the tension stick, but also the consistency of phases in the two end racks in the transferring process of the tension stick from the initial position to the working position. Therefore, the invention eliminates the problems existed before and ensures the installation precision of the tension stick.
Description
Technical field
The present invention relates to the printer field, especially have the printer tension mechanism unit of tension force stick location structure on it.
Background technology
Generally all be provided with tensioner on the existing large-scale printer, make print media be in suitable tensioning state by tensioner, so not only help to guarantee print quality, and can make print media wound in parallel after the printing to take up roll, avoid it deflection in winding process, to occur.This tensioner on the printer generally includes several tension mechanism unit, as shown in Figure 1, each tension mechanism unit is installed in a pair of tooth bar guider on the wallboard of printer both sides by symmetry and the tension force stick that is installed in the tooth bar guider that floats constitutes, wherein be provided with a toothed rack and one and the baffle plate that is provided with of tooth bar parallel interval on each tooth bar guider, form a straight line guide channel between tooth bar and the baffle plate, the tension force stick two ends are provided with gear, and are meshed by this wheel and rack and are installed in the beeline channel that tooth bar and baffle plate constitute.During concrete the application, tooth bar in the tooth bar guider all is vertically mounted on the wallboard of printer both sides, the tension force stick that is installed in like this in the tooth bar guider can rotate on one side, Yi Bian vertically the guide channel of Yan Shening moves up and down, thereby forms floating type printing medium mechanism.
When carrying out device assembles, at first install on the tooth bar guider, and then packed in the tooth bar guider in the tension force stick two ends in symmetry on the wallboard of printer both sides.Because tension force stick often reaches several meters, and external diameter is smaller, the tooth bar guider is installed in the bottom of printer usually again, be in and be difficult for observation, not easy-operating position, and the guide channel in the tooth bar guider is narrow and small, the modulus of tooth is very little again on the tooth bar, therefore, must two people when tension force stick is installed hands the two ends of tension force stick and carries out simultaneously gropingly.But nonetheless, the gear at its two ends and the inconsistent situation in initial engagement position of respective rack still often appear in the tension force stick after the assembling, promptly the gear at tension force stick two ends initial position respectively with two tooth bars on the tooth of differing heights position mesh.And in case this situation occurs, will cause the tracks of tension force stick axis and feed rollers, take up roll and printhead not parallel, and and then influence the print quality of printer.
Summary of the invention
Problem at prior art exists the object of the present invention is to provide the improved printer of a kind of structure tension mechanism unit.
For achieving the above object, a kind of printer that has the tension force stick location structure of the present invention tension mechanism unit, comprise a pair of symmetrically arranged tooth bar guider and a tension force stick, tension force stick is meshed to float by the guiding tooth bar in the wheel and rack guider of its two ends setting and is installed in the two tooth bar guiders; The tooth bar guider comprises support, and support is provided with for the screw mounting hole that links to each other with the printer wallboard, and described guiding tooth bar is fixed on the support; Also be provided with tension force stick initial position fix structure on the support, and the arc-shaped transition tooth bar that is meshed with the tension force stick end gear, the tension force stick end gear keep with state that described transition tooth bar is meshed under move to the state that is meshed with described guiding tooth bar from its initial position.
Further, described transition tooth bar is half rack circle.
Further, described transition tooth bar and described guiding tooth bar interconnect, and constitute an integrally-built tooth bar.
Further, described location structure is made of a location backup plate, and this location backup plate is positioned at the end of described transition tooth bar away from described guiding tooth bar one side, locatees the initial position that backup plate matches with described tension force stick end gear to tension force stick and limits.
Further, also respectively be provided with a pair of clamp on the support of described transition tooth bar both sides, two clamps be parallel to each other and the width of spacing and described tension force stick end gear suitable, the length of two clamps is corresponding with the length of transition tooth bar, the tension force stick end gear also axially is limited between two clamps with when the transition tooth bar is meshed.
Further, the screw mounting hole on the support in described two tooth bar guiders is slotted hole, and the bearing of trend of the slotted hole on the slotted hole on this support and those supports is vertical mutually.
The present invention is by after being provided with location structure and transition gear on the support, both guaranteed the uniformity of tension force stick two ends initial positions, guaranteed again in the transfer process of tension force stick from the initial position to the operating position, the uniformity of its two ends gear phase place, thereby eliminated the problem that in the past existed, guaranteed the installation accuracy of tension force stick.
Description of drawings
Fig. 1 is a tensioner structural representation in the prior art;
Fig. 2 is a perspective view of the present invention;
Fig. 3 is a partial structurtes schematic diagram of the present invention;
Fig. 4 is a partial sectional view of the present invention;
Fig. 5 is the rack structure schematic diagram.
The specific embodiment
To shown in Figure 5, a kind of printer that has the tension force stick location structure of the present invention tension mechanism unit comprises a pair of symmetrically arranged tooth bar guider 5 and a tension force stick 1 as Fig. 2.Tooth bar guider 5 comprises support 4, support 4 is provided with tooth bar 2, initial position fix structure 3, first screw mounting hole 41 and second screw mounting hole 42, its middle rack 2 comprises semicircle transition tooth bar 21 and guiding tooth bar 22, and initial position fix structure 3 comprises two clamps 31 and location backup plate 33; The two ends of tension force stick 1 are symmetrically arranged with gear 11, and gear 11 is meshed with guiding tooth bar 22, are installed in the two tooth bar guiders 5 thereby tension force stick 1 is floated.First screw mounting hole 41 and second screw mounting hole 42 are slotted hole, and the bearing of trend in two holes is vertical mutually, like this when two tooth bar guiders 5 are installed, can regulate respectively in level and vertical both direction, tension force stick 1 axis after installing with assurance and the axis of printer feed rollers and take up roll are parallel to each other.
When tension force stick 1 was installed, the gear 11 at its two ends was resisted against on the backup plate 33 of location under the state that maintenance and transition tooth bar 21 mesh simultaneously, thereby the initial position of tension force stick 1 is limited.Since tension force stick 1 be nature and backup plate 33 against and with backup plate 33 against prerequisite under be meshed with transition tooth bar 21 again, guaranteed the uniformity of tension force stick 1 two ends gear 11 initial positions like this.At this moment, gear 11 is between two clamps 31, because of two clamps 31 are arranged in parallel, and the width of its spacing and gear 11 is suitable, gear 11 also axially is limited between two clamps 31 with when transition tooth bar 21 is meshed like this, thereby has made things convenient for the installation location of tension force stick 1.After the initial position of tension force stick 1 is determined, again it is transferred to normal operating position from initial position, it is the position that gear 11 is meshed with guiding tooth bar 22, because of in transfer process, gear 11 remains the engagement with transition tooth bar 21, therefore, and under the prerequisite of tension force stick 1 two ends gear 11 initial position unanimities, also correspondingly guarantee the uniformity with guiding tooth bar 22 position of engagement when being meshed, thereby guaranteed the installation accuracy of tension force stick 1.
Claims (6)
1, a kind of printer that has tension force stick location structure tension mechanism unit, comprise a pair of symmetrically arranged tooth bar guider and a tension force stick, tension force stick is meshed to float by the guiding tooth bar in the wheel and rack guider of its two ends setting and is installed in the two tooth bar guiders; Described tooth bar guider comprises support, and support is provided with for the screw mounting hole that links to each other with the printer wallboard, and described guiding tooth bar is fixed on the support; It is characterized in that, also be provided with tension force stick initial position fix structure on the described support, and the arc-shaped transition tooth bar that is meshed with described tension force stick end gear, the tension force stick end gear keep with state that described transition tooth bar is meshed under move to the state that is meshed with described guiding tooth bar from its initial position.
2, the printer that has the tension force stick location structure as claimed in claim 1 tension mechanism unit is characterized in that described transition tooth bar is half rack circle.
3, the printer that has the tension force stick location structure as claimed in claim 2 tension mechanism unit is characterized in that described transition tooth bar and described guiding tooth bar interconnect, and constitute an integrally-built tooth bar.
4, the printer that has the tension force stick location structure as claimed in claim 3 tension mechanism unit, it is characterized in that, described location structure is made of a location backup plate, this location backup plate is positioned at the end of described transition tooth bar away from described guiding tooth bar one side, and the initial position that the location backup plate matches with described tension force stick end gear to tension force stick limits.
5, the printer that has the tension force stick location structure as claimed in claim 4 tension mechanism unit, it is characterized in that, also respectively be provided with a pair of clamp on the support of described transition tooth bar both sides, two clamps be parallel to each other and the width of spacing and described tension force stick end gear suitable, the length of two clamps is corresponding with the length of transition tooth bar, the tension force stick end gear also axially is limited between two clamps with when the transition tooth bar is meshed.
6, the printer that has the tension force stick location structure as claimed in claim 5 tension mechanism unit, it is characterized in that, screw mounting hole on the support in described two tooth bar guiders is slotted hole, and the bearing of trend of the slotted hole on the slotted hole on this support and those supports is vertical mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810057928A CN100577428C (en) | 2008-02-21 | 2008-02-21 | Printer tension mechanism unit having tension rod positioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810057928A CN100577428C (en) | 2008-02-21 | 2008-02-21 | Printer tension mechanism unit having tension rod positioning structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101229729A CN101229729A (en) | 2008-07-30 |
| CN100577428C true CN100577428C (en) | 2010-01-06 |
Family
ID=39896658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810057928A Expired - Fee Related CN100577428C (en) | 2008-02-21 | 2008-02-21 | Printer tension mechanism unit having tension rod positioning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100577428C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5191307B2 (en) * | 2008-08-12 | 2013-05-08 | 株式会社セイコーアイ・インフォテック | Tension applying device and inkjet printer |
| CN104975415A (en) * | 2015-07-14 | 2015-10-14 | 吴江新劲纺织有限公司 | Novel yarn tensioner used for textile use |
| CN104975416A (en) * | 2015-07-14 | 2015-10-14 | 吴江新劲纺织有限公司 | Yarn-tensioning device for textile use |
| CN107792717A (en) * | 2017-10-19 | 2018-03-13 | 上海鸣过滤技术有限公司 | A kind of type variable Minimum Tension Control System |
| JP2019181841A (en) * | 2018-04-12 | 2019-10-24 | 株式会社ミマキエンジニアリング | Printer |
| CN108861752A (en) * | 2018-07-13 | 2018-11-23 | 张敏鸽 | Auto-feeder for sheet type product |
| KR102048852B1 (en) * | 2018-07-16 | 2019-11-26 | 한국기계연구원 | Apparatus and method for independently controlling bilateral web tensions using active dancers |
| CN111606107B (en) * | 2020-06-08 | 2021-09-14 | 镇江中化聚氨酯工业设备有限公司 | Coiled material automatic feed device |
| CN114162653A (en) * | 2021-07-14 | 2022-03-11 | 河南印都数码科技有限公司 | Gravity type scroll tensioning device adaptive to change of linear speed of scroll |
-
2008
- 2008-02-21 CN CN200810057928A patent/CN100577428C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101229729A (en) | 2008-07-30 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ACER COMPUTER (CHINA) CO., LTD. Free format text: FORMER OWNER: BEIDA FANGZHENG SCIENCE + TECHNOLOGY COMPUTER SYSTEM CO., LTD., SHANGHAI Effective date: 20101028 |
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| C56 | Change in the name or address of the patentee | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200120 36/F, SHANGHAI INTERNATIONAL BUILDING, NO.360, PUDONG SOUTH ROAD, PUDONG NEW DISTRICT, SHANGHAI TO: 200001 3/F, NO.168, XIZANG MIDDLE ROAD, HUANGPU DISTRICT, SHANGHAI |
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| CP02 | Change in the address of a patent holder |
Address after: 100191 Haidian District, Beijing, Garden Road, No. 1, Taixing building, the first floor, the two floor Patentee after: Beijing Meikeyi Digital Code Science & Technology Development Co., Ltd. Address before: 100089 Beijing, Suzhou Street, Haidian District, No. 79, Jinzhou building, 15 Floor Patentee before: Beijing Meikeyi Digital Code Science & Technology Development Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100106 Termination date: 20200221 |