CN1016292B - Input unit for automatic reader - Google Patents
Input unit for automatic readerInfo
- Publication number
- CN1016292B CN1016292B CN 89108642 CN89108642A CN1016292B CN 1016292 B CN1016292 B CN 1016292B CN 89108642 CN89108642 CN 89108642 CN 89108642 A CN89108642 A CN 89108642A CN 1016292 B CN1016292 B CN 1016292B
- Authority
- CN
- China
- Prior art keywords
- paper
- roll
- release
- support plate
- balance support
- 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
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Abstract
The present invention relates to an input device of an automatic reading appliance, which alters the paper pressing mode of the paper twisting roller of the input device of the existing automatic reading device into an eccentric heavy type of a lever. The original paper pressing mode is spring force type. The heavy eccentric of the bearing plate of information cards is used to lead information card paper to be pressed towards the paper twisting roller. The present invention has the advantages of simple structure, and convenient operation.
Description
The present invention relates to the release input media of automatic reader.
Automatic reader is to obtain information on the reading information card with photoelectric sensor, and the input computing machine carries out computing, in order to read, data such as statistics examination paper, aspiration table, questionnaire, statistical form.Existing homemade reader all adopts manual individual batch (-type) to place release, intermittently reads inefficiency, bit error rate height.Its release of external automatic reader is carried with paper pushing roller continuously by conveying device, can place tens of releases at every turn, and is easy to operate, the efficient height, and the bit error rate is low.The mobile of its release is to realize by the friction that spring pressure produces between paper pushing roller and release.Paper pushing roller has several forming a line.Its setting has overhead (being placed in above the release) or underneath type (being placed in below the release).Number of spare parts is more in general, and structure is complicated, and it is higher to make installation requirement, and price is more expensive.
The objective of the invention is to develop automatic reader input media a kind of simple in structure, easy to operate.
Formation of the present invention is a release and to twist with the fingers the friction force of paper between rolling be to be rolled on and produce normal pressure and realize twisting with the fingers paper by leverage by the eccentric weight of balance support plate.Can save the spring pressing mechanism like this.Its principle of work such as Fig. 1.Release 1 is placed on A(sliding bearing or rolling bearing) be on the balance support plate 2 of fulcrum, the center of gravity of balance support plate 2 is not on geometric center lines, make release 1 roll 3 by leverage and on contact point B, produce normal pressure with sth. made by twisting paper, roll 3 when rotating when twisting with the fingers paper by direction as shown, friction force promptly drives release 1 and advances, when release enter push away paper roll 4 and the contact point of nip drum 5 after, pushing away paper rolls 4 and promptly promotes release and move on, behind sensor board 7 and idler pulley 6, roll 9 and nip drum 8 is hauled out it and last the release by holder paper.Thereby finish a reading cycle.
The off-centre of balance support plate 2 can take different modes to realize, Fig. 2 utilizes the borehole of balance support plate itself to make it produce off-centre.Fig. 3 is that the end at balance support plate 2 adds a counterweight that it is produced is eccentric.Fig. 4 adopts the center of gravity of spiral adjustable.
For ease of narration, illustrate that accompanying drawing is as follows:
Fig. 1 fundamental diagram.
1-release 2-balance support plate 3-twists with the fingers paper and rolls
4-pushes away paper and rolls 5,8-nip drum 6-idler pulley
7-sensor board 9-drags paper to roll
Fig. 2 makes the balance support plate produce eccentric synoptic diagram by borehole.
The C-borehole.
Fig. 3 makes the balance support plate produce eccentric synoptic diagram by counterweight.
The D-counterweight.
Fig. 4 makes paper platform produce eccentric synoptic diagram by adjustable spiral.
Fig. 5,6 automatic reader input device structure figure.
2-balance support plate 3-twists with the fingers paper and rolls 4-and push away paper and roll
5,8-nip drum 6-idler pulley 7-sensor board
9-drags paper to roll 10-paper platform 11-pedestal
12,13-base side boards 14-pedestal bottom plate 15-face plate of foundation
The 16-cardboard 17-motor 18-band transmission of threading is paid
19-U type travel(l)ing rest 20-support slot 21, the 22-rolling bearing
23-hook 24-block 25-screw
Fig. 7 balance support plate structural drawing.
21, the 22-rolling bearing.
Fig. 8 idler pulley lifting regulating mechanism figure.
Fig. 9 hook structure figure.
23-hook 24-block
In conjunction with Fig. 5,6 explanation embodiments of the invention are as follows:
Input media of the present invention by pedestal 11(by side plate 12,13, base plate 14, panel 15 is formed), balance support plate 2 is twisted with the fingers paper and is rolled 3, push away paper and roll 4, platen rolls 5,8, idler pulley 6, sensor board 7 drags paper to roll 9, paper platform 10, the cardboard 16 of threading, motor 17, the band transmission pays 18, and U type travel(l)ing rest 19 is formed, at the both sides of pedestal 11 side plate 12, respectively have support slot 20 on 13, settle rolling bearing 21 symmetrically on the geometric center lines of balance support plate 2,22(sees Fig. 7), balance support plate 2 can pass through rolling bearing 21,22 are placed in the support slot 20 of pedestal 11 both sides side plates 12,13, because balance support plate 2 can pass through borehole, balance support plate 2 counterweight is set or makes it produce off-centre, so can upwarp the one end because of eccentric with adjustable diameter and screw adjusting.Motor 17 of side plate 12 installed inside of pedestal 11, pay 18 by the band transmission, drive sth. made by twisting paper and roll 3, for make release can with push away paper and roll 4 and be close to, and produce enough friction force, a platen is set above rolling 4 and rolls 5 pushing away paper, roll 4 and settle along one side of release working direction and to drag paper to roll 9 pushing away paper, and nip drum 8 is set above it.Roll 3 and push away paper and roll between 4 twisting with the fingers paper on the pedestal 11, the setting cardboard 16 of threading, roll 4 and drag paper sensor board 7 to be set between rolling 9 pushing away paper, settling two motors 17 to pay 18 by the band transmission on base side boards 13 drives respectively and pushes away paper and roll 4 and drag paper to roll 9, at the positioned beneath idler pulley 6 of sensor board 7, (see figure 8) can be adjusted by governor motion in the gap between idler pulley 6 and the sensor board 7.One side of the base plate 14 of pedestal 11 is provided with a U type travel(l)ing rest (see figure 6).This support can be propped or regain, the state of propping can make pedestal 11 and placed side be 25 °～40 ° inclination, release on paper platform 10 is close to side plate 12 directions owing to conducting oneself with dignity, so that guiding, U type travel(l)ing rest 19 is off working state when retracted state.
For placing different dimensions releases, on side plate 12,13, having shown in several support slot 20(figure to three support slots are respectively arranged) balance support plate 2 can be placed in the different slots on demand.Be the position of stable equilibrium support plate, hook 23(be set on support slot 20 see Fig. 9).Block 24(being installed at hook on 23 can fix with rivet) end of hook can be installed on the side plate 12,13 of pedestal 11 (see figure 5) by screw 25 and can screw be the revolving shaft rotation.
The input media course of work of the present invention is as follows:
Press the size of release paper, balance support plate 2 is put into suitable support slot 20, (paper greatly then is placed in the support slot in left side), paper platform 10 is placed on the balance support plate 2, and to locate among two pin-and-hole F of two register pins on balance support plate 2.(register pin is not shown) information paperboard is placed on the paper platform 10, because the effect of eccentric moment, sth. made by twisting paper rolls 3 and can compress release 1, behind the starter motor 17, twist with the fingers paper and roll 3 and promptly drive release 1 and move to the diagram direction of arrow, release 1 rolls 4 and contacts with nip drum 5 with pushing away paper by cardboard 16 backs of threading, and rolls 4 and pushes away the below that release 1 enters sensor board 7 by pushing away paper immediately, information in the photoelectric sensor sense information card 1, the input computing machine is handled.Release 1 rolls 8 and drag paper to roll 9 backs and continue to move to the direction of arrow through platen, shifts out until whole release and drags paper to roll and the reader of dishing out.Sth. made by twisting paper rolls 3 just to be continued to carry second release after disengaging with first release, so repeats.
This input media simple in structure, easy to operate, cost is low, and volume is little, can adapt to the release of different size, highly versatile.
Claims (3)
1, a kind of by pedestal 11, balance support plate 2 is twisted with the fingers paper and is rolled 3, push away paper and roll 4, nip drum 5,8, idler pulley 6, sensor board 7 drags paper to roll 9, paper platform 10, the cardboard 16 of threading, motor 17, the input media of 18 automatic readers of forming is paid in the band transmission, it is characterized in that to roll friction force between 3 be to be rolled on the generation normal pressure and realize twisting with the fingers paper by leverage by the eccentric weight of balance support plate 2 to release with twisting with the fingers paper.
2, by the input media of the described automatic reader of claim 1, it is characterized in that the adjustable gaps between idler pulley 6 and the sensor board 7.
3,, it is characterized in that a side of input media is equipped with U type travel(l)ing rest 19 according to claim 1,2 described automatic reader input medias.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89108642 CN1016292B (en) | 1989-11-23 | 1989-11-23 | Input unit for automatic reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89108642 CN1016292B (en) | 1989-11-23 | 1989-11-23 | Input unit for automatic reader |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1051999A CN1051999A (en) | 1991-06-05 |
| CN1016292B true CN1016292B (en) | 1992-04-15 |
Family
ID=4857660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89108642 Expired CN1016292B (en) | 1989-11-23 | 1989-11-23 | Input unit for automatic reader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1016292B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100579772C (en) * | 2007-06-04 | 2010-01-13 | 上海朝昌包装机械有限公司 | Roller type paper feeding mechanism without lifting board and its operation mode |
-
1989
- 1989-11-23 CN CN 89108642 patent/CN1016292B/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100579772C (en) * | 2007-06-04 | 2010-01-13 | 上海朝昌包装机械有限公司 | Roller type paper feeding mechanism without lifting board and its operation mode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1051999A (en) | 1991-06-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |