CN201023328Y - Printing medium transmission device for pinch roller friction type number ink-jet machine - Google Patents
Printing medium transmission device for pinch roller friction type number ink-jet machine Download PDFInfo
- Publication number
- CN201023328Y CN201023328Y CNU2007201074722U CN200720107472U CN201023328Y CN 201023328 Y CN201023328 Y CN 201023328Y CN U2007201074722 U CNU2007201074722 U CN U2007201074722U CN 200720107472 U CN200720107472 U CN 200720107472U CN 201023328 Y CN201023328 Y CN 201023328Y
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- CN
- China
- Prior art keywords
- transmission device
- pinch roller
- rubber roll
- print media
- drive wheel
- 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 - Fee Related
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Abstract
The utility model relates to a printing media driving device of the digital inkjet plotter of pinch type, consisting of a main driving wheel (1) and a pinch (2), wherein the main driving wheel (1) is disposed on a main driving shaft (6). The utility model is characterized in that the main driving wheel (1) is provided with an assistant driving device (3) at one side at least. It is easy for the utility model to drive the media, and the utility model is capable of carrying heavier media, thereby making the rotation more precise.
Description
Technical field
The utility model relates to a kind of transmission device of print media, is the print media transmission device of the accurate pinch roller friction-type of a kind of transmission digit inkjet printer specifically.
Background technology
At present, use comprises pinch roller and main drive wheel at the print media transmission device of pinch roller friction-type digit inkjet printer, drive motors is by the main drive wheel of band driving synchronously, medium is between pinch roller and main drive wheel, when medium is printed, pinch roller is pressed in print media on the main drive wheel, and main drive wheel utilizes the frictional force drives print media.But when the print media quality is heavier, drive frictional force and exist the not situation of moving medium of dragging, cause the transmission inaccuracy, will make the print media that passes through this transmission device like this after printing, print overlapping, secret note occurs, but also might make that the dark dark difference of the medium color that prints is big.
As mentioned above, there is following deficiency in prior art: the print media transmission device can not drag the bigger medium of mass ratio, and transmission is accurate inadequately, easily causes print defect.
Summary of the invention
The print media transmission device that the utility model has solved the prior art existence can not drag the bigger medium of mass ratio, transmission is accurate inadequately, easily cause the problem of print defect, provide a kind of and can make the print media transmission accurate, and can accurately drive the print media transmission device of the pinch roller friction-type digit inkjet printer of beating again the seal medium.
Above-mentioned technical purpose of the present utility model mainly solves by the following technical programs: a kind of print media transmission device of pinch roller friction-type digit inkjet printer, comprise main drive wheel and pinch roller, main drive wheel is located on the main drive wheel axle, it is characterized in that at least also being provided with auxiliary drive in the one side in the print media transmission device except that main drive wheel and pinch roller.Described auxiliary drive comprises rubber roll and the pressure roller that matches with rubber roll, and described rubber roll links to each other with the main drive wheel axle by being with synchronously.Described auxiliary drive can respectively be established one in the main drive wheel both sides simultaneously, also can set up in the front side of main drive wheel or set up rear side at main drive wheel, owing to increased auxiliary drive, make that the gearratio of print media is steady, accurate, avoided the contingent motionless problem of dragging because of print media is overweight, avoid printing problems such as overlapping, secret note and the dark dark difference of color are big, improved the air brushing quality greatly.
As preferably, described pressure roller is located at the rubber roll top, and rubber roll is pressed to by chute in the pressure roller two ends.Like this, connect, can regulate the position relation between pressure roller and the rubber roll by chute, this pressure roller is relocatable, and pressure roller can be pushed down by the medium between pressure roller and the rubber roll by self-dependent gravity, makes it can drive the heavier medium of weight, and stable drive and accurately.
As preferably, described pressure roller is located at the rubber roll below, and the pressure roller two ends are fixedly connected.This pressure roller is to float, and medium is just pushed down by rubber roll and pressure roller.
As preferably, the drive wire speed of described rubber roll equals or is slightly larger than the drive wire speed of main drive wheel.Promptly when work, the drive wire speed of back cot equals or is slightly larger than the drive wire speed of main drive wheel, and the drive wire speed of preceding rubber roll also equals or be slightly larger than the drive wire speed of main drive wheel, makes that the medium transmission that is printed is accurate.
As preferably, described rubber roll surface is a rubber layer.
As preferably, described roller surface is provided with the pressure roller flexible material layer.The material of described pressure roller flexible material layer can be reduced friction for sponge, foam etc., improves service life.
The utility model is skillfully constructed, and it has following beneficial effect compared with the prior art:
By the setting of auxiliary drive, make it can drag the bigger medium of mass ratio, and stable drive is accurate, printing can be not overlapping, secret note can not occur printing yet, and it is clear to print.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model:
Fig. 2 is the structural representation of rubber roll;
Fig. 3 is the structural representation of pressure roller.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described further.
Embodiment 1.See Fig. 1, Fig. 2 and Fig. 3, the print media transmission device of this routine a kind of pinch roller friction-type digit inkjet printer, comprise main drive wheel 1 and pinch roller 2, main drive wheel 1 is located on the main drive wheel axle 6, the both sides of main drive wheel 1 are respectively equipped with auxiliary drive 3a and 3b (see figure 1), the structure of two auxiliary drives constitutes roughly the same, respectively by band 8a and 8b cooperate the formation driving-chain with main drive wheel axle 6 synchronously, because the setting of auxiliary drive 3a and 3b, make it can drag the bigger medium of mass ratio, and stable drive is accurate, printing can be not overlapping, secret note also can not occur printing, it is clear to print.Wherein, forward and backward auxiliary drive 3a comprises that with 3b rubber roll 4a reaches pressure roller 5a and the 5b that is connected with 4b with rubber roll 4a with 4b, rubber roll 4a links to each other with main drive wheel axle 6 with 8b by synchronous band 8a respectively with 4b, drives (see figure 1) with 8a and 8b together by driven pulley 12a on the driving pulley on the main drive wheel 1 11 and rubber roll 4a and the 4b and 12b synchronously. Rubber roll 4a and 4b surface are provided with rubber layer 10 (see figure 2)s, and pressure roller 5a and 5b surface also are provided with flexible material layer 7 (see figure 3)s that material is a sponge, pressure roller 5a and 5b are located at rubber roll 4a and 4b top, and rubber roll 4a and 4b (see figure 1) are pressed to by chute 9 in pressure roller 5a and 5b two ends, and this pressure roller 5a and 5b are for floating pressure roller.When work, rubber roll 4a on the forward and backward auxiliary drive and the drive wire speed of 4b equal or are slightly larger than the drive wire speed of main drive wheel 1.
It is apparent to one skilled in the art that the utility model can be changed into multiple mode, and such change is not thought and broken away from scope of the present utility model.What all were such will be included within the scope of this claim the conspicuous modification of described those skilled in the art.
Claims (8)
1. the print media transmission device of a pinch roller friction-type digit inkjet printer comprises main drive wheel and pinch roller, and main drive wheel is located on the main drive wheel axle, it is characterized in that at least one side of described main drive wheel is provided with auxiliary drive.
2. the print media transmission device of pinch roller friction-type digit inkjet printer according to claim 1 is characterized in that described auxiliary drive comprises rubber roll and the pressure roller that cooperates with rubber roll, and described rubber roll links to each other with the main drive wheel axle by being with synchronously.
3. the print media transmission device of pinch roller friction-type digit inkjet printer according to claim 2 it is characterized in that described pressure roller is located at rubber roll top, and the pressure roller two ends is pressed on the rubber roll by chute.
4. the print media transmission device of pinch roller friction-type digit inkjet printer according to claim 2 it is characterized in that described pressure roller is located at rubber roll below, and the pressure roller two ends is fixedly connected.
5. the print media transmission device of pinch roller friction-type digit inkjet printer according to claim 2 is characterized in that the drive wire speed of described rubber roll is equal to or greater than the drive wire speed of main drive wheel.
6. the print media transmission device of pinch roller friction-type digit inkjet printer according to claim 1 and 2 is characterized in that described rubber roll surface is provided with the elastomeric material layer.
7. according to the print media transmission device of claim 1 or 2 or 3 or 4 described pinch roller friction-type digit inkjet printers, it is characterized in that described roller surface is provided with the pressure roller flexible material layer.
8. the print media transmission device of pinch roller friction-type digit inkjet printer according to claim 1 and 2 is characterized in that described auxiliary drive respectively establishes one in the both sides of main drive wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201074722U CN201023328Y (en) | 2007-03-26 | 2007-03-26 | Printing medium transmission device for pinch roller friction type number ink-jet machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201074722U CN201023328Y (en) | 2007-03-26 | 2007-03-26 | Printing medium transmission device for pinch roller friction type number ink-jet machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201023328Y true CN201023328Y (en) | 2008-02-20 |
Family
ID=39097182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201074722U Expired - Fee Related CN201023328Y (en) | 2007-03-26 | 2007-03-26 | Printing medium transmission device for pinch roller friction type number ink-jet machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201023328Y (en) |
-
2007
- 2007-03-26 CN CNU2007201074722U patent/CN201023328Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080220 Termination date: 20130326 |