CN102873989B

CN102873989B - Arrangement method for needle withdrawing of environmental-friendly print head

Info

Publication number: CN102873989B
Application number: CN201210346388.1A
Authority: CN
Inventors: 祁明科
Original assignee: Nanjing Fujitsu Computer Products Co Ltd
Current assignee: Nanjing Fujitsu Electronic Information Technologies Co Ltd
Priority date: 2012-05-18
Filing date: 2012-09-18
Publication date: 2014-11-26
Anticipated expiration: 2032-09-18
Also published as: CN102873989A

Abstract

The invention relates to an arrangement method for coming out needles of an environmental-friendly print head. In a 24-needle print head, coordinates of each of 24 needles are Li and Wj, wherein the i in the Li represents the column number of the needle from left to right, namely coordinates in an X direction, and the ji in the Wj represents the row number of the needle from down to up, namely coordinates in a Y direction. Coordinates of all the needles respectively are: L1 and W12, L1 and W14, L2 and W10, L2 and W16, L3 and W8, L3 and W18, L4 and W6, L4 and W20, L5 and W4, L5 and W22, L6 and W2, L6 and W24, L7 and W1, L7and W23, L8 and W3, L8 and W21, L9 and W5, L9 and W19, L10 and W7, L10 and W17, L11 and W9 , L11 and W15, L12 and W11, and L12 and W13; the row spacing is 1/180 inches; and the row spacing is 5/180*3 inches.

Description

A kind of environment-friendly type printhead goes out pin aligning method

Technical field:

The present invention is that a kind of environment-friendly type printhead goes out pin aligning method.Its main purpose is that assurance printhead is realized low noise, low-power consumption, long-life under specific print speed.

Background technology:

Along with the development of China's printing device, impact printer is all widely used in every field, and its environmental protection is printed and also by each row, praised highly, and the present invention realizes the method that environmental protection is printed.

Application number: 98115516.2, a plurality of printheads are housed on single bracket, printhead has by impacting and in recording medium, forms a plurality of print needles of matrix of printed dots, makes a plurality of print needle drive units that the displacement vertically of each print needle drives selectively, each print needle drive unit is contained in integratedly to printhead housing wherein, is arranged on printhead housing and guiding print needle is arranged in the print needle guiding elements on assigned position, be characterized in, with common member, make the printhead housing of each printhead form one.The present invention has realized printing carriage apparatus and the printing equipment that can stablize and keep accurately relative position between print needle.

CN99107587.0 provides a kind of great-jump-forward (sketch) printer drive method for row dot printer, and the print needle that its printhead group is arranged by zigzag forms.In zigzag print needle is arranged, in the direction perpendicular to paper feed direction, repeat to arrange print needle group, it comprises L the print needle of printing to execution point on L dot printing row the 1st respectively.During each one-stroke of printhead group, from print needle group, specify one or more print needles by the drive circuit of row dot printer, to drive execution point to print in one-stroke.The method can be improved printhead group characteristic, and can alleviate drive circuit load and reduce interference level.

CN98109203.9 has the dot matrix print head of a print needle guiding parts; comprise: first row print needle pilot hole; the first round has the center of circle being arranged in accordingly on first longitudinal straight line, and along described first longitudinal straight line each other at a distance of the fixed range of a pitch; $ second row print needle pilot hole, the second round has the center of circle being arranged in accordingly on the second longitudinal straight line that is parallel to first longitudinal straight line, and these centers of circle along described second longitudinal straight line each other at a distance of the fixed range of described pitch.The center of circle of each the second round of $ is arranged on corresponding laterally straight line, this horizontal straight line and first longitudinal straight line intersect with the equidistant point in two adjacent holes centers of circle of first row on.

CN201110229351.6 impact printer, it possesses: printhead unit, it has makes print needle impact contact history medium and the stylus head printing and the scaffold that described stylus head is supported via ink ribbon; Path forms member, it forms the transport path of the described recording medium on the print position of described stylus head, wherein, on described scaffold, be provided with the first butt group, this first butt group has that near described stylus head position and described path form member butt and at least three contacts of location of carrying out forming with respect to described path the print needle projected direction of member.

The printhead of existing stylus printer is uniform design, yet goes out pin aligning method there are no environment-friendly type printhead, and the peak power of using stylus printer seal is minimum; Peak noise while using stylus printer seal is minimum.Print needle deflection in printhead is arranged is minimum, thereby guarantees that the print needle life-span is longer.

Summary of the invention:

The present invention seeks to, propose a kind of effectively laterally (row) and longitudinal (row) arranged with interval method, and for environment-friendly type printhead goes out pin aligning method, the peak power of using stylus printer seal is minimum; Peak noise while using stylus printer seal is minimum.Especially its row are apart from having adopted more rational computational methods with array pitch.

Technical scheme of the present invention is: a kind of environment-friendly type printhead goes out pin aligning method, these aligning method 24 pin printheads: longitudinally have 12 row, every row 2 pins at least, laterally have 24 rows at least, every row's 1 pin; 48 pin printheads are longitudinally 16 row, every row 2 to 4 pins, horizontal 24 rows, every row 2 pins.Especially its row are apart from having adopted more rational spacing with array pitch.

If 24 pin printheads are longitudinally 12 row, every row 2 pins; Be laterally 24 rows, every row 1 pin, the coordinate of every pin of 24 pins is LiWj, and wherein the i of Li represents the columns of pin from left to right, and the most left pin is first row, i.e. directions X coordinate; The j of Wj represents the row of pin from top to bottom, and the pin under is first row, i.e. Y-direction coordinate, and 24 pin coordinates are respectively:

L1W12、L1W14、L2W10、L2W16、L3W8、L3W18、L4W6、L4W20、L5W4、L5W22、L6W2、L6W24、L7W1、L7W23、L8W3、L8W21、L9W5、L9W19、L10W7、L10W17、L11W9、L11W15、L12W11、L12W13。

If 48 pin printheads are longitudinally 16 row, every row 2 ~ 4 pins; Be laterally 24 rows, every row 2 pins, the coordinate of every pin of 48 pins is LiWj, and wherein the i of Li represents the columns of pin from left to right, i.e. directions X coordinate; The j of Wj represents the row of pin from top to bottom, i.e. Y-direction coordinate, and the coordinate of 48 pins is respectively:

L1W12、L1W14、L2W10、L2W16、L3W8、L3W12、L3W14、L3W18、L4W6、L4W10、L4W16、L4W20；L5W4、L5W8、L5W18、L5W22、L6W2、L6W6、L6W20、L6W24、L7W4、L7W22、L8W2、L8W24、L9W1、L9W23、L10W3、L10W21、L11W1、L11W5、L11W19、L11W23、L12W3、L12W7、L12W17、L12W21；L13W5、L13W9、L13W15、L13W109、L14W7、L14W11、L14W13、L14W17、L15W9、L115W15、L16W11、L16W13。

Row's spacing of pin, the i.e. unit distance of Y coordinate: 1/180 inch

The column pitch of pin, the i.e. unit distance of X coordinate: (m+n)/180*m inch

Wherein 1) m, n are 0 natural number;

2) (m+n) can not be divided exactly by n;

3) 180*m is the highest design frequency of printhead;

4) (m+n) be prime number.

The invention has the beneficial effects as follows:

In print procedure, to go out pin minimum the same time, and in pin alignment processes, deflection is minimum, has so just guaranteed:

(1) in print procedure, peak power is minimum;

(2) in print procedure, peak noise is minimum;

(3) under equal conditions the inventive method is the longest service life the print needle life-span.

Accompanying drawing explanation:

Fig. 1 is that printhead 24 faller gills of the present invention list intention.

Fig. 2 is that printhead 48 faller gills of the present invention list intention.

The specific embodiment:

Environment-friendly type printhead goes out a pin aligning method, and this aligning method longitudinally has 12 row, every row at least 2 pins at least, laterally has 24 rows at least, every row's 1 pin.

If 24 pin printheads are longitudinally 12 row, every row 2 pins; Be laterally 24 rows, every row 1 pin,

48 pin printheads are longitudinally 16 row, every row 2 to 4 pins, horizontal 24 rows, every row 2 pins, and especially its row are apart from having adopted more rational computational methods with array pitch.

It is characterized in that:

In print procedure, once go out pin minimum;

The peak power that goes out stylus printer seal is minimum;

Peak noise while going out stylus printer seal is minimum.

Print needle impacts deflection minimum in process at printhead, thereby guarantees that the print needle life-span is longer.

When arranging spacing: in the time of 1/180 inch; Typical column pitch: (3+2)/180*3 inch, wherein 180*3 is the highest design frequency of printhead; Column pitch also can be 7/180*3 or 7/180*5 inch etc. and all can.

L1W12、L1W14、L2W10、L2W16、L3W8、L3W12、L3W14、L3W18、L4W6、L4W10、L4W16、L4W20；L5W4、L5W8、L5W18、L5W22、L6W2、L6W6、L6W20、L6W24、L7W4、L7W22、L8W2、L8W24、L9W1、L9W23、L10W3、L10W21、L11W1、L11W5、L11W19、L11W23、L12W3、L12W7、L12W17、L12W21；L13W5、L13W9、L13W15、L13W19、L14W7、L14W11、L14W13、L14W17、L15W9、L115W15、L16W11、L16W13。

For example: in Fig. 2, the coordinate of 48 pins represents with (LiWj), and wherein the L1 of LIW12, W12 are nominal value, and its tolerance is set as required.If set this pin coordinate L1W12 for (1.881 ,-0.071), all the other 23 pin coordinates can and reject setting value by row distance and infer.

Claims

1. environment-friendly type printhead goes out pin aligning method: the coordinate that it is characterized in that every pin of 24 pins in 24 pin printheads is a LiWj, and wherein the i of Li represents the columns of pin from left to right, i.e. directions X coordinate; The j of Wj represents the row of pin from top to bottom, i.e. Y-direction coordinate; The coordinate of every pin is respectively: L1W12, L1W14, L2W10, L2W16, L3W8, L3W18, L4W6, L4W20, L5W4, L5W22, L6W2, L6W24, L7W1, L7W23, L8W3, L8W21, L9W5, L9W19, L10W7, L10W17, L11W9, L11W15, L12W11, L12W13;

Row spacing, the i.e. unit distance of Y coordinate: 1/180 inch, column pitch, the i.e. unit distance of X coordinate: (m+n)/180*m inch;

Wherein 1) m, n are 0 natural number;

2) (m+n) can not be divided exactly by n;

3) 180*m is the highest design frequency of printhead;

4) (m+n) be prime number.

2. environment-friendly type printhead goes out pin aligning method: the coordinate that it is characterized in that every pin of 48 pins in 48 pin printheads is a LiWj, and wherein the i of Li represents the columns of pin from left to right, i.e. directions X coordinate; The j of Wj represents the row of pin from top to bottom, i.e. Y-direction coordinate; Printhead is longitudinally 16 row, every row 2 to 4 pins, horizontal 24 rows, every row 2 pins: the coordinate of every pin is respectively:

L1W12、L1W14、L2W10、L2W16、L3W8、L3W12、L3W14、L3W18、L4W6、L4W10、L4W16、L4W20；L5W4、L5W8、L5W18、L5W22、L6W2、L6W6、L6W20、L6W24、L7W4、L7W22、L8W2、L8W24、L9W1、L9W23、L10W3、L10W21、L11W1、L11W5、L11W19、L11W23、L12W3、L12W7、L12W17、L12W21；L13W5、L13W9、L13W15、?L13W19、L14W7、L14W11、L14W13、L14W17、L15W9、L115W15、L16W11、L16W13；

Row spacing, the i.e. unit distance of Y coordinate: 1/180 inch, column pitch, the i.e. unit distance of X coordinate: (m+n)/180*m inch; Wherein 1) m, n are 0 natural number;

2) (m+n) can not be divided exactly by n;

3) 180*m is the highest design frequency of printhead;

4) (m+n) be prime number.

3. environment-friendly type printhead according to claim 1 and 2 goes out pin aligning method, it is characterized in that arranging the unit distance that spacing is Y coordinate: 1/180 inch, and column pitch: 5/180*3,7/180*3 or 7/180*5 inch.