阅读说明：本技术 一种精密打印机 (Precision printer ) 是由 闫刚 丁正浩 李海洪 王敏 于 2019-10-15 设计创作，主要内容包括：本发明涉及打印机领域,尤其涉及一种精密打印机,其包括机壳、环形吸卡皮带、进纸通道除尘辊及打印头,除尘辊设于环形吸卡皮带的前方,其包括除尘主动转辊及除尘被动转辊,除尘辊的前方安装有卡片除尘传感器,卡片除尘传感器的前方铰装有打印头,打印头的下方安装有由打印电机驱动旋转的打印辊,打印电机的电机轴与除尘主动转辊的辊轴之间安装有相互啮合的传动齿轮,卡片除尘传感器的控制端与吸卡电机通过线缆连接,打印辊前后安装有前定位辊、后定位辊及定位传感器,定位传感器的控制端与打印电机通过线缆连接。本发明提供的装置结构简单,打印精度高,打印效果好,防止磨损打印辊或卡纸。(The invention relates to the field of printers, in particular to a precision printer which comprises a shell, an annular suction card belt, a paper feed channel dust removal roller and a printing head, wherein the dust removal roller is arranged in front of the annular suction card belt and comprises a dust removal driving roller and a dust removal driven roller, a card dust removal sensor is arranged in front of the dust removal roller, the printing head is hinged in front of the card dust removal sensor, a printing roller driven to rotate by a printing motor is arranged below the printing head, transmission gears meshed with each other are arranged between a motor shaft of the printing motor and a roller shaft of the dust removal driving roller, a control end of the card dust removal sensor is connected with the suction card motor through a cable, a front positioning roller, a rear positioning roller and a positioning sensor are arranged in front of and behind the printing roller, and a control end of the positioning sensor is. The device provided by the invention has the advantages of simple structure, high printing precision and good printing effect, and can prevent the printing roller from being worn or the paper from being jammed.)

1. A precision printer is characterized by comprising a shell, an annular suction card belt installed in the shell, a paper feed channel, a pair of dust rollers matched with each other and a printing head, wherein the annular suction card belt is driven by a suction card motor, the pair of dust rollers matched with each other are arranged in front of the annular suction card belt, the precision printer comprises a dust removal driving rotating roller positioned below the paper feed channel and a dust removal driven rotating roller positioned above the paper feed channel, a card dust removal sensor is installed in front of the dust rollers, the printing head is hinged in front of the card dust removal sensor, a printing roller driven to rotate by the printing motor is installed below the printing head, a transmission gear meshed with each other is installed between a motor shaft of the printing motor and a roller shaft of the dust removal driving rotating roller, a control end of the card dust removal sensor is connected with the printing motor through a cable, and a front positioning roller, a rear positioning roller and, the control end of the positioning sensor is connected with the printing motor through a cable.

2. The precision printer according to claim 1, wherein a dust-binding roller bracket is fixedly mounted on the paper feed path above the dust-removing driven rotating roller, the dust-binding roller bracket comprises a top plate and two side plates, longitudinal waist-shaped holes are respectively formed on the two side plates, and both ends of the dust-binding roller are clamped in the longitudinal waist-shaped holes and are fixedly connected with the top plate through elastic members.

3. The precision printer of claim 1 wherein the printhead is raised and lowered by a TPH closing motor.

4. The precision printer according to claim 1, wherein a ribbon mounting shaft and a ribbon recovery shaft are further mounted in the housing, the ribbon mounting shaft is driven by a ribbon motor, and a transmission gear meshed with each other is mounted between the ribbon mounting shaft and the ribbon recovery shaft.

5. The precision printer according to claim 1, wherein the head end of the paper feed channel is provided with a fixed baffle and a width adjusting baffle above the annular suction belt, the width adjusting baffle is arranged on the adjusting screw rod through a nut sleeve, the adjusting screw rod penetrates through the machine shell, and the end part of the adjusting screw rod is provided with an adjusting knob.

6. The precision printer of claim 1, wherein a pair of cooperating ejector rollers are mounted in front of the printhead, the ejector driver rollers being rotatably driven by the ejector motor.

7. The precision printer of claim 6, wherein the card exit sensor is mounted at the end of the paper feed path, and the control end of the card exit sensor is connected to the card exit motor via a cable.

8. The precision printer according to claim 1, wherein a card suction sensor is installed in front of the circular card suction belt, and a control end of the card suction sensor is connected to the card suction motor through a cable.

Technical Field

The invention relates to the field of printers, in particular to a precision printer.

Background

Printers have been widely used in various fields such as offices, industries, and businesses to print desired documents or other contents, and conventional printers are not precise and do not have a dust removing function, and cannot be applied to industrial fields requiring high printing precision.

Disclosure of Invention

The invention aims to solve the technical problem of providing a precision printer which has simple structure, high printing precision and good printing effect and prevents a printing roller or paper jam from being worn.

The invention is realized by the following technical scheme:

a precision printer comprises a machine shell, an annular suction belt arranged in the machine shell, a paper feed channel, a pair of mutually matched dust removing rollers and a printing head, the annular card suction belt is driven by a card suction motor, a pair of dust removing rollers which are mutually matched are arranged in front of the annular card suction belt, the dust removal sensor is installed in the front of the dust removal roller, a printing head is hinged to the front of the card dust removal sensor, a printing roller driven to rotate by a printing motor is installed below the printing head, transmission gears meshed with each other are installed between a motor shaft of the printing motor and a roller shaft of the dust removal active roller, a control end of the card dust removal sensor is connected with the printing motor through a cable, a front positioning roller, a rear positioning roller and a positioning sensor are installed around the printing roller, and a control end of the positioning sensor is connected with the printing motor through a cable.

Furthermore, a dust-binding roller support is fixedly arranged above the dust removal driven rotating roller on the paper feed channel, the dust-binding roller support comprises a top plate and two side plates, longitudinal waist-shaped holes are respectively formed in the two side plates, and two ends of the dust-binding roller are clamped in the longitudinal waist-shaped holes and are fixedly connected with the top plate through elastic pieces.

Further, the print head is raised and lowered by a TPH closing motor.

Further, still install carbon ribbon installation axle and carbon ribbon in the casing and retrieve the axle, the carbon ribbon installation axle is driven by the carbon ribbon motor, installs intermeshing's drive gear between carbon ribbon installation axle and the carbon ribbon recovery axle.

Further, a fixed baffle and a width adjusting baffle are installed above the annular suction clamp belt at the head end of the paper feed channel, the width adjusting baffle is installed on an adjusting screw rod through a nut sleeve, and the adjusting screw rod penetrates through the shell and the end part of the shell is provided with an adjusting knob.

Furthermore, a pair of card outlet rollers which are matched with each other is arranged in front of the printing head, and the card outlet driving roller is driven by a card outlet motor to rotate.

Furthermore, the tail end of the paper feeding channel is provided with a card outlet sensor, and the control end of the card outlet sensor is connected with a card outlet motor through a cable.

Furthermore, a card suction sensor is arranged in front of the annular card suction belt, and the control end of the card suction sensor is connected with a card suction motor through a cable.

The invention has the advantages of

According to the precision printer protected by the invention, the pair of dust removing rollers which are matched with each other are arranged in front of the annular card sucking belt, when the printing card is conveyed between the pair of dust removing rollers which are matched with each other through the annular card sucking belt, the dust removing driving roller rotates to convey the card forwards, and meanwhile, the dust removing driven roller can adsorb dust on the card onto the dust removing driven roller, so that the printing effect is prevented from being influenced by too much dust on the card, and the printing roller is prevented from being abraded or jamming phenomenon is prevented.

Install intermeshing's drive gear between the roller of printing motor's motor shaft and dust removal initiative commentaries on classics roller, not only guarantee the synchronism of the two, and through gear drive, transmission precision and transmission stability can be guaranteed, guarantee the accuracy control of printing, card dust removal sensor is installed in the place ahead of dust removal roller simultaneously, the control end of card dust removal sensor passes through the cable with printing motor and is connected, when card dust removal sensor detects the dust on the card more, can control printing motor shut down, remind the manual work to print the card with dust clean up or reinstallation on the card, further control prints the effect, prevent that printing device wearing and tearing or card paper phenomenon from taking place.

The front positioning roller, the rear positioning roller and the positioning sensor are installed in the front of and behind the printing roller, the control end of the positioning sensor is connected with the printing motor through a cable, the printing position of the card can be accurately controlled, and the precision degree of the printer is further improved.

Drawings

FIG. 1 is a schematic front view of the present invention;

in the figure, 1, a machine shell, 2, a width adjusting baffle, 3, an adjusting screw rod, 4, an adjusting knob, 5, a card sucking motor, 6, an annular card sucking belt, 7, a card sucking sensor, 8, a paper feeding channel, 9, a dust removal driving rotating roller, 10, a card dust removal sensor, 11, a positioning sensor, 12, a printing motor, 13, a front positioning roller, 14, a card discharging motor, 15, a card discharging sensor, 16, a card discharging driving roller, 17, a carbon belt motor, 18, a carbon belt mounting shaft, 19, a TPH closing motor, 20, a carbon belt recovery shaft, 21, a printing head, 22, a printing roller, 23, a rear positioning roller, 24, a dust sticking roller and 25, a dust removal driven rotating roller are arranged.

Detailed Description

A precision printer comprises a shell 1, an annular suction card belt 6, a paper feed channel 8, a pair of dust removal rollers matched with each other and a printing head 21, wherein the annular suction card belt is driven by a suction card motor 5, the pair of dust removal rollers matched with each other are arranged in the front of the annular suction card belt, the precision printer comprises a dust removal driving rotating roller 9 positioned below the paper feed channel and a dust removal driven rotating roller 25 positioned above the paper feed channel, a card dust removal sensor 10 is arranged in the front of the dust removal rollers, the printing head is hinged in the front of the card dust removal sensor, a printing roller 22 driven to rotate by a printing motor 12 is arranged below the printing head, transmission gears (not shown) meshed with each other are arranged between a motor shaft of the printing motor and a roller shaft of the dust removal driving rotating roller, a control end of the card dust removal sensor is connected with the printing motor through a cable, and front positioning, Rear positioning roller 23 and positioning sensor 11, the control end of positioning sensor passes through the cable with print motor and is connected.

Further, there is a dust-binding roller support (not shown) fixed mounting in the top of the passive roller that changes that removes dust on the paper feed passageway, the dust-binding roller support includes roof and both sides board, vertical waist type hole has been seted up on the board of both sides respectively, the both ends of dust-binding roller 24 clamp in vertical waist type hole department and through elastic component and roof fixed connection, the dust that adsorbs on the passive roller that changes that removes dust can in time be siphoned away by the dust-binding roller, prevent the adhesion that falls once more on the card paper, and because the position of dust-binding roller for the passive roller that changes that removes dust can automatically regulated.

Further, the print head is driven to lift up and down by the TPH closing motor 19, and the control precision of the print head is further improved.

Further, still install carbon ribbon installation axle 18 and carbon ribbon in the casing and retrieve axle 20, the carbon ribbon installation axle is driven by carbon ribbon motor 17, install intermeshing's drive gear (not shown) between carbon ribbon installation axle and the carbon ribbon recovery axle, can install the carbon ribbon on the carbon ribbon installation axle, when printing the card and not having the heat-sensitive function, lay the top of printing the card with the carbon ribbon and print, and retrieve simultaneously, install intermeshing's drive gear between carbon ribbon installation axle and the carbon ribbon recovery axle, carbon ribbon installation axle and carbon ribbon recovery axle are through a carbon ribbon motor drive, can realize that synchronous operation and transmission are more accurate.

Further, a fixed baffle (not shown) and a width adjusting baffle 2 are installed above the annular card sucking belt at the head end of the paper feeding channel, the width adjusting baffle is installed on an adjusting screw rod 3 through a nut sleeve, the adjusting screw rod penetrates through the shell and the end part of the shell to be provided with an adjusting knob 4, and the width adjusting baffle can move back and forth along the adjusting screw rod by rotating the adjusting knob, so that the width adjusting baffle is suitable for certain width of a printed card.

Furthermore, a pair of card-out rollers which are matched with each other is arranged in front of the printing head, the card-out driving roller 16 is driven by the card-out motor 14 to rotate, and after printing is finished, the printed card is sent out of the shell by the card-out rollers.

Further, the card sensor 15 is installed out to the end of paper feed passageway, the control end that goes out the card sensor passes through the cable and is connected with a play card motor, after printing finishes, the front end that prints the card is located a card sensor department, goes out card sensor and senses to beat and controls a play card motor action and send out the card behind the printing paper, after the card rear end passes a card sensor, go out card sensor response when not having the card, control a play card motor stop motion, further realize accurate control.

Further, the place ahead that the card belt was inhaled to the annular is installed and is inhaled card sensor 7, inhales the control end of card sensor and inhales the card motor and pass through the cable and be connected, when inhaling the card sensor and sensing when having the card to convey, will control and inhale the action of card motor, drive the annular and inhale card belt operation and convey the card forward, after the card rear end passes inhales the card sensor, inhale the card sensor response and can not have the card when needing the conveying, will control and inhale the card motor and stop the action, realize automatic precision control.

According to the precision printer protected by the invention, the pair of dust removing rollers which are matched with each other are arranged in front of the annular suction card belt, when the printing card is conveyed between the pair of dust removing rollers which are matched with each other through the annular suction card belt, the dust removing driving roller rotates to convey the card forwards, and meanwhile, the dust removing driven roller can adsorb dust on the card onto the dust removing driven roller, so that the printing effect is prevented from being influenced by too much dust on the card, and the printing roller is prevented from being abraded or jamming phenomenon is prevented.

Install intermeshing's drive gear between the roller of printing motor's motor shaft and dust removal initiative commentaries on classics roller, not only guarantee the synchronism of the two, and through gear drive, transmission precision and transmission stability can be guaranteed, guarantee the accuracy control of printing, card dust removal sensor is installed in the place ahead of dust removal roller simultaneously, the control end of card dust removal sensor passes through the cable with printing motor and is connected, when card dust removal sensor detects the dust on the card more, can control printing motor shut down, remind the manual work to print the card with dust clean up or reinstallation on the card, further control prints the effect, prevent that printing device wearing and tearing or card paper phenomenon from taking place.

The front positioning roller, the rear positioning roller and the positioning sensor are installed in the front of and behind the printing roller, the control end of the positioning sensor is connected with the printing motor through a cable, the printing position of the card can be accurately controlled, and the precision degree of the printer is further improved.

To sum up, the precision printer that this application protected, simple structure prints the precision height, prints effectually, prevents wearing and tearing print roller or card paper.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.