CN111421971A

CN111421971A - Printing head gap adjusting device with top screw motor

Info

Publication number: CN111421971A
Application number: CN201911425014.7A
Authority: CN
Inventors: 周德林
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-17

Abstract

The present disclosure relates to a print head gap adjusting device with a top screw motor, which is used for solving the gap adjusting problem between a print head assembly and a print medium in the related art. The screw motor and the nut are respectively fixed on the printing head body and the sliding frame, the printing head assembly is installed on the sliding frame, the printing head assembly (comprising the nozzle) moves by driving the screw motor, and the distance between the nozzle and the printing medium is adjusted. The printing head and the printing method and device meet the problem of adjusting the gap between the printing head and the printing medium, and improve user experience.

Description

Printing head gap adjusting device with top screw motor

Technical Field

The invention belongs to the technical field of printing, particularly relates to an intelligent printing technology, and relates to a printing head gap adjusting device in a printer.

Background

In the prior art, the structure of the printing head in the printer is simple, and the gap between the printing head and the printing medium needs to be manually judged or adjusted in advance. Not only can cause the waste of materials, but also takes trouble, wastes time and labor, has high requirement on the skill quality of printing personnel, and increases the labor cost, the time cost and the material cost. There is therefore a need for an effective solution to address the above-mentioned problems.

Disclosure of Invention

The invention provides a printing head gap adjusting device with a top screw motor, which can adjust a printing head within a working range according to gap data of a printing head assembly and a printing medium without manual judgment or adjustment in advance, saves labor cost, material cost and time cost, and improves user experience.

The technical scheme of the invention is as follows: a printing head gap adjusting device with a top screw motor comprises a printing head body, a screw, a nut, a slideway, a motor, a sliding frame, a printing head assembly and the like. The print head assembly includes nozzles and ink reservoirs.

Furthermore, the invention is characterized in that:

the screw and the motor form a screw motor. The shaft of the motor is driven to rotate clockwise or anticlockwise through the driving of the motor driving circuit, and the screw rod rotates clockwise or anticlockwise.

Further, the nut is fixed against rotation. The screw can rotate clockwise or counterclockwise in the nut, so that the distance between the motor and the nut is increased or decreased.

Further, the slide way may be a part of the print head body, or may be a separate slide way mounted on the print head body, on which the carriage may slide.

Further, a screw motor (comprising a screw and a motor) and a nut are respectively fixed on the printing head body and the sliding frame. The shaft of the motor rotates clockwise or anticlockwise, the distance between the motor and the nut is increased or decreased, and the sliding frame is driven to move on the sliding rail.

Further, the printhead assembly is mounted on the carriage, including also being mounted inside the carriage. The carriage drives the printing head assembly to move up and down. So that the gap between the nozzles on the printhead assembly and the print medium can be adjusted.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the printer automatically adjusts the gap according to the gap data of the printing head and the printing medium instead of the existing method of manually judging or adjusting in advance, so that the labor cost, the time cost and the material cost are saved, and the user experience is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. The same numbers in different drawings identify the same or similar elements unless otherwise indicated.

FIG. 1 is a schematic diagram illustrating a first printhead gap adjustment apparatus with a top screw motor according to an exemplary embodiment;

FIG. 2 is a schematic structural diagram of a second print head gap adjustment apparatus with a top screw motor according to an exemplary embodiment;

FIG. 3 is a side view of a printhead gap adjustment device with a top screw motor shown in accordance with an exemplary embodiment.

In the figure: 102. a printhead body; 104. a printhead body top; 106. a screw; 108. a nut; 110. a slideway; 112. a motor; 114. a carriage; 116. a printhead assembly; 118. a nozzle; 120. a print medium.

Detailed Description

The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims. It should be noted that the embodiments and features of the embodiments may be interchanged, combined, or separated without conflict.

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings.

The invention provides a printing head gap adjusting device with a top screw motor, which comprises a printing head body 102, a screw 106, a nut 108, a slide way 110, a motor 112, a sliding frame 114, a printing head assembly 116 and the like, as shown in fig. 1 and 2.

Printhead assembly 116 can be any known printhead assembly and can be adapted for use with the present invention. Further description of these features is omitted herein and is described by way of example only for an inkjet printhead assembly. The inkjet printhead assembly includes nozzles 118, ink reservoirs, and the like.

Fig. 1 and 2 are plan sectional views of fig. 3 taken along a plane perpendicular to the nozzle side surface of the printhead body (the sectional position passes through point A, B, C).

Preferably, in this embodiment, the print head gap adjusting device with the top screw motor is mounted on the print head body 102, and also includes being mounted inside the print head body 102.

Preferably, as shown in fig. 1 and 3, in the present embodiment, the screw 106 is integrated with the motor 112, and the screw 106 is an extension of the shaft of the motor 112. If the screw 106 is not integrated with the motor 112, the screw 106 is connected with the shaft of the motor 112 by a coupling, welding, or the like. The screw 106 and the motor 112 constitute a screw motor.

Preferably, as shown in fig. 1 and 3, in this embodiment, the slide 110 may be a part of the print head body 102, or a separate slide 110 may be mounted on the print head body 102.

Preferably, as shown in fig. 1 and 3, in the present embodiment, the printhead assembly 116 is mounted on the carriage 114, and also includes being mounted inside the carriage 114.

Preferably, as shown in fig. 1 and 3, in the present embodiment, the carriage 114 slides on the slide rail 110.

Preferably, as shown in fig. 1 and 3, in the present embodiment, the screw 106 and the motor 112 constitute a screw motor installed on the top of the carriage 114. The nut 108 is encapsulated on the printhead body 102.

Preferably, as shown in fig. 1 and 3, in the present embodiment, the motor 112 is driven by the motor driving circuit to rotate clockwise or counterclockwise, and the screw 106 rotates clockwise or counterclockwise. The screw 106 rotates in the nut 108, so that the distance between the motor 112 and the nut 108 increases or decreases, the motor 112 drives the carriage 114 to move up and down, and the carriage 114 drives the print head assembly 116 to move up and down. Allowing the gap between nozzles 118 on printhead assembly 116 and print media 120 to be adjusted.

As shown in fig. 2, the second print head gap adjusting device with the top screw motor has a similar principle to the first print head gap adjusting device with the top screw motor.

Preferably, as shown in fig. 2 and 3, in the present embodiment, the screw 106 is integrated with the motor 112, and the screw 106 is an extension of the shaft of the motor 112. If the screw 106 is not integral with the motor 112, the screw 106 and the motor 112 are coupled together by a shaft coupling, welding, or the like. The screw 106 and the motor 112 form a screw motor.

Preferably, as shown in fig. 2 and 3, in this embodiment, the slide 110 may be a part of the print head body 102, or a separate slide 110 may be mounted on the print head body 102.

Preferably, as shown in fig. 2 and 3, in the present embodiment, the printhead assembly 116 is mounted on the carriage 114, and also includes being mounted inside the carriage 114.

Preferably, as shown in fig. 2 and 3, in the present embodiment, the carriage 114 slides on the slide rail 110.

Preferably, as shown in fig. 2 and 3, in this embodiment, the nut 108 is encapsulated on the carriage 114. The screw 106 and the motor 112 constitute a screw motor mounted at the lower end of the printhead top 104.

Preferably, as shown in fig. 2 and 3, in the present embodiment, the motor 112 is driven by the motor driving circuit to rotate clockwise or counterclockwise, and the screw 106 rotates clockwise or counterclockwise. The screw 106 rotates in the nut 108, so that the distance between the motor 112 and the nut 108 increases or decreases, the motor 112 drives the carriage 114 to move up and down, and the carriage 114 drives the print head assembly 116 to move up and down. Allowing the gap between nozzles 118 on printhead assembly 116 and print media 120 to be adjusted.

The first printing head gap adjusting device with the top screw motor and the second printing head gap adjusting device with the top screw motor are different in that: one is that the screw 106 and the motor 112 constitute a screw motor mounted at different positions. As shown in FIG. 1, in the first device, a screw 106 and a motor 112 form a screw motor which is arranged on the top of a sliding frame 114; as shown in FIG. 2, the screw 106 and the motor 112 of the second device form a screw motor installed at the lower end of the top 104 of the print head body. Secondly, the nut 108 is installed at a different position. As shown in fig. 1, in a first embodiment, the nut 108 is encapsulated on the printhead housing 102; as shown in fig. 2, the second device nut 108 is enclosed on a carriage 114.

The invention discloses a printing head gap adjusting device with a top screw motor. The print head assembly includes nozzles and ink reservoirs. The gap between the nozzle on the printing head assembly and the printing medium can be adjusted to a working range through the movement of the motor driving sliding frame, manual advance judgment or | and adjustment are not needed, labor cost, material cost and time cost are saved, and user experience is improved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A printing head gap adjusting device with a top screw motor is characterized by comprising a printing head body (102), a screw (106), a nut (108), a slide way (110), a motor (112), a sliding frame (114), a printing head assembly (116) and the like, wherein the printing head assembly (116) comprises a nozzle, an ink bin and the like.

2. The print head gap adjustment apparatus with top screw motor of claim 1 mounted on the print head body (102) also includes mounting inside the print head body (102).

3. The print head gap adjustment apparatus with the top screw motor according to claim 1, wherein the screw (106) is integrated with the motor (112), the screw (106) is an extension of the shaft of the motor (112), if the screw (106) is not integrated with the motor (112), the screw (106) and the motor (112) can be connected together by coupling, welding or the like, and the screw (106) and the motor (112) constitute a screw motor.

4. The print head gap adjustment apparatus with top screw motor according to claim 1, wherein the slide (110) may be a part of the print head body (102) or a separate slide (110) is mounted on the print head body (102).

5. The top screw motor printhead gap adjustment apparatus of claim 1, wherein the carriage (114) slides on a slide (110).

6. The top screw motor printhead gap adjustment apparatus of claim 1, wherein the printhead assembly (116) is mounted on the carriage (114) and also includes being mounted inside the carriage (114).

7. The print head gap adjusting apparatus with the top screw motor according to claim 1, wherein the screw motor (including the screw (106), the motor (112)) and the nut (108) are respectively fixed on the print head body (102) and the carriage (114), the nut (108) is fixed and non-rotatable, and the screw (106) can rotate clockwise or counterclockwise in the nut (108).

8. The method according to claim 2, 7, wherein the shaft of the motor (112) is rotated clockwise or counter-clockwise, the screw (106) following the clockwise or counter-clockwise rotation increasing or decreasing the distance of the motor (112) from the nut (108).

9. The print head gap adjusting apparatus with the top screw motor according to claim 1, wherein the screw motor (including the screw (106) and the motor (112)) and the nut (108)) are fixed to the print head body (102) and the carriage (114), respectively, to move the carriage (114) up and down.

10. A method according to claim 4, 5, 6, 9, wherein the carriage (114) is moved up and down so that the printhead assembly (116) is moved up and down and the gap between the nozzles (118) on the printhead assembly (116) and the print medium is adjusted.