CN215321530U

CN215321530U - X-axis transmission device of printing trolley

Info

Publication number: CN215321530U
Application number: CN202120869293.2U
Authority: CN
Inventors: 单健; 闫峂; 王家远
Original assignee: Beijing Yuande Electric Science And Technology LLC
Current assignee: Beijing Yuande Electric Science And Technology LLC
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-12-28
Anticipated expiration: 2031-04-26

Abstract

The utility model relates to an X-axis transmission device of a printing trolley, which comprises a main frame, a trolley supporting plate and a transmission control device, wherein the trolley supporting plate is positioned above the main frame and can move relative to the main frame; a guide device is arranged between the main frame and the trolley supporting plate; the transmission control device comprises an anti-collision device arranged at the movement stroke limit position of the trolley supporting plate on the first side plate or the second side plate. The utility model has the advantages of ingenious structural design, compact structure, high printing efficiency, high automation degree and high safety.

Description

X-axis transmission device of printing trolley

Technical Field

The utility model relates to the technical field of ink-jet printing, in particular to an X-axis transmission device of a printing trolley.

Background

The printing carriage of the prior art inkjet printing device generally adopts a cantilever structure, and prints images or characters by ejecting ink droplets onto a printing medium by scanning back and forth on a cross beam inside the device.

For example, the chinese patent CN111376615A discloses a cantilever beam type printing trolley for structure, which comprises a nozzle bottom plate, a secondary ink box fixing support, a negative pressure system mounting support and a circuit board mounting plate, wherein the circuit board mounting plate is a rear circuit board mounting plate and is mounted at the rear end of the nozzle trolley for fixing and mounting a nozzle control plate. Above-mentioned negative pressure system installation support among the prior art installs in the cantilever beam top, and the shower nozzle bottom plate is located print platform's top.

Further, as disclosed in chinese patent CN105073427B, an inkjet printing apparatus includes a support, a printing carriage, and a control system, wherein the support is used for mounting the printing carriage, the support is provided with a first driving mechanism, the first driving mechanism is used for driving the printing carriage to move back and forth along a second direction perpendicular to the guide rail beam, and the support moves left and right along a first direction parallel to the guide rail beam at a substantially constant speed; at least one printing head is arranged on the printing trolley; the control system is used for controlling the work of the support, the printing trolley and the printing head, the printing trolley is arranged on the guide rail beam by arranging the support with the driving mechanism, the support moves along the direction of the guide rail beam so as to drive the printing trolley to move along the guide rail beam, and the driving mechanism arranged on the support drives the printing trolley to move relatively along the direction vertical to the guide rail beam.

In the prior art, the transverse scanning direction of the printing trolley is taken as an X axis, the longitudinal stepping direction of the printing trolley is taken as a Y axis, and as the printing medium tends to large-format production more and more, when image-text jet printing is carried out on the large-format printing medium, a large number of spray heads are required to be arranged to carry out printing simultaneously in order to improve the working efficiency of the ink-jet printing equipment, however, the installation and transmission mode of the existing printing trolley needs to multiply increase the number of the spray heads and lengthen a trolley cantilever, the structural span of the trolley becomes larger and the weight also increases, so that the stress of the cantilever becomes heavier, the running stability of the printing trolley is greatly reduced, the printing requirement cannot be well met, and the precision splicing between the spray head installation and the spray heads also becomes a great difficult problem; when printing apparatus prints or produces line printing apparatus for the multistation, then require the shared size of every station to reduce as far as possible to shorten the area of whole production line, and print module part Y and add the shower nozzle bottom plate size to the size that occupies for the size of cantilever beam, the size of cantilever beam is inevitable all the time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an X-axis transmission device of a printing trolley, which aims to solve the defects in the prior art, and the technical problem to be solved by the utility model is realized by the following technical scheme.

The X-axis transmission device of the printing trolley comprises a main frame, a trolley supporting plate which is positioned above the main frame and can move relative to the main frame, and a transmission control device which controls the movement and the movement position of the trolley supporting plate relative to the main frame, wherein the main frame comprises a first side plate and a second side plate which are positioned on two sides, and a supporting beam positioned between the first side plate and the second side plate.

Preferably, a guide device is arranged between the main frame and the trolley supporting plate.

Preferably, the guide device comprises a guide rail arranged above the first side plate and the second side plate and a sliding block arranged below the trolley supporting plate, and the guide rail is connected with the sliding block in a matching manner.

Preferably, the transmission control device comprises a linear motor stator arranged on the side surface of the first side plate or the second side plate, and a linear motor rotor arranged on one side of the trolley supporting plate and matched with the linear motor stator.

Preferably, the transmission control device further comprises a position detection device for detecting the movement position of the trolley supporting plate.

Preferably, the position detection device comprises a magnetic grid arranged on the side surface of the first side plate or the second side plate and a magnetic grid reading head arranged on the trolley supporting plate.

Preferably, the transmission control means includes a safety stroke control means for defining a stroke start position and a stroke end position of the carriage support plate.

Preferably, the safety stroke control device comprises a position sensor, and a sensor baffle matched with the position sensor is installed on the trolley supporting plate.

Preferably, the transmission control device comprises an anti-collision device arranged at the movement stroke limit position of the trolley supporting plate on the first side plate or the second side plate, and the anti-collision device comprises an anti-collision block and a buffer piece arranged on the anti-collision block and facing the trolley supporting plate.

Preferably, a drag chain support is arranged on the side of the first side plate and/or the second side plate.

According to the X-axis transmission device of the printing trolley, the nozzle bottom plate and the printing nozzle are installed in the printing trolley, the printing trolley is installed in the trolley supporting plate, the trolley supporting plate is erected on the first side plate and the second side plate, the trolley supporting plate is driven to move along the X axis through the transmission control device, namely, the printing trolley is driven to move along the X axis, and the structure of the double-side-plate clamping trolley is compact in structure, so that the size of the printing module along the Y direction is closest to the size of the nozzle bottom plate, namely when the size of the printing module along the Y direction is fixed, the structure can enable the number of the printing nozzles contained in the printing trolley to be the largest, and therefore the printing efficiency can be improved to the maximum extent; the arrangement of the guide device enables the printing trolley to run more stably; the linear motor has the advantages of simple structure, high positioning precision, high reaction speed, high sensitivity, good follow-up property, safe and reliable work, long service life and the like, the control precision can be well ensured by adopting the linear motor to drive the printing trolley to move along the X axis, and the thickness of the transmission control device can be minimized by adopting the linear motor to drive based on the structure of the double side plates, so the optimal transmission scheme based on the structure of the double side plates is undoubtedly adopted; the arrangement of the position detection device and the safety travel control device ensures that the transmission control is more automatic and intelligent; the safety protection function can be further strengthened in the setting of buffer stop.

In conclusion, the X-axis transmission device of the printing trolley provided by the utility model is ingenious in structural design, and has the beneficial effects of compact structure, high printing efficiency, high automation degree and high safety.

Drawings

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

FIG. 2 is a rear view of the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic view of the structure of the partial view C in FIG. 3;

FIG. 5 is a schematic view of the structure of the partial view A in FIG. 3;

FIG. 6 is a schematic view of the structure of the partial view B in FIG. 3;

the reference numbers in the drawings are, in order: 1. the device comprises a main frame, 11, a first side plate, 12, a second side plate, 13, a drag chain support, 2, a trolley support plate, 3, a guide rail, 4, a sliding block, 5, a linear motor stator, 6, a linear motor rotor, 7, a position detection device, 71, a magnetic grid, 72, a magnetic grid reading head, 73, a sensor blocking sheet, 74, a position sensor, 8, an anti-collision device, 81, a buffer piece, 82 and an anti-collision block.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1:

referring to fig. 1, the improvement of an X-axis transmission device of a printing trolley is as follows: the trolley comprises a main frame 1, a trolley supporting plate 2 which is positioned above the main frame 1 and can move relative to the main frame 1, and a transmission control device for controlling the movement and the movement position of the trolley supporting plate 2 relative to the main frame 1, wherein the main frame 1 comprises a first side plate 11 and a second side plate 12 which are positioned on two sides, and a supporting beam positioned between the first side plate 11 and the second side plate 12.

In the embodiment, the printing trolley is internally provided with the nozzle bottom plate and the printing nozzle, the printing trolley is arranged in the trolley supporting plate 2, the trolley supporting plate 2 is erected on the first side plate 11 and the second side plate 12, and the trolley supporting plate 2 is driven to move along the X axis through the transmission control device, namely, the printing trolley is driven to move along the X axis; and when the quantity of shower nozzles is too much, the supporting action of the structure of two curb plates is also superior to single cantilever structure for it is higher to print dolly motion stability, thereby improves the comprehensive effect of printing.

Furthermore, a guide device is arranged between the main frame 1 and the trolley supporting plate 2, so that the printing trolley can run more stably.

Further, referring to fig. 2 and 3, the guiding device includes a guide rail 3 mounted above the first side plate 11 and the second side plate 12, and a slider 4 mounted below the cart supporting plate 2, wherein the guide rail 3 and the slider 4 are connected in a matching manner.

Further, a tow chain bracket 13 is arranged on the side of the first side plate 11 and/or the second side plate 12. Further, the tow chain bracket 13 is integrally formed with the main frame 1. The integrated structure can reduce the assembly process and save the labor cost.

Example 2:

on the basis of the embodiment 1, referring to fig. 2, the transmission control device includes a linear motor stator 5 installed on a side surface of the first side plate 11 or the second side plate 12, and a linear motor mover 6 installed on one side of the cart support plate 2 and cooperating with the linear motor stator 5.

In the embodiment, the linear motor has the advantages of simple structure, high positioning precision, high reaction speed, high sensitivity, good follow-up property, safe and reliable work, long service life and the like, the printing trolley is driven by the linear motor to move along the X axis, the control precision can be well ensured, and based on the structure of the double side plates, the thickness of the transmission control device can be minimized by driving the linear motor, so that the optimal transmission scheme based on the double side plate structure is undoubtedly realized.

Further, the transmission control device also comprises a position detection device 7 for detecting the movement position of the trolley supporting plate 2.

Further, referring to fig. 3 and 4, the position detecting device 7 includes a magnetic scale 71 mounted on the side of the first side plate 11 or the second side plate 12 and a magnetic scale reading head 72 mounted on the carriage support plate 2. The magnetic grid 71 has the characteristics of high detection precision, high hardness and wear resistance and low possibility of being influenced by external temperature and humidity, and can ensure the position detection precision.

Further, the transmission control means includes a safety stroke control means for defining a stroke start position and a stroke end position of the carriage support plate 2.

Further, referring to fig. 5, the safety stroke control device includes a position sensor 74, a sensor catch 73 matched with the position sensor 74 is installed on the carriage support plate 2, and when the sensor catch 73 reaches the position of the position sensor 74, the sensor transmits a signal to the linear motor, so that the movement of the printing carriage is stopped, and the movement of the printing carriage along the X axis is ensured within the safety stroke range.

Example 3:

on the basis of the embodiment 1 or 2, referring to fig. 6, the transmission control device includes the anti-collision device 8 disposed at the movement stroke limit position of the cart support plate 2 on the first side plate 11 or the second side plate 12, and the anti-collision device 8 includes an anti-collision block 82 and a buffer member 81 mounted on the anti-collision block 82 and facing the cart support plate 2.

In this embodiment, after the printing trolley exceeds the safety travel range due to the failure or invalidation of the safety travel control device, the anti-collision device arranged at the extreme position can further enhance the safety protection function, the buffer member 81 buffers the movement of the printing trolley and reduces the speed of the trolley, and the anti-collision block 82 further plays a role in blocking, so that the speed of the trolley is reduced to the minimum, and the safety result caused by the trolley running out of control is reduced to the minimum.

It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or otherwise described herein.

Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may also be oriented in other different ways, such as by rotating it 90 degrees or at other orientations, and the spatially relative descriptors used herein interpreted accordingly.

In the foregoing detailed description, reference is made to the accompanying drawings, which form a part hereof. In the drawings, like numerals typically identify like components, unless context dictates otherwise. The illustrated embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented here.

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.

Claims

1. The utility model provides a print dolly X axle transmission which characterized in that: the trolley comprises a main frame (1), a trolley supporting plate (2) which is positioned above the main frame (1) and can move relative to the main frame (1), and a transmission control device for controlling the movement and the movement position of the trolley supporting plate (2) relative to the main frame (1), wherein the main frame (1) comprises a first side plate (11) and a second side plate (12) which are positioned on two sides, and a supporting beam positioned between the first side plate (11) and the second side plate (12).

2. The printing carriage X-axis drive as recited in claim 1, further comprising: and a guide device is arranged between the main frame (1) and the trolley supporting plate (2).

3. The printing carriage X-axis drive as recited in claim 2, further comprising: the guide device comprises a guide rail (3) arranged above the first side plate (11) and the second side plate (12) and a sliding block (4) arranged below the trolley supporting plate (2), and the guide rail (3) and the sliding block (4) are connected in a matched mode.

4. The printing carriage X-axis drive as recited in claim 1, further comprising: the transmission control device comprises a linear motor stator (5) arranged on the side surface of the first side plate (11) or the second side plate (12) and a linear motor rotor (6) arranged on one side of the trolley supporting plate (2) and matched with the linear motor stator (5).

5. The printing carriage X-axis drive as recited in claim 4, further comprising: the transmission control device also comprises a position detection device (7) for detecting the movement position of the trolley supporting plate (2).

6. The printing carriage X-axis drive as recited in claim 5, further comprising: the position detection device (7) comprises a magnetic grid (71) arranged on the side surface of the first side plate (11) or the second side plate (12) and a magnetic grid reading head (72) arranged on the trolley supporting plate (2).

7. The printing carriage X-axis drive as recited in claim 1, further comprising: the transmission control device comprises a safety stroke control device for limiting the stroke starting position and the stroke end position of the trolley supporting plate (2).

8. The printing carriage X-axis drive as recited in claim 7, further comprising: the safety stroke control device comprises a position sensor (74), and a sensor baffle (73) matched with the position sensor (74) is installed on the trolley supporting plate (2).

9. The printing carriage X-axis drive as recited in claim 1, further comprising: the transmission control device comprises an anti-collision device (8) which is arranged at the movement stroke limit position of the trolley supporting plate (2) on the first side plate (11) or the second side plate (12), wherein the anti-collision device (8) comprises an anti-collision block (82), and a buffer member (81) which is arranged on the anti-collision block (82) and faces towards the trolley supporting plate (2).

10. A printing carriage X-axis drive as claimed in any one of claims 1 to 9, wherein: and a drag chain support (13) is arranged on the side of the first side plate (11) and/or the second side plate (12).