CN213973281U

CN213973281U - Printing trolley beam driving mechanism

Info

Publication number: CN213973281U
Application number: CN202021817127.XU
Authority: CN
Inventors: 杨广
Original assignee: Guangzhou Hanwen Printing Co ltd
Current assignee: Guangzhou Hanwen Printing Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-08-17
Anticipated expiration: 2030-08-27

Abstract

The utility model relates to a print dolly crossbeam actuating mechanism, include: the device comprises a supporting beam with a hollow channel, a movable guide rail arranged on the outer side of the supporting beam, a travel limit switch and a driving assembly. The supporting beam is provided with a strength plate, two ends of the strength plate are connected with the inner wall of the hollow channel, and the movable guide rail extends along the length direction of the supporting beam. The driving assembly comprises a first mounting seat, a second mounting seat, a driving motor, a lead screw sleeve, a transfer block and a switch contact arm, wherein the first mounting seat and the second mounting seat are mounted on the supporting beam, the driving motor is mounted on the first mounting seat, the lead screw is mounted on the first mounting seat and the second mounting seat, the lead screw sleeve is mounted on the lead screw, the transfer block is mounted on the lead screw sleeve, the switch contact arm is mounted on the transfer block, and the lead screw is connected with the driving motor and is arranged in parallel with the movable guide rail. This print dolly crossbeam actuating mechanism, the structure is retrencied, and driven stationarity is good, is convenient for improve print quality.

Description

Printing trolley beam driving mechanism

Technical Field

The utility model relates to a digital printing technology field especially relates to a print dolly crossbeam actuating mechanism.

Background

At present, a digital printer is a large-scale printer series product, is a common device in the advertising industry, and is mainly used for printing large-area advertising posters, such as various outdoor plate-shaped advertising boards. When the digital printers are used for printing the advertising board, the advertising board is firstly placed on the printing platform, then the printing trolley moves back and forth on the cross beam for printing, and the cross beam drives the printing trolley to step under the driving of the driving mechanism, so that the printing of the advertising board is completed. However, the existing driving mechanism is not simple enough in structure, high in manufacturing cost and poor in driving stability.

SUMMERY OF THE UTILITY MODEL

Therefore, the cross beam driving mechanism of the printing trolley is required to be provided for solving the problems of the cross beam driving mechanism, and has the advantages of simple structure and good driving stability.

A print carriage beam drive mechanism comprising: the device comprises a supporting beam with a hollow channel, a movable guide rail arranged on the outer side of the supporting beam, a travel limit switch and a driving assembly; the supporting beam is provided with a strength plate, and two ends of the strength plate are connected with the inner wall of the hollow channel; the moving guide rail extends along the length direction of the support beam; the driving assembly comprises a first mounting seat, a second mounting seat, a driving motor, a lead screw sleeve, a transfer block and a switch contact arm, wherein the first mounting seat and the second mounting seat are mounted on the supporting beam, the driving motor is mounted on the first mounting seat, the lead screw is mounted on the first mounting seat and the second mounting seat, the lead screw sleeve is mounted on the lead screw, the transfer block is mounted on the lead screw sleeve, the switch contact arm is mounted on the transfer block, and the lead screw is connected with the driving motor and is arranged in parallel with the movable guide rail.

When the printing trolley beam driving mechanism is used, the printing trolley is arranged on the beam, and two ends of the beam are respectively connected with one printing trolley beam driving mechanism. Because the supporting beam is provided with the hollow channel and the strength plate connected with the inner wall of the hollow channel, the supporting beam is made of less materials, has light weight and high supporting strength and has simple structure. Owing to be provided with the removal guide rail parallel with a supporting beam, the lead screw closely cooperates the transmission with the lead screw cover, and under driving motor's drive, the printing dolly of being connected with the switching piece can be along the accurate steady movement of removal guide rail, and it is effectual to print.

In one embodiment, the support beam is provided with a receiving channel, and the driving assembly is located in the receiving channel.

In one embodiment, the cross section of the support beam is arranged in an L shape.

In one embodiment, the end of the support beam is provided with a mounting notch.

In one embodiment, the support beam is provided with two limit strips perpendicular to the moving guide rail, and the limit strips are abutted against the end parts of the moving guide rail.

In one embodiment, an arch block is installed on the support beam and is connected with the travel limit switch.

In one embodiment, the switch trigger arm is provided with a guide part, and the guide part tilts upwards towards the direction close to the switching block.

In one embodiment, the first mounting seat is provided in a U shape.

In one embodiment, the second mounting seat is arranged in a T shape.

Drawings

Fig. 1 is a schematic view of a driving mechanism of a printing cart beam according to an embodiment of the present invention;

fig. 2 is a partial schematic view of the system shown in fig. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone.

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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only, and is for the purpose of illustration only, such as the terms "inner", "outer", "left", "right", and the like, and is not intended to be limiting of the invention.

Referring to fig. 1 and fig. 2, for the printing trolley beam driving mechanism 100 according to an embodiment of the present invention, the trolley beam driving mechanism 100 includes: the printing trolley comprises a support beam 20 with a hollow channel 21, a moving guide rail 30 installed on the outer side of the support beam 20, a travel limit switch 40 and a driving assembly 50, wherein the moving guide rail 30 extends along the length direction of the support beam 20, the moving guide rail 30 is used for receiving a cross beam installed with a printing trolley, and the driving assembly 50 is used for driving the cross beam to move on the moving guide rail 30 so as to drive the printing trolley to move.

The support beam 20 is provided with a strength plate 22, and both ends of the strength plate 22 are connected with the inner wall of the hollow channel 21, so that the strength of the whole support beam 20 is enhanced. Further, the support beam 20 is provided with an accommodating channel 23, the accommodating channel 23 extends along the length direction of the support beam 20, and the driving assembly 50 is located in the accommodating channel 23. The cross section of the support beam 20 is arranged in an L shape, the end part of the support beam 20 is provided with an installation notch 24, and the support beam 20 can be well installed on the rack through the installation notch 24. Furthermore, two limiting strips 25 perpendicular to the moving guide rail 30 are mounted on the support beam 20, and the limiting strips 25 are abutted against the end parts of the moving guide rail 30, so that derailment and slipping on the moving guide rail 30 can be avoided. Further, the support beam 20 is provided with an arch block 26, the arch block 26 is connected with a travel limit switch 40, and the travel limit switch 40 is positioned below the driving assembly 40.

The driving assembly 50 includes a first mounting seat 51 mounted on the support beam 20, a second mounting seat 52, a driving motor 53 mounted on the first mounting seat 51, a lead screw 54 mounted on the first mounting seat 51 and the second mounting seat 52, a lead screw sleeve 55 mounted on the lead screw 54, a transfer block 56 mounted on the lead screw sleeve 55, and a switch contact arm 57 mounted on the transfer block 56, wherein the lead screw 55 is connected with the driving motor 53 and arranged in parallel with the moving guide rail 30. When the connecting device is used, the connecting block 56 is connected with the end of the beam, the first mounting seat 51 is arranged in a U shape, the second mounting seat 52 is arranged in a T shape, and the distance between the first mounting seat 51 and the second mounting seat 52 is smaller than the length of the movable guide rail 30. Furthermore, the switch touch arm 57 is provided with a guide part 58, the guide part 58 is tilted upwards towards the direction close to the transfer block 56, and the guide part 58 can ensure that the switch touch arm 57 is flexibly abutted against the touch elastic sheet of the travel limit switch 40, so as to send out a control signal.

When the printing trolley beam driving mechanism 100 is used, the printing trolley is arranged on the beam, and two ends of the beam are respectively connected with one printing trolley beam driving mechanism 100. Since the support beam 20 has the hollow passage 21 and the strength plate 22 connected to the inner wall of the hollow passage 21, the material consumption is small, the weight is light, the support strength is high, and the structure is simple. Due to the fact that the moving guide rail 30 parallel to the supporting beam 20 is arranged, the screw rod 54 is in close fit transmission with the screw rod sleeve 55, the printing trolley connected with the switching block 56 can accurately and stably move along the moving guide rail 30 under the driving of the driving motor 53, and the printing effect is good.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A print carriage beam drive mechanism, comprising: the device comprises a supporting beam with a hollow channel, a movable guide rail arranged on the outer side of the supporting beam, a travel limit switch and a driving assembly; the supporting beam is provided with a strength plate, and two ends of the strength plate are connected with the inner wall of the hollow channel; the moving guide rail extends along the length direction of the support beam; the driving assembly comprises a first mounting seat, a second mounting seat, a driving motor, a lead screw sleeve, a transfer block and a switch contact arm, wherein the first mounting seat and the second mounting seat are mounted on the supporting beam, the driving motor is mounted on the first mounting seat, the lead screw is mounted on the first mounting seat and the second mounting seat, the lead screw sleeve is mounted on the lead screw, the transfer block is mounted on the lead screw sleeve, the switch contact arm is mounted on the transfer block, and the lead screw is connected with the driving motor and is arranged in parallel with the movable guide rail.

2. The carriage beam drive mechanism of claim 1 wherein the support beam defines a receiving channel and the drive assembly is disposed within the receiving channel.

3. The carriage beam drive mechanism of claim 2 wherein the support beam is L-shaped in cross-section.

4. The carriage beam drive mechanism of claim 2, wherein the ends of the support beam are provided with mounting notches.

5. The carriage beam driving mechanism as claimed in claim 1, wherein the support beam is provided with two limit strips perpendicular to the moving guide rail, and the limit strips are abutted against the end of the moving guide rail.

6. The carriage beam drive mechanism of claim 1 wherein an arch is mounted on the support beam and is connected to the travel limit switch.

7. The carriage cross-beam drive mechanism of claim 1, wherein the switch actuating arm is provided with a guide portion, and the guide portion is tilted upward in a direction approaching the transfer block.

8. The carriage beam drive mechanism of claim 1, wherein the first mount is U-shaped.

9. The carriage beam drive mechanism of claim 1, wherein the second mount is in a T-shape.