CN213505038U

CN213505038U - Vacuum adsorption box mechanism

Info

Publication number: CN213505038U
Application number: CN202021817431.4U
Authority: CN
Inventors: 彭雨恒; 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: 2021-06-22
Anticipated expiration: 2030-08-27

Abstract

The utility model relates to a vacuum adsorption case mechanism for install the vacuum adsorption belt, vacuum adsorption case mechanism includes: the bottom plate, two shunt tubes symmetrically arranged on the top surface of the bottom plate, two end plates symmetrically arranged on two ends of the bottom plate, a plurality of adapter tube assemblies arranged on the shunt tubes, and a plurality of lap plates arranged on the bottom surface of the bottom plate, wherein a vacuum cavity is formed among the bottom plate, the shunt tubes and the end plates. The shunt tubes are provided with a plurality of air exhaust holes and switching holes, the air exhaust holes are communicated with the vacuum cavity, the switching holes are communicated with the switching tube assembly, and the shunt tubes between adjacent air exhaust holes are arranged opposite to the switching holes. The adsorption force generated on the vacuum adsorption belt by the vacuum adsorption box mechanism is uniform, the vacuum adsorption is stable, and subsequent accurate printing is guaranteed.

Description

Vacuum adsorption box mechanism

Technical Field

The utility model relates to a digital printing technology field especially relates to a vacuum adsorption case 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 a printing platform which is transported by vacuum adsorption, then the printing trolley moves back and forth on the supporting beam for printing, and the beam is driven by the driving mechanism to drive the printing trolley to step, so that the printing of the advertising board is completed. However, the vacuum adsorption force generated by the vacuum adsorption box mechanism of the existing printing platform is often uneven, the vacuum adsorption is unstable, and subsequent accurate printing cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide a vacuum adsorption box mechanism with stable vacuum adsorption and uniform adsorption force, aiming at the problems of vacuum adsorption of the printing platform.

A vacuum adsorption tank mechanism for installing a vacuum adsorption belt, the vacuum adsorption tank mechanism comprising: the connecting device comprises a bottom plate, two flow dividing pipes symmetrically arranged on the top surface of the bottom plate, two end plates symmetrically arranged on two ends of the bottom plate, a plurality of adapter pipe assemblies arranged on the flow dividing pipes, and a plurality of lapping plates arranged on the bottom surface of the bottom plate, wherein a vacuum cavity is formed among the bottom plate, the flow dividing pipes and the end plates; the distributing pipe is provided with a plurality of air exhaust holes and switching holes, the air exhaust holes are communicated with the vacuum cavity, the switching holes are communicated with the switching pipe assembly, and the distributing pipe part between the adjacent air exhaust holes is opposite to the switching holes.

Above-mentioned vacuum adsorption case mechanism for during the use for install the vacuum adsorption belt, the vacuum adsorption belt removes on the vacuum cavity at the effect of drive roller and driven voller, changes the position that the vacuum adsorption belt produced the vacuum adsorption power, and the adapter tube subassembly is connected with external vacuum generating device. The positions of the flow dividing pipes between the adjacent pumping holes are opposite to the switching holes, and the pumping holes are staggered from the switching holes to be not opposite, so that the air flow suction force generated through the switching holes can be divided towards the two sides of the switching holes, and then the air in the vacuum cavity is pumped out through the two adjacent pumping holes to generate negative pressure vacuum. The switching hole and the air exhaust hole form a shunting suction mode, multiple uniform and reliable vacuum suction points can be generated from two sides of the vacuum cavity through the air exhaust holes, vacuum adsorption is stable, adsorption force is uniform, printing materials are not prone to deviation, and subsequent accurate printing is guaranteed.

In one embodiment, the shunt tube is a rectangular tube, and the suction hole and the adapting hole are respectively positioned on two opposite sides of the shunt tube.

In one embodiment, two of the shunt tubes form a support step that supports the vacuum suction belt.

In one embodiment, the area of the pumping hole is smaller than that of the transfer hole.

In one embodiment, the air suction hole and the adapting hole are both kidney-shaped holes.

In one embodiment, the top surface of the shunt tube is flush with the top surface of the endplate.

In one embodiment, the straps are stepped.

In one embodiment, the adapter tube assembly includes an adapter mounted on the shunt tube opposite the transition bore, and an elbow mounted on the adapter.

In one embodiment, two locking parts protrude from the adapter.

In one embodiment, the adapter tube assembly and the lap plate are sequentially arranged at intervals.

Drawings

Fig. 1 is a schematic view of a vacuum adsorption box mechanism according to an embodiment of the present invention;

FIG. 2 is a schematic view of the shunt tube shown in FIG. 1;

fig. 3 is a schematic view of the adapter tube assembly of 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 to 3, a vacuum adsorption box mechanism 100 according to an embodiment of the present invention is used for mounting a vacuum adsorption belt, and forms a vacuum adsorption conveying platform in cooperation with a driving roller and a driven roller. This vacuum adsorption box mechanism 100 includes: the vacuum chamber comprises a bottom plate 20, two shunt tubes 30 symmetrically installed on the top surface of the bottom plate 20, two end plates 40 symmetrically installed on both ends of the bottom plate 20, a plurality of adapter tube assemblies 50 installed on the shunt tubes 30, and a plurality of bridge plates 60 installed on the bottom surface of the bottom plate 20, wherein a vacuum chamber 70 is formed among the bottom plate 20, the shunt tubes 30 and the end plates 40.

The dividing pipe 30 is provided with a plurality of pumping holes 31 and adapting holes 32, the pumping holes 31 are communicated with the vacuum chamber 70, the adapting holes 32 are communicated with the adapting pipe assembly 50, and the dividing pipe part between the adjacent pumping holes 31 is arranged opposite to the adapting holes 32. Further, the shunt tube 30 is a rectangular tube, and the pumping hole 31 and the adapting hole 32 are respectively located on two opposite sides of the shunt tube 30. In this embodiment, the number of the pumping holes 31 is six, and the number of the switching holes 32 is five, and in other embodiments, the number of the pumping holes may be changed as needed. The two shunt tubes 30 form a support step for the vacuum suction belt and the top surfaces of the shunt tubes 30 are flush with the top surface of the end plate 40. Further, the area of the suction hole 31 is smaller than that of the transfer hole 32, and the suction hole 31 and the transfer hole 32 are both kidney-shaped holes, so that the suction force generated through the transfer hole 32 is more concentrated and increased through the suction hole 31.

The adapter tube assembly 50 includes an adapter base 51 mounted on the shunt tube 30 and opposite to the adapter hole 32, and an elbow 52 mounted on the adapter base 51, wherein the elbow 52 is connected to an external vacuum generator. Furthermore, the adapter 51 protrudes out of the two locking portions 53, and the locking portions 53 lock and fix the adapter 51 when the adapter is installed, so that the installation convenience is improved.

The lapping plate 60 is arranged in a step shape, so that the height space of the whole vacuum adsorption box mechanism 100 installed on the machine frame can be well compressed, and the space is reasonably utilized. In this embodiment, the adapter tube assemblies 50 and the bridging plates 60 are sequentially arranged at intervals, wherein the number of the adapter tube assemblies 50 and the number of the bridging plates 60 are eight, and every four adapter tube assemblies are in one group.

The vacuum adsorption box mechanism 100 is used for installing a vacuum adsorption belt, the vacuum adsorption belt moves on the vacuum cavity 70 under the action of the driving roller and the driven roller, the position of the vacuum adsorption belt generating vacuum adsorption force is changed, and the adapter tube assembly 50 is connected with an external vacuum generating device. Because the shunt pipe part between the adjacent pumping holes 31 is arranged opposite to the adapting hole 32, the pumping holes 31 are staggered and not opposite to the adapting hole 32, thus the airflow suction force generated through the adapting hole 32 can be shunted to the two sides of the adapting hole 32, and then the vacuum cavity 70 is pumped out through the two adjacent pumping holes 31 to generate negative pressure vacuum. The transfer holes 32 and the air suction holes 31 form a shunting suction mode, a plurality of air suction holes 31 can generate a plurality of uniform and reliable vacuum suction points from two sides of the vacuum cavity 70, the vacuum adsorption is stable, the adsorption force is uniform, the printing material is not easy to deviate, and the subsequent accurate printing is ensured.

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. The utility model provides a vacuum adsorption case mechanism for install vacuum adsorption belt, its characterized in that, vacuum adsorption case mechanism includes: the connecting device comprises a bottom plate, two flow dividing pipes symmetrically arranged on the top surface of the bottom plate, two end plates symmetrically arranged on two ends of the bottom plate, a plurality of adapter pipe assemblies arranged on the flow dividing pipes, and a plurality of lapping plates arranged on the bottom surface of the bottom plate, wherein a vacuum cavity is formed among the bottom plate, the flow dividing pipes and the end plates; the distributing pipe is provided with a plurality of air exhaust holes and switching holes, the air exhaust holes are communicated with the vacuum cavity, the switching holes are communicated with the switching pipe assembly, and the distributing pipe part between the adjacent air exhaust holes is opposite to the switching holes.

2. The vacuum suction box mechanism as claimed in claim 1, wherein the shunt tube is a rectangular tube, and the suction hole and the through hole are respectively located on two opposite sides of the shunt tube.

3. The vacuum suction box mechanism as claimed in claim 2, wherein the two shunt tubes form a support step for supporting the vacuum suction belt.

4. The vacuum suction box mechanism according to claim 2, wherein the area of the suction hole is smaller than the area of the transfer hole.

5. The vacuum suction box mechanism as claimed in claim 4, wherein the suction hole and the through hole are both kidney-shaped holes.

6. The vacuum suction box mechanism of claim 2, wherein the top surface of the shunt tube is flush with the top surface of the end plate.

7. The vacuum suction box mechanism as claimed in claim 1, wherein the strap is provided in a stepped arrangement.

8. The vacuum suction box mechanism as claimed in claim 1, wherein the adapter tube assembly comprises an adapter seat mounted on the shunt tube opposite the adapter hole, and a bend mounted on the adapter seat.

9. The vacuum suction box mechanism as claimed in claim 8, wherein two locking portions protrude from the adaptor.

10. The vacuum suction box mechanism as claimed in claim 1, wherein the adaptor tube assembly is spaced from the landing plate in sequence.