CN209814507U - Automatic color sheet sticking device - Google Patents

Abstract

The utility model discloses a color sheet automatic pasting device, include: the device comprises a main roller, a gluing roller, a smoothing roller and a conveyor belt; the outer surface of the main roller is distributed with first air suction holes, the inner part of the main roller comprises a hollow first cavity, and the first air suction holes are communicated with the first cavity; the main roller is further provided with a notch which extends along the circumferential direction of the main roller, a hollow telescopic air cavity is contained in the notch, the inner side of the telescopic air cavity is connected with a telescopic air cylinder which is arranged in the radial direction, the outer side of the telescopic air cavity is consistent with the circumference of the main roller, second air suction holes are distributed in the outer surface of the telescopic air cavity, and the second air suction holes are communicated with the inside of the telescopic air cavity. The utility model discloses the automatic pasting of various page or leaf is realized to the fungible manual work, has and is showing the beneficial effect who improves work efficiency.

Description

Automatic color sheet sticking device

Technical Field

The utility model relates to an outside lithography apparatus of packing box. More specifically, the utility model relates to a device that is used for adding the various page or leaf of subsides automatically on the surface of packing box.

Background

Corrugated boxes are widely applied to product packaging, various publicity color pages are often required to be printed on the surfaces of the corrugated boxes in order to beautify the product packaging, but the corrugated boxes for packaging large-sized products, particularly the corrugated boxes for export furniture, cannot be printed and formed at one time by an offset press. Because the shape of the carton is larger, a single piece of color printing can be printed firstly and then is attached to the outer surface of the carton. The color page pasting mode has various different requirements, one paper box is pasted with one paper, and two paper boxes, three paper boxes and even four paper boxes are pasted with one paper box; some are smaller and some are larger; one color surface spans two or even three surfaces. Some cross from the height direction to the direction of the rocking cover, as shown in figure 1. The requirement of pasting based on the color pages is complex, and the manual pasting mode is adopted in the prior art, so that the pasting speed is slow and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an automatic color sheet pasting device including: the device comprises a main roller, a gluing roller, a smoothing roller and a conveyor belt; the outer surface of the main roller is distributed with first air suction holes, the inner part of the main roller comprises a hollow first cavity, and the first air suction holes are communicated with the first cavity; the outer edge of the main roller is also provided with a notch which extends along the circumferential direction part of the main roller, a hollow telescopic air cavity is contained in the notch, the inner side of the telescopic air cavity is connected with a telescopic air cylinder which is arranged in the radial direction, the outer side of the telescopic air cavity is consistent with the circumference of the main roller, second air suction holes are distributed on the outer surface of the telescopic air cavity, and the second air suction holes are communicated with the inside of the telescopic air cavity.

Preferably, one side of the notch coincides with the radial direction of the main roller, the other side of the notch is in arc transition to the peripheral outer edge of the main roller, and the shape of the telescopic air cavity is matched with that of the notch.

Preferably, the sizing roller comprises a hard anilox roller and a rubber scraping roller, and a glue solution pool is arranged between the hard anilox roller and the rubber scraping roller.

Preferably, the second air suction holes are distributed along the outer surface of the telescopic air cavity in a plurality of groups.

Preferably, wherein the first air suction holes are distributed along the outer surface of the main drum in a plurality of groups.

Preferably, the distribution density of the second air suction holes along the outer surface of the telescopic air cavity is 3-5 times that of the first air suction holes along the outer surface of the main roller.

Preferably, the negative pressure formed when the telescopic air cavity works is 3-5 times of the negative pressure formed when the first cavity works.

Preferably, the smoothing roller is a soft sun wheel rubber roller which is arranged in an up-and-down symmetrical mode.

Preferably, the conveyor belt is provided with adsorption holes, negative pressure is arranged inside the conveyor belt, and the packing boxes adsorbed on the upper surface of the conveyor belt move forwards together.

The utility model discloses at least, include following beneficial effect: because the telescopic air cavity is arranged at the outer edge of the main roller, the color sheet to be adhered can be automatically driven to be glued and adhered to the appointed position of the packaging box, the continuous operation of a production line is realized, and the working efficiency is greatly improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic view of a color sheet adhering mode on the surface of a packing box;

fig. 2 is a schematic structural diagram of an embodiment of the present invention;

fig. 3 is a partially enlarged view of the telescopic air cavity in an embodiment of the present invention;

fig. 4-6 illustrate the process of performing automatic pasting according to an embodiment of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

Fig. 2 to 3 show an implementation form according to the present invention, which includes: the device comprises a main roller 1, a gluing roller 2, a smoothing roller 3 and a conveyor belt 4; the outer surface of the main roller 1 is distributed with first air suction holes 5, the inner part of the main roller comprises a hollow first cavity 6, and the first air suction holes 5 are communicated with the first cavity 6; the outer edge of the main roller 1 is further provided with a notch 7 which extends along the circumferential direction of the main roller 1, a hollow telescopic air cavity 8 is contained in the notch 7, the inner side of the telescopic air cavity 8 is connected with a telescopic air cylinder 9 which is arranged in the radial direction, the outer side of the telescopic air cavity is consistent with the circumference of the main roller 1, second air suction holes 10 are distributed on the outer surface of the telescopic air cavity 8, and the second air suction holes 10 are communicated with the inside of the telescopic air cavity 8.

In this solution, the device is used as follows: as shown in fig. 2, the packing box 11 to be pasted is placed on the upper surface of the conveyor belt 4, the conveyor belt 4 is started to drive the packing box 11 to move forward, the main roller 1 drives the telescopic air cavity 8 to start rotating clockwise, and the color sheet 12 to be pasted is placed at the topmost end of the main roller 1. As shown in fig. 4, when the telescopic air cavity 8 reaches the topmost end of the main roller, the distance between the pasting initial position of the color sheet 12 on the packaging box 11 and the bottommost end of the main roller 1 is adjusted to be equal to a half of the circumference of the main roller 1, the linear speed of the rotation outside the main roller 1 is adjusted to be consistent with the advancing speed of the conveyor belt 4, the telescopic air cylinder 9 extends outwards, the telescopic air cavity 8 generates negative pressure, and the color sheet 12 at the top end of the main roller 1 is sucked through the second air suction holes 10 on the surface of the telescopic air cavity 8; the telescopic cylinder 9 retracts inwards, and meanwhile, the negative pressure in the telescopic air cavity 8 is kept, so that the color sheet 12 is driven to rotate along the circumferential direction of the main roller 1. The first cavity 6 in the main roller 1 also generates negative pressure, and the rest part of the color sheet 12 is adsorbed on the surface of the main roller 1 through the first air suction holes 5 on the surface of the main roller 1 and rotates along with the main roller 1.

As shown in fig. 5, when the telescopic air cavity 8 and the main drum 1 drive the color sheet 12 to rotate clockwise and pass through the gluing roller 2, the gluing roller 2 coats glue on the outer surface of the color sheet 12 to finish gluing the color sheet 12; as shown in fig. 6, the telescopic air cavity 8 and the main drum 1 continue to rotate to the bottom end of the main drum 1, the initial position of the color sheet 12 pasted on the packing box 11 also just reaches the bottom end, the negative pressure in the telescopic air cavity 8 is released, the outer surface of the color sheet 12 pasted with glue is contacted with the packing box 11 and starts to be pasted automatically, along with the continuous rotation of the main drum 1, the negative pressure of the first cavity 6 in the main drum 1 is gradually released, so that the whole color sheet 12 is pasted on the packing box 11, then the color sheet continues to advance to the flattening roller 3 under the belt of the conveyor belt 4, and the color sheet 12 is further flattened on the upper surface of the packing box 11 through the flattening roller 3.

In another example, one side of the notch 7 coincides with the radial direction of the main drum 1, the other side of the notch transitions to the outer circumference edge of the main drum 1 along an arc line, and the shape of the telescopic air cavity 8 is matched with the shape of the notch 7. By adopting the scheme, the telescopic air cavity 8 can keep consistent with the outer edge of the main roller 1, the top end of the telescopic air cavity can extend upwards to reliably absorb the color sheet 12, and the retracted color sheet 12 can drive the color sheet 12 to rotate along with the main roller 1. Also, this manner is merely an illustration of a preferred example, but not limited thereto. When implementing the utility model discloses the time, can be according to the implementation mode appearance of user's demand.

One way of implementing the glue roller 2 in the above solution is: the sizing roller 2 comprises a hard anilox roller 201 and a rubber scraping roller 203, and a glue solution pool 202 is arranged between the hard anilox roller 201 and the rubber scraping roller 203. The outer surface of the color sheet 12 can be glued simply and reliably by adopting the scheme.

One way of realizing the second suction hole 10 in the above solution is: the second air suction holes 10 are distributed along the outer surface of the telescopic air cavity 8 in multiple groups. With this arrangement, the telescopic air chamber 8 can reliably attract and pull the front end of the sheet 12.

One implementation manner of the first air suction holes 5 in the above scheme is as follows: the first air suction holes 5 are distributed along the outer surface of the main drum 1 in a plurality of groups. With this arrangement, the main cylinder 1 is enabled to reliably attract and pull the color sheet 12.

One way of realizing the second suction hole 10 in the above solution is: the distribution density of the second air suction holes 10 along the outer surface of the telescopic air cavity 8 is 3-5 times that of the first air suction holes 5 along the outer surface of the main roller 1. With this arrangement, the telescopic air chamber 8 can attract and pull the front end of the sheet 12 more reliably.

One implementation manner of the telescopic air cavity 8 in the above scheme is as follows: the negative pressure formed when the telescopic air cavity 8 works is 3-5 times of the negative pressure formed when the first cavity 6 works. With this arrangement, the telescopic air chamber 8 can attract and pull the front end of the sheet 12 more reliably.

One implementation of the smoothing roller 3 in the above scheme is as follows: the smoothing roller 3 is a soft sun wheel rubber roller which is symmetrically arranged up and down. With this solution, the color sheet 12 can be flattened on the upper surface of the packing box 11 in a simple and reliable manner.

One way of implementing the conveyor belt 4 in the above solution is: the conveying belt 4 is provided with an adsorption hole, negative pressure is arranged in the conveying belt, and the packing boxes 11 adsorbing the upper surface of the conveying belt 4 move forwards together. This arrangement allows the conveyor belt 4 to reliably move the containers 11 forward.

As above, according to the utility model discloses, owing to be provided with the flexible air cavity of telescopic in the main drum outer fringe, the various page or leaf that waits to paste that can be automatic carries out the rubberizing and pastes in the appointed position of packing box, has realized production line continuity of operation, provides work efficiency greatly.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims (9)

1. An automatic color sheet pasting device is characterized by comprising: the device comprises a main roller, a gluing roller, a smoothing roller and a conveyor belt; the outer surface of the main roller is distributed with first air suction holes, the inner part of the main roller comprises a hollow first cavity, and the first air suction holes are communicated with the first cavity; the outer edge of the main roller is also provided with a notch which extends along the circumferential direction part of the main roller, a hollow telescopic air cavity is contained in the notch, the inner side of the telescopic air cavity is connected with a telescopic air cylinder which is arranged in the radial direction, the outer side of the telescopic air cavity is consistent with the circumference of the main roller, second air suction holes are distributed on the outer surface of the telescopic air cavity, and the second air suction holes are communicated with the inside of the telescopic air cavity.

2. The automatic color sheet pasting device according to claim 1, wherein one side of said recess coincides with the radial direction of said main roller, and the other side of said recess transitions into the circumferential outer edge of said main roller along an arc, and the shape of said telescopic air chamber matches with the shape of said recess.

3. The automatic color sheet pasting device according to claim 1, wherein the glue applying roller comprises a hard anilox roller and a rubber scraping roller, and a glue solution tank is arranged between the hard anilox roller and the rubber scraping roller.

4. The automatic sticker sheet sticking apparatus as claimed in claim 1, wherein said second suction holes are distributed in plural groups along the outer surface of said telescopic air chamber.

5. The automatic color sheet pasting apparatus according to claim 1, wherein said first suction holes are distributed in a plurality of groups along the outer surface of said main cylinder.

6. The automatic color sheet pasting device according to claim 5, wherein the distribution density of said second suction holes along the outer surface of said telescopic air chamber is 3 to 5 times the distribution density of said first suction holes along the outer surface of said main cylinder.

7. The automatic color sheet pasting device according to claim 1, wherein the negative pressure generated by the telescopic air chamber during operation is 3 to 5 times the negative pressure generated by the first cavity during operation.

8. The automatic color sheet pasting device according to claim 1, wherein said smoothing roller is a soft sun roller disposed vertically symmetrically.

9. The automatic color sheet pasting device according to claim 1, wherein said conveyor belt is provided with suction holes and a negative pressure is provided therein, and the containers sucked on the upper surface of said conveyor belt are advanced together.