CN212046155U

CN212046155U - Front cover welting device

Info

Publication number: CN212046155U
Application number: CN202020061916.9U
Authority: CN
Inventors: 余向斌; 蔡青楚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-12-01
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a front cover welt device, its characterized in that: the device comprises a brush roller, wherein the brush roller is controlled and driven by an independent motor, and a front conveying part and a rear conveying part are respectively arranged at the positions close to the front side and the rear side of the brush roller; when the hem works, the front conveying part and the rear conveying part move in the same direction at the same linear speed, the paperboard and the facial tissue pass through the lower part of the brush roller, the brush roller rotates reversely relative to the paperboard, and the facial tissue at the end part of the paperboard is turned upwards by the brush to realize hem lamination. The utility model discloses can implement the front cover welt of cardboard simple structure, production efficiency is high to can be fit for the cardboard of any shape and the middle cardboard of windowing, need not the adjustment specification moreover to not equidimension cardboard.

Description

Front cover welting device

Technical Field

The utility model relates to a carry out front cover hem device of front cover hem to cardboard.

Background

At present, in the production process of high-grade paper boxes, a layer of face paper for decoration is often required to be adhered to the surface of a paper board, the length and width of the face paper is greater than that of the paper board, the periphery of the long face paper is turned upwards and is adhered to the peripheral outline of the paper board, and the paper board is subjected to cover welting (also called edge covering). In the prior art, the edge pasting device is complex in structure and low in production efficiency when the edge pasting work of the facial tissue on the paper boards is to be finished, and the edge pasting device is inconvenient for adjusting and replacing parts of the paper boards with different sizes; the more outstanding problem is that when the sideline of the paper board is in a non-linear shape, the welting device is difficult to complete the welting of the facial tissue matched with the sideline of the paper board; furthermore, if the middle of the paperboard is provided with a window, and the window profile needs to be attached to the periphery of the paperboard together with the surface paper, the window attachment cannot be implemented at all by using the attaching device in the prior art, because the middle window position of the paperboard is blocked by the mold pressing the paperboard when the periphery of the paperboard is attached.

Disclosure of Invention

The utility model aims at providing a can implement the front cover hem of cardboard simple structure, production efficiency is high to can be fit for the cardboard of any shape and the cardboard of windowing in the middle, need not the front cover hem device of adjustment specification moreover to not equidimension cardboard.

The utility model adopts the following technical proposal to complete:

front cover welt device, its characterized in that: the device comprises a brush roller, wherein the brush roller is controlled and driven by an independent motor, and a front conveying part and a rear conveying part are respectively arranged at the positions close to the front side and the rear side of the brush roller; when the hem works, the front conveying part and the rear conveying part move in the same direction at the same linear speed, the paperboard and the facial tissue pass through the lower part of the brush roller, the brush roller rotates reversely relative to the paperboard, and the facial tissue at the end part of the paperboard is turned upwards by the brush to realize hem lamination.

Above-mentioned technical scheme's front cover hem device, simple structure, production efficiency is high, and concrete action process is: firstly, the paper board A and the face paper B which are bonded by glue are conveyed forwards together, the end part of the front end of the face paper is turned upwards to be attached to the front end outline of the paper board by utilizing the reverse motion of the brush roller, and then the welting and the pressing of the front end outline of the paper board are carried out; then the paper board A and the facial tissue B are conveyed reversely, the reverse movement of the brush roller is utilized again to enable the rear end part of the facial tissue to generate an upward flanging to be attached to the rear end outline of the paper board, then the welting pressing of the rear end outline of the paper board is carried out, and finally the facial tissue and the paper board which finish the welting pressing of the paper board outline are conveyed forward and sent out together again. In the action process, when the brush roller covers and welts the outline of the paperboard A, no matter the outline sideline of the paperboard is in a non-linear shape, the brush roller can enable the surface paper to be turned upwards and then welt completely matched with the outline of the paperboard (on the premise of course, the end part of the surface paper needs to be correspondingly processed in advance); and if the middle of the paper board is provided with the opening window, when the opening window part passes through the lower part of the brush roller, the rolling of the brush roller can also enable the end part of the face paper of the opening window part to be turned upwards, and the cover welting of the opening window outline of the paper board is completed. In addition, the front cover welting device can adapt to paperboards with different sizes without adjusting specifications.

Preferably, a front guide plate is arranged between the front roller group and the brush roller, and a rear guide plate is arranged between the rear roller group and the brush roller.

Preferably, the front conveying member includes a front drive roller and a front driven roller, and the rear front conveying member includes a rear drive roller and a rear driven roller; when the welting works, the front driving roller and the rear driving roller rotate clockwise or anticlockwise in the same direction at the same linear speed.

Drawings

The utility model discloses there is following figure:

figure 1 is a schematic structural diagram of the present invention,

FIG. 2 is a conveying diagram of paper boards and facial tissues when the brush roller carries out cover welting on the front end profile of the paper boards,

FIG. 3 is a conveying diagram of the paper boards and the facial tissues when the brush roller carries out cover welting on the rear end profile of the paper boards,

FIG. 4 is a diagram of the delivery of the board and tissue after the front and back profile cover welts are completed.

Detailed Description

As shown in fig. 1, the cover binding device of the present invention comprises a brush roller 1, the brush roller 1 is controlled and driven by an independent motor, the front and back side of the brush roller 1 are respectively provided with a front transmission part and a back transmission part near the positions, a front guide plate 6 is arranged between the front transmission part and the brush roller, a back guide plate 7 is arranged between the back transmission part and the brush roller, the front transmission part comprises a front driving roller 3 and a front driven roller 2, and the back transmission part comprises a back driving roller 5 and a back driven roller 4; the preceding drive roll 3 of welt during operation, back drive roll 5 carry out clockwise or anticlockwise equidirectional motion with the same linear velocity, and cardboard A and facial tissue B pass through from the below of brush roller 1, and brush roller 1 is reverse rotation relative cardboard A, and the facial tissue of cardboard tip is upwards turned up by the brush and is realized the hem laminating.

The utility model discloses a carry out front cover welt work like this: as shown in fig. 2, a paperboard a and a facial tissue B are bonded by glue and then are conveyed forwards together, a front driving roller 3 and a rear driving roller 5 run clockwise at the same linear speed, the paperboard a and the facial tissue B are pushed to a brush roller 1 by the front driving roller 3 and the front driven roller 2, when the facial tissue B grows out of the front end B1 of the paperboard a and approaches the brush roller 1, the brush roller 1 rolls along the circumference of the conveying direction of the paperboard a, the front end B1 of the facial tissue is turned upwards and clings to the front end contour of the paperboard a by the brush roller 1, the front end contour of the paperboard a is subjected to cover facing by the brush roller 1, the paperboard a and the facial tissue B continue to move forwards, and the front facing of the front end contour of the paperboard a is laminated by the rear driving roller 5 and the rear driven roller 4; when the rear end B2 of the paper board A, which is longer than the surface paper B, passes through and leaves the lower part of the brush roller 1, the paper board A and the surface paper B are conveyed reversely, the front drive roller 3 and the rear drive roller 5 run anticlockwise at the same linear speed, the rear drive roller 5 and the rear driven roller 4 push the paper board A and the surface paper B to the brush roller, when the rear end B2 of the surface paper approaches the brush roller, the brush roller rolls reversely and circumferentially to enable the rear end B1 of the surface paper to be turned upwards and to be tightly attached to the rear end profile of the paper board A, the brush roller carries out cover binding on the rear end profile of the paper board A, the paper board A and the surface paper B continue to be conveyed reversely, and the front drive roller 3 and the front driven roller 2 can press the cover binding of the rear end profile of the paper board A; after finishing the cover binding and pressing of the front and rear end profiles of the cardboard a, the front and

rear drive rollers

3 and 5 are again operated clockwise at the same linear speed, see fig. 4, and the cardboard a and the face paper B are then fed forward together. In the above process, in order to prevent the glue on the surface of the rear end B2 of the facial tissue from contacting the brush roller 1 when the paper board a shown in fig. 2 passes under the brush roller 1, the brush of the brush roller 1 may be designed to have a shorter brush length within a certain circumferential angle range, and the short brush part of the brush roller is controlled by the motor to be located right at the bottom of the brush roller during the period (refer to the state of the brush roller in fig. 4), so that the brush roller does not contact the rear end surface of the facial tissue passing through.

Claims

1. Front cover welt device, its characterized in that: the device comprises a brush roller, wherein the brush roller is controlled and driven by an independent motor, and a front conveying part and a rear conveying part are respectively arranged at the positions close to the front side and the rear side of the brush roller; when the hem works, the front conveying part and the rear conveying part move in the same direction at the same linear speed, the paperboard and the facial tissue pass through the lower part of the brush roller, the brush roller rotates reversely relative to the paperboard, and the facial tissue at the end part of the paperboard is turned upwards by the brush to realize hem lamination.

2. The cover welt apparatus of claim 1, wherein: a front guide plate is arranged between the front conveying part and the brush roller, and a rear guide plate is arranged between the rear conveying part and the brush roller.

3. The cover welt apparatus as set forth in claim 1 or 2, wherein: the front conveying part comprises a front driving roller and a front driven roller, and the rear front conveying part comprises a rear driving roller and a rear driven roller; when the welting works, the front driving roller and the rear driving roller rotate clockwise or anticlockwise in the same direction at the same linear speed.