CN212022005U

CN212022005U - Heating and drying device for laminating machine

Info

Publication number: CN212022005U
Application number: CN202020249878.XU
Authority: CN
Inventors: 周志广; 周玉良; 杨忠
Original assignee: Yutian County Kesida Printing Machinery Manufacturing Co ltd
Current assignee: Yutian County Kesida Printing Machinery Manufacturing Co ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-11-27
Anticipated expiration: 2030-03-05

Abstract

The utility model provides a heating and drying device for a film laminating machine, which is arranged at the position of a frame above a drying roller and comprises a front oven, a rear oven, a blowing fan, an exhaust air duct and a support bar; the rear drying oven and the front drying oven are sequentially covered at the top of the drying roller along the rotation direction of the drying roller, and a plurality of heating pipes connected in parallel are arranged inside the front drying oven and the rear drying oven; the number of the blowing fans is two, the blowing fans are respectively arranged at the tops of the front oven and the rear oven, and the number of each group of the blowing fans is at least one; the air draft air duct is arranged at the top between the front drying oven and the rear drying oven, the front drying oven and the rear drying oven are respectively connected with the corresponding sides of the air draft air duct through supporting bars, and the air draft fan is communicated with the top of the air draft air duct. The utility model discloses greatly overcome oven drying effect slow, the inside temperature control of oven invariable, oven cooling time long, maintenance difficult problem such as inconvenient, improved production efficiency greatly.

Description

Heating and drying device for laminating machine

Technical Field

The utility model relates to a drying structure of laminating machine especially relates to a heating and drying device for laminating machine.

Background

The film covering process is a surface processing process after printing, is also called as post-printing plastic coating, post-printing glue mounting or post-printing film pasting, and is a paper-plastic integrated product processing technology formed by covering a layer of transparent plastic film with the thickness of 0.012-0.020 mm on the surface of a printed product by a film covering machine. Most stoving in current laminating machine adopts the heating stoving, and the drying roller who connects in the frame by rotating after the film rubberizing sends it into the oven that is provided with many heating pipes and carries out the drying, but the stoving case of current laminating machine exists slowly to the drying effect of waterborne dry coating glue, the inside temperature control of oven is invariable, oven cooling time is long and maintenance scheduling problem not convenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a heating and drying device for laminating machine to the drying effect to waterborne dry coating glue that the stoving case that solves current laminating machine exists is slow, the inside temperature control of oven is invariable, oven cooling is long and the maintenance is not convenient problem.

The utility model discloses a realize like this:

a heating and drying device for a laminating machine is arranged at a position, above a drying roller, of a rack and comprises a front drying oven, a rear drying oven, a blowing fan, an air draft air duct and a support bar; the rear drying oven and the front drying oven are sequentially covered at the top of the drying roller along the rotation direction of the drying roller, and a plurality of heating pipes connected in parallel are arranged inside the front drying oven and the rear drying oven; the number of the blowing fans is two, the blowing fans are respectively arranged at the tops of the front oven and the rear oven, and the number of each blowing fan is at least one; the air draft air duct is arranged at the top between the front oven and the rear oven, the front oven and the rear oven are respectively connected with the corresponding sides of the air draft air duct through the supporting bars, and the air draft fan is communicated with and arranged at the top of the air draft air duct.

The number of the exhaust fans is one, and the air inlets of the exhaust fans are communicated with the center of the top of the exhaust air duct;

and an air inlet of the blowing fan arranged on the front oven is communicated with the air exhaust duct.

The front oven is hinged to the top end of the corresponding side of the supporting bar, and the rear oven is hinged to the top end of the corresponding side of the supporting bar.

One side of the front oven adjacent to the drying roller and one side of the rear oven adjacent to the drying roller are both parallel to the outer circumferential surface of the drying roller.

The support bar is the strip board, the axial of support bar with the axial direction parallel of drying roller, the support bar be adjacent to the side of one side of preceding oven and the support bar be adjacent to the side of one side of back oven is vertical plane.

The central axes of the heating pipes in the front oven are all on the same circumferential surface parallel to the outer circumferential surface of the drying roller, and the central axes of the heating pipes in the rear oven are all on the same circumferential surface parallel to the outer circumferential surface of the drying roller.

And telescopic cylinders are rotatably connected between the top of one side of the front oven, which is far away from the corresponding supporting bar, and the rack and between the top of one side of the rear oven, which is far away from the corresponding supporting bar, and the rack.

The connection structure of telescopic cylinder and frame is: a cylinder supporting shaft fixedly connected with a rack is arranged above the top of the front oven close to one side corresponding to the supporting bar and above the top of the rear oven close to one side corresponding to the supporting bar, the axial direction of the cylinder supporting shaft is parallel to the axial direction of the drying roller, both axial ends of the cylinder supporting shaft are fixedly connected with the rack through supporting vertical rods, a universal connecting block is arranged on the cylinder supporting shaft, and the corresponding end of the telescopic cylinder is rotatably connected with the cylinder supporting shaft through the universal connecting block;

the connection structure of the telescopic cylinder, the front oven and the rear oven is as follows: the top of one side of the front oven, which is far away from the corresponding support bar, and the top of one side of the rear oven, which is far away from the corresponding support bar, are rotatably connected with the corresponding ends of the telescopic cylinders;

the axial direction of the telescopic cylinder is perpendicular to the axial direction of the cylinder supporting shaft.

And the air inlet of the blowing fan arranged on the front oven is communicated with the air exhaust duct through a connecting air pipe.

The front oven is hinged to the top end of the corresponding side of the supporting bar through a hinge, and the rear oven is hinged to the top end of the corresponding side of the supporting bar through a hinge.

The utility model has the advantages that:

one, after waterborne dry coating glue is glued to the film, the dry roller is carried by back oven to oven direction before by the back oven and is carried, a plurality of heating pipe parallel connection in the front oven, a plurality of heating pipe parallel connection in the back oven, every heating pipe corresponds a switch that is used for controlling it respectively like this, user's alternative manual or automatic required heating pipe of opening, when automatic opening, can be according to the speed of equipment operation, the automatic heating pipe of opening in proper order of the thickness of glue volume, form the automatic control that carries out embracing formula heating stoving to glue on the film, make the abundant stoving that dries of glue on the film.

And secondly, an air inlet of the blowing fan arranged on the front oven is communicated with the air draft air duct, the blowing fan of the front oven blows a part of hot air extracted by the air draft fan into the front oven 1 to carry out secondary drying on the film with the glue, and the part of hot air blows the glue on the film, so that the heat energy is fully utilized, the circulation of hot air is realized, a constant drying temperature is kept in the front oven and the rear oven for a long time, the working time of a heating pipe is reduced, and the consumption of electric energy in the heating and drying device for the laminating machine is greatly reduced.

And thirdly, the front oven is hinged with the top end of the corresponding side of the support bar, the rear oven is hinged with the top end of the corresponding side of the support bar, and a user can manually lift the front oven and the rear oven upwards. In addition, when the glue amount on the film needs to be adjusted to be small or the temperature of the oven needs to be reduced when the temperature is high, the heat dissipation treatment can be carried out by manually lifting the front oven and the rear oven.

Preceding oven keep away from between the top and the frame of one side of corresponding support bar and the back oven keep away from between the top and the frame of one side of corresponding support bar and all rotate and be connected telescopic cylinder, accessible telescopic cylinder realizes automatic with preceding oven, the technological effect that the back oven upwards lifted, the film card that appears when having greatly made things convenient for the observation of film running state and the operation board to wear the film in the use problem in corresponding the oven, the glue that has solved because of the film card causes on the film in the oven appears the mar, the inconvenient problem of maintenance that the film caused phenomena such as crumple. Furthermore, the utility model discloses still have simple structure, the convenient advantage of installation.

Four, the utility model discloses greatly overcome oven drying effect slow, the inside temperature control of oven invariable, oven cooling time long, maintenance difficult problem such as inconvenient, improved production efficiency greatly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a front side view of the present invention.

In the figure: 1. a frame; 2. drying the roller; 3. a front oven; 4. a rear oven; 5. a blowing fan; 7. heating a tube; 8. a supporting strip; 51. connecting an air pipe; 61. an air draft fan; 62. an air draft duct; 91. a telescopic cylinder; 92. a cylinder support shaft; 93. supporting the vertical rod; 94. a universal connecting block; 10. a hinge; D. the direction of rotation.

Detailed Description

The present invention is further illustrated by the following examples, which are given by way of illustration only and are not intended to limit the scope of the present invention in any way.

As shown in fig. 1 and 2, a heating and drying device for a laminating machine is arranged at a position of a frame 1 above a drying roller 2, and comprises a front oven 3, a rear oven 4, a blowing fan 5, an air draft fan 61, an air draft air duct 62 and a support bar 8. Frame 1 is the support of laminating machine, for the common structure of current laminating machine, does not belong to the innovation point of this application. The rear oven 4 and the front oven 3 are sequentially covered at the top of the drying roller 2 along the rotating direction D of the drying roller 2, namely the rear oven 4 is positioned at the upstream of the rotating direction D of the front oven 3. The front oven 3 is disposed opposite to the rear oven 4. One side of the front oven 3 adjacent to the drying roller 2 and one side of the rear oven 4 adjacent to the drying roller 2 are both parallel to the outer circumferential surface of the drying roller 2, the top ends and the bottom ends of the front oven 3 and the rear oven 4, the upper portion of one side of the front oven 3 and the rear oven 4 adjacent to the drying roller 2, one side and the two axial sides of the front oven 3 and the rear oven 4 are both closed, the middle lower portion of one side of the front oven 3 and the lower portion of one side of the rear oven 4 adjacent to the drying roller 2 are open, the open portions are arc-shaped grooves parallel to the outer circumferential surface of the drying roller 2, the axial two ends of the open portion of the front oven 3 extend to the end face of the axial corresponding end of the front oven 3, and the axial two ends of the open portion of the rear oven 4 extend to the end face of. In the present embodiment, the front oven 3 and the rear oven 4 are both configured as follows: the middle lower part of one side of the cuboid box body facing the drying roller is concavely provided with a groove attached to the outer circumferential surface of the drying roller 2, and the groove is open, namely the front drying box 3 and the rear drying box 4 are annularly wrapped on the upper part of the drying roller 2. A plurality of heating pipes 7 connected in parallel are arranged inside the front oven 3 and the rear oven 4, and each heating pipe 7 corresponds to a switch (not shown in the figure) for controlling the heating pipe. The central axes of the heating pipes 7 in the front oven 3 are all on the same circumferential surface parallel to the outer circumferential surface of the drying roller 2, and the central axes of the heating pipes 7 in the rear oven 4 are all on the same circumferential surface parallel to the outer circumferential surface of the drying roller 2. The heating pipes are connected in parallel, the structure of the front drying box, the structure of the rear drying box and the arrangement structure of the heating pipes 7 enable a user to selectively open the heating pipes 7 manually or automatically according to actual needs, and when the heating pipes are automatically opened, the heating pipes 7 can be automatically opened according to the running speed of equipment and the thickness of glue amount in sequence, so that the automatic control of surrounding heating and drying of glue on the film is realized, and the glue on the film is sufficiently dried.

The number of the blowing fans 5 is two, and the blowing fans are respectively arranged at the tops of the front oven 3 and the rear oven 4. The quantity of every group blower 5 is one at least, and in this embodiment, the quantity of every group blower 5 is 2, sets up the quantity of the blower 5 at preceding oven 3 top and back oven 4 top and is 2 promptly. Air draft wind channel 62 sets up the top between preceding oven 3 and back oven 4, preceding oven 3 and back oven 4 are connected through the corresponding side of support bar 8 with air draft wind channel 62 respectively, air draft wind channel 62's bottom is uncovered, air draft wind channel 62 is located drying roller 2 directly over, air draft wind channel 62 is a trapezoidal that big end down in the cross-section on the vertical plane through drying roller 2 the central axis, air draft wind channel 62 is being in the equal parallel and level in 2 axial both ends of edge on a parallel with drying roller or outstanding in the corresponding end of drying roller 2. The number of the exhaust fans 61 is one, and the air inlets of the exhaust fans 61 are communicated with the center of the top of the exhaust air duct 62, so that hot steam formed after the water-based drying glue on the film is heated by the drying roller 2 can be effectively discharged. Air intake fixed connection of induced draft fan 61 is in the center at induced draft wind channel 62 top, and induced draft fan 61 is located drying roller 2 directly over promptly, and the air intake of induced draft fan 61 communicates with the inside in induced draft wind channel 62. Preferably, the draft fan 61 is communicatively disposed at the center of the top of the draft air duct 62. Two groups of blowing fans 5 are respectively arranged on one side of the top of the front oven 3 and the rear oven 4, which is far away from the vertical surface of the central axis of the drying roller 2. The air inlet of the blowing fan 5 arranged on the front oven 3 is communicated with the air exhaust duct 62. Preferably, the air inlet of the blowing fan 5 installed on the front oven 3 is communicated with the air draft air duct 62 through the connecting air pipe 51, the connecting air pipe 51 is communicated with the inside of the air draft air duct 62, and the connecting air pipe 51 is a high temperature resistant air pipe. In this embodiment, the connection between the connecting duct 51 and the ventilation duct 62 is located at the top of the ventilation duct 62. And an air inlet of an air blowing fan 5 arranged on the rear oven 4 is communicated with the outside. In this embodiment, when the drying and heating are started, the laminator automatically detects the temperature of hot air in the front oven and the rear oven, performs temperature self-tuning, and when the temperature of hot air is lower than a set temperature, automatically starts the heating pipe control systems in the front and rear ovens, automatically adjusts the heating gear, and automatically starts the air draft fan 61 and the air blowing fan 5. The heating pipe control system, the device for detecting the temperature in the oven, the switch of the heating pipe, the air draft fan 61 and the automatic control system between the blowing fans 5 are not the innovation point of the application, and the automatic control system can completely adopt the related control system in the prior art.

Preceding oven 3 is articulated with the top that the support bar 8 corresponds the side, and back oven 4 is articulated with the top that the support bar 8 corresponds the side, and in this implementation, preceding oven 3 is articulated through the top that hinge 10 and 8 correspond the sides of support bar, and back oven 4 is articulated through the top that hinge 10 and 8 correspond the side of support bar. The supporting bars 8 are strip-shaped plates, the axial direction of the supporting bars 8 is parallel to the axial direction of the drying roller 2, and the side surfaces of the supporting bars 8 adjacent to one side of the front oven 3 and the side surfaces of the supporting bars 8 adjacent to one side of the rear oven 4 are vertical planes. Preceding oven 3 adjacent to correspond one side of support bar 8 and one side adjacent to corresponding support bar 8 of back oven 4 are vertical plane, preceding oven 3, back oven 4 sets up like this and can make its support bar 8 with corresponding closely laminate, so that preceding oven 3 and back oven 4 can closely laminate with drying roller 2, can avoid the air admission oven in with the problem of the steam mixture reduction drying effect in the oven, can accelerate the drying of the film that has glue. The axial end part of the supporting bar 8 is fixedly connected with the frame 1 (not shown in the figure), and is used for fixedly mounting the heating and drying device on the frame 1. In this embodiment, the projection of the support bar 8 on the vertical section perpendicular to the axial direction thereof is rectangular, which facilitates the forming process of the support bar 8 and indirectly reduces the processing cost.

The telescopic cylinder 91 is rotatably connected between the top of one side of the front oven 3, which is far away from the corresponding supporting bar 8, and the frame 1 and between the top of one side of the rear oven 4, which is far away from the corresponding supporting bar 8, and the frame 1. The connection structure of the telescopic cylinder 91 and the frame 1 is as follows: a cylinder support shaft 92 fixedly connected with the frame 1 is arranged above the top of one side of the front oven 3 close to the corresponding support bar 8 and above the top of one side of the rear oven 4 close to the corresponding support bar 8, the axial direction of the cylinder support shaft 92 is parallel to the axial direction of the drying roller 2, the top of the front oven 3 and the top of the rear oven 4 are respectively provided with a vertical interval with the corresponding support bar 8, both axial ends of the cylinder support shaft 92 are fixedly connected with the frame 1 through a support vertical rod 93, the corresponding end of the telescopic cylinder 91 is rotatably connected with the cylinder support shaft 92, the cylinder support shaft 92 is provided with a universal connecting block 94, the corresponding end of the telescopic cylinder 91 is rotatably connected with the cylinder support shaft 92 through the universal connecting block 94, in the embodiment, the corresponding end of the telescopic cylinder 91 is rotatably connected with the axial middle part of the cylinder support shaft 92, the universal connecting block 94 is arranged at the axial middle part of the corresponding cylinder, the corresponding end of the telescopic cylinder 91 is rotatably connected with the axial middle part of the cylinder supporting shaft 92 through a universal connecting block 94. The number of the supporting vertical rods 92 is 4, the supporting vertical rods 92 are respectively located at two axial ends of the front oven 3 and at two axial ends of the rear oven 4, the supporting vertical rods 92 located at two axial ends of the front oven 3 are arranged oppositely, and the supporting vertical rods 92 located at two axial ends of the rear oven 4 are arranged oppositely. The axial both ends of preceding oven 3, the axial both ends of oven 4 all are articulated with the lower part of the support montant 92 of corresponding end, and support montant 92 is fixed to be set up in frame 1.

The connection structure of the telescopic cylinder 91 with the front oven 3 and the rear oven 4 is as follows: the top of the front oven 3, which is far away from one side corresponding to the supporting bar 8, and the top of the rear oven 4, which is far away from one side corresponding to the supporting bar 8, are both rotatably connected with the corresponding ends of the telescopic cylinder 91.

The axial direction of the telescopic cylinder 91 is perpendicular to the axial direction of the cylinder supporting shaft 92, that is, the vertical plane in which the axial direction of the telescopic cylinder 91 is located is perpendicular to the axial direction of the drying drum 2.

The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A heating and drying device for a laminating machine is arranged at a position, above a drying roller, of a rack and is characterized by comprising a front oven, a rear oven, a blowing fan, an air draft air duct and a support bar; the rear drying oven and the front drying oven are sequentially covered at the top of the drying roller along the rotation direction of the drying roller, and a plurality of heating pipes connected in parallel are arranged inside the front drying oven and the rear drying oven; the number of the blowing fans is two, the blowing fans are respectively arranged at the tops of the front oven and the rear oven, and the number of each blowing fan is at least one; the air draft air duct is arranged at the top between the front oven and the rear oven, the front oven and the rear oven are respectively connected with the corresponding sides of the air draft air duct through the supporting bars, and the air draft fan is communicated with and arranged at the top of the air draft air duct.

2. The heating and drying device for the laminating machine according to claim 1, wherein the number of the air draft fans is one, and an air inlet of each air draft fan is communicated with the center of the top of the air draft air duct;

3. The heating and drying device for the laminating machine according to claim 1, wherein the front oven is hinged to the top end of the corresponding side of the supporting strip, and the rear oven is hinged to the top end of the corresponding side of the supporting strip.

4. The heating and drying device for the laminating machine according to claim 1, wherein one side of the front oven adjacent to the drying roller and one side of the rear oven adjacent to the drying roller are both parallel to the outer circumferential surface of the drying roller.

5. The heating and drying device for the laminating machine according to claim 3, wherein the supporting bars are strip-shaped plates, the axial direction of the supporting bars is parallel to the axial direction of the drying roller, and the side surface of one side of the supporting bars, which is adjacent to the front oven, and the side surface of one side of the supporting bars, which is adjacent to the rear oven, are vertical planes.

6. The heating and drying device for the laminating machine according to claim 1, wherein the central axes of the heating pipes in the front oven are all on the same circumferential surface parallel to the outer circumferential surface of the drying roller, and the central axes of the heating pipes in the rear oven are all on the same circumferential surface parallel to the outer circumferential surface of the drying roller.

7. The heating and drying device for the laminating machine according to claim 3, wherein telescopic cylinders are rotatably connected between the top of one side of the front oven, which is far away from the corresponding supporting bar, and the machine frame, and between the top of one side of the rear oven, which is far away from the corresponding supporting bar, and the machine frame.

8. The heating and drying device for the laminating machine according to claim 7, wherein the connection structure of the telescopic cylinder and the frame is as follows: a cylinder supporting shaft fixedly connected with a rack is arranged above the top of the front oven close to one side corresponding to the supporting bar and above the top of the rear oven close to one side corresponding to the supporting bar, the axial direction of the cylinder supporting shaft is parallel to the axial direction of the drying roller, both axial ends of the cylinder supporting shaft are fixedly connected with the rack through supporting vertical rods, a universal connecting block is arranged on the cylinder supporting shaft, and the corresponding end of the telescopic cylinder is rotatably connected with the cylinder supporting shaft through the universal connecting block;

9. The heating and drying device for the laminating machine according to claim 2, wherein an air inlet of the blowing fan mounted on the front drying box is communicated with the air draft air duct through a connecting air pipe.

10. The heating and drying device for the laminating machine according to claim 3, wherein the front oven is hinged to the top ends of the corresponding sides of the supporting bars through hinges, and the rear oven is hinged to the top ends of the corresponding sides of the supporting bars through hinges.