CN215704211U

CN215704211U - Online film laminating mechanism

Info

Publication number: CN215704211U
Application number: CN202121447341.5U
Authority: CN
Inventors: 王显旺
Original assignee: Baoding Shengtong Building Materials Technology Development Co ltd
Current assignee: Baoding Shengtong Building Materials Technology Development Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-02-01
Anticipated expiration: 2031-06-28

Abstract

The utility model provides an online film covering mechanism which comprises a bracket, a first roller group, a second roller group and an oil heater, wherein the bracket is fixedly connected with the first roller group; two mounting racks are arranged at one end of the bracket at intervals up and down and are respectively used for bearing the film roll; the first roller group comprises two first hollow rollers which are arranged at intervals up and down, one end of each first hollow roller is provided with a first oil inlet joint communicated with the inner cavity of the first hollow roller, and the other end of each first hollow roller is provided with a first oil outlet joint communicated with the inner cavity of the first hollow roller; the second roller group comprises two second hollow rollers which are arranged at intervals up and down, one end of each second hollow roller is provided with a second oil inlet joint communicated with the inner cavity of the second hollow roller, the other end of each second hollow roller is provided with a second oil outlet joint communicated with the inner cavity of the second hollow roller, and the second oil outlet joint is connected with the first oil inlet joint through an oil pipe; the high-temperature oil outlet end of the oil heater is connected with the second oil inlet joint, and the low-temperature oil return end is connected with the first oil outlet joint. The online film covering mechanism provided by the utility model has the advantages of simple structure, low cost, high heat utilization rate of heat conduction oil and capability of reducing the production cost.

Description

Online film laminating mechanism

Technical Field

The utility model belongs to the technical field of laminating equipment, and particularly relates to an online laminating mechanism.

Background

The on-line film covering refers to that a plate enters between rollers on a conveying line, a film covering layer is pressed on the surface of the plate through heating and rolling, at present, a common on-line film covering mechanism has two forms of single-side film covering and double-side simultaneous film covering according to actual needs, both the two forms of the single-side film covering and the double-side simultaneous film covering are used for film covering through a heating press roller, the specific heating modes of the press roller are provided with a built-in electric heating tube, heat conduction oil heating modes, electromagnetic heating modes and the like, in the actual production process, when the plastic material is subjected to on-line film covering, the heat conduction oil heating modes are most stable, but when the current film covering mechanism adopts heat conduction oil heating, if only one hot roller is arranged for rolling, the required temperature on the plate cannot be obtained, if a plurality of hot rollers are arranged for gradually raising the temperature and rolling, each hot roller is respectively connected with different oil heaters, so that the temperatures of different hot rollers are obtained, and the structure is complex, the cost is high, the utilization rate of the monomer oil heater is low, and the heat of the heat conduction oil cannot be fully utilized, so that a large amount of power loss and resource waste are generated.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an online film laminating mechanism, and aims to solve the problems that an online film laminating mechanism adopted in the prior art is complex in structure, high in cost and low in heat utilization rate of heat conduction oil.

In order to achieve the purpose, the utility model adopts the technical scheme that: providing an online film covering mechanism, which comprises a bracket, a first roller group, a second roller group and an oil heater; one end of the bracket is used for being connected with an input line of the plate to be coated, and the other end of the bracket is used for being connected with an output line of the plate to be coated; two mounting frames are arranged at the upper end and the lower end of one end, close to an input line of the plate to be coated, of the support at intervals, and the two mounting frames are respectively positioned above and below the plate to be coated and are respectively used for bearing film rolls; the first rotating roller group is connected to the support along the axial direction of the film roll and comprises two first hollow rollers which are arranged at intervals up and down, the two first hollow rollers are respectively used for rolling the upper surface and the lower surface of the film-coated plate, one end of each first hollow roller is provided with a first oil inlet joint communicated with the inner cavity of the first hollow roller, and the other end of each first hollow roller is provided with a first oil outlet joint communicated with the inner cavity of the first hollow roller; the second rotating roller group is arranged on the bracket and horizontally arranged behind the first rotating roller group at intervals along the conveying direction of the input line of the plate to be coated, the second rotating roller group comprises two second hollow rollers which are arranged at intervals up and down, and the two second hollow rollers are respectively used for rolling the upper plate surface and the lower plate surface of the plate to be coated; one end of the second hollow roller is provided with a second oil inlet joint communicated with the inner cavity of the second hollow roller, the other end of the second hollow roller is provided with a second oil outlet joint communicated with the inner cavity of the second hollow roller, and the second oil outlet joint is connected with the first oil inlet joint through an oil pipe; the oil heater is arranged on the side of the support, the high-temperature oil outlet end is connected with the second oil inlet joint, and the low-temperature oil return end is connected with the first oil outlet joint.

In one possible implementation manner, each of the first hollow roller and the second hollow roller comprises a roller with two open ends, a first end cover connected to one end of the roller in a sealing manner, and a second end cover connected to the other end of the roller in a sealing manner; the center of the first end cover is provided with a first hollow shaft extending along the axial direction of the roller, and the first oil outlet joint or the second oil inlet joint is hermetically connected to the shaft end of the first hollow shaft; a second hollow shaft extending along the axial direction of the roller is arranged in the center of the second end cover, and a second oil outlet joint or a first oil inlet joint is hermetically connected to the shaft end of the second hollow shaft; the first hollow shaft is rotatably connected with one side wall of the bracket close to the oil heater, and the second hollow shaft is rotatably connected with the other side wall of the bracket.

In some embodiments, the first oil inlet joint, the first oil outlet joint, the second oil inlet joint and the second oil outlet joint are all hydraulic rotary joints.

In a possible implementation mode, the first roller group and the second roller group are connected with a driving assembly, and the driving assembly is used for driving the two first hollow rollers to rotate reversely and driving the two second hollow rollers to rotate reversely.

Illustratively, the drive assembly includes four gears, two first sprockets, and a motor; two of the four gears are respectively sleeved at the shaft ends on the same side of the two first hollow rollers and are correspondingly meshed with each other, and the other two gears are respectively sleeved at the shaft ends on the same side of the two second hollow rollers and are correspondingly meshed with each other; the two first chain wheels are respectively sleeved at the shaft ends of the first hollow roller positioned below and the second hollow roller positioned below; the motor is arranged on the support, the output end of the motor is sleeved with a second chain wheel, and the second chain wheel is meshed with the two first chain wheels through chains.

In one possible implementation manner, the mounting rack comprises two supporting components and a rotating shaft; wherein, the two supporting components are arranged on the bracket at intervals along the axial direction of the film roll; the two ends of the rotating shaft are respectively and rotatably connected with the two supporting components and are used for being arranged in the core shaft of the film roll in a penetrating mode.

In some embodiments, the support assembly comprises a support bar and a seat plate; the supporting rod is fixedly connected with the support and extends along the outer side of the support along the conveying direction of the input line of the plate to be coated; the seat board is fixedly connected with the extending end of the supporting rod, and the top end of the seat board is downwards provided with a U-shaped notch used for bearing the rotating shaft.

Illustratively, a damping wheel is rotatably connected to at least one seat plate of each support assembly, and the damping wheel is in rolling interference with the peripheral wall of the rotating shaft.

The online film covering mechanism provided by the utility model has the beneficial effects that: compared with the prior art, the on-line film coating mechanism has the advantages that when a plate to be coated with a film passes through the two mounting frames under the drive of an input line of the plate to be coated, the two film rolls mounted on the two mounting frames respectively disperse the film on the upper and lower plate surfaces of the plate to be coated, then the coated plate sequentially passes through the first roller group and the second roller group to be heated and pressed, high-temperature heat conduction oil output by an oil heater firstly enters the two second hollow rollers to enable the two second hollow rollers to obtain the process temperature required by the film coating, and then enters the two first hollow rollers after being discharged by the second hollow rollers, so that the temperature obtained by the two first hollow rollers is lower than the process temperature of the film coating, the heat conduction oil returns to the oil heater after being discharged by the two first hollow rollers to be circularly heated, and the first hollow rollers can be heated by using the residual temperature of the heat conduction oil after being discharged from the second hollow rollers, thereby make two first cavity rollers preheat tectorial membrane panel, need not additionally to set up and be used for carrying out the oil heater who preheats to first cavity roller to simplified overall structure, reduced equipment cost, make the heat of conduction oil obtain make full use of simultaneously, reduced heat loss and equipment operation consumption, thereby can reduction in production cost.

Drawings

Fig. 1 is a schematic perspective view of an online film covering mechanism according to an embodiment of the present invention;

FIG. 2 is a heat transfer oil circulation route diagram of an on-line film covering mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a first hollow roller used in the practice of the present invention;

FIG. 4 is a schematic diagram of a second hollow roller used in the practice of the present invention;

FIG. 5 is a schematic side view of an on-line film covering mechanism according to an embodiment of the present invention;

fig. 6 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a support; 10. a mounting frame; 101. a support assembly; 1011. a support bar; 1012. a seat plate; 1013. a U-shaped notch; 102. a rotating shaft; 103. a damping wheel; 2. a first roller group; 20. a first hollow roller; 201. a first oil feed connection; 202. a first oil outlet joint; 21. a drum; 210. a heating cavity; 211. an oil guide sleeve; 22. a first end cap; 221. a first hollow shaft; 23. a second end cap; 231. a second hollow shaft; 3. a second turning roll group; 30. a second hollow roller; 301. a second oil feed connection; 302. a second oil outlet joint; 303. an oil pipe; 31. a drive assembly; 311. a gear; 312. a first sprocket; 313. a motor; 3131. a second sprocket; 314. a chain; 4. an oil heater; 5. and (4) rolling the film.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 and fig. 2, an on-line film coating mechanism according to the present invention will now be described. The online film laminating mechanism comprises a bracket 1, a first roller group 2, a second roller group 3 and an oil heater 4; one end of the support 1 is used for being connected with an input line of a plate to be coated, and the other end of the support is used for being connected with an output line of the plate to be coated; two mounting frames 10 are arranged at the upper end and the lower end of the bracket 1 close to the input line of the plate to be coated at intervals, and the two mounting frames 10 are respectively positioned above and below the plate to be coated and are respectively used for receiving the film roll 5; the first roller group 2 is connected to the support 1 along the axial direction of the film roll 5 and comprises two first hollow rollers 20 which are arranged at intervals up and down, the two first hollow rollers 20 are respectively used for rolling the upper and lower plate surfaces of the film-coated plate, one end of each first hollow roller 20 is provided with a first oil inlet joint 201 communicated with the inner cavity of the first hollow roller, and the other end of each first hollow roller 20 is provided with a first oil outlet joint 202 communicated with the inner cavity of the first hollow roller; the second roller group 3 is arranged on the support 1 and is horizontally arranged behind the first roller group 2 at intervals along the conveying direction of the input line of the plate to be coated, the second roller group 3 comprises two second hollow rollers 30 which are arranged at intervals up and down, and the two second hollow rollers 30 are respectively used for rolling the upper plate surface and the lower plate surface of the coated plate; one end of the second hollow roller 30 is provided with a second oil inlet joint 301 communicated with the inner cavity of the second hollow roller, the other end of the second hollow roller is provided with a second oil outlet joint 302 communicated with the inner cavity of the second hollow roller, and the second oil outlet joint 302 is connected with the first oil inlet joint 201 through an oil pipe 303; the oil heater 4 is arranged on the side of the bracket 1, the high-temperature oil outlet end is connected with the second oil inlet joint 301, and the low-temperature oil return end is connected with the first oil outlet joint 202.

It should be noted that the oil heater 4 is a heater specialized for heating oil-based liquid (heat conduction oil), and may specifically be any manner such as electromagnetic heating, electric heating tube heating, etc., without limitation, and the heating temperature of the heat conduction oil may be realized by a temperature sensor arranged in a heating oil tank.

The utility model provides an online film covering mechanism, which has the working mode that: it should be understood that the first roller set 2 and the second roller set 3 have independent or shared power mechanisms, when performing film covering operation, firstly, the end portion of the film roll 5 should be manually attached to the plate surface of the plate material to be covered with film, and after the film roll is fed into the first roller set 2 in an auxiliary manner (i.e. the end portion of the film passes through between the two first hollow rollers 20), the rotation of the two first hollow rollers 20 can be used for driving the film covered plate to move, and at the same time, the film roll 5 is driven to automatically unwind; because the temperature of the first hollow roller 20 is lower than the temperature of the film coating process, the surface temperature of the film coated plate is preheated in the process of passing through the first roller group 2, and then when the film coated plate passes through the two second hollow rollers 30, the surface temperature of the film coated plate can be further increased to be consistent with the temperature of the second hollow rollers 30 (namely the temperature required by the film coating process), so that the film layer and the plate surface are pressed into a whole, and the film coating is completed.

Compared with the prior art, when a plate to be coated with a film passes between two mounting frames 10 under the drive of an input line of the plate to be coated, two film rolls 5 mounted on the two mounting frames 10 respectively disperse films on the upper and lower plate surfaces of the plate to be coated, then the plate to be coated is heated and pressed by a first roller group 2 and a second roller group 3 in sequence, because high-temperature heat conduction oil output by an oil heater 4 firstly enters two second hollow rollers 30, the two second hollow rollers 30 obtain the process temperature required by coating, and then enters the two first hollow rollers 20 after being discharged by the second hollow rollers 30, the temperature obtained by the two first hollow rollers 20 is lower than the process temperature of coating, the heat conduction oil flows back into the oil heater 4 after being discharged by the two first hollow rollers 20 to be circularly heated, so that the first hollow rollers 20 can be heated by the residual temperature after the heat conduction oil is discharged from the second hollow rollers 30, thereby make two first cavity rollers 20 preheat tectorial membrane panel, need not additionally to set up and be used for carrying out the oil heater 4 that preheats to first cavity roller 20 to overall structure has been simplified, equipment cost has been reduced, makes the heat of conduction oil obtain make full use of simultaneously, has reduced heat loss and equipment operation consumption, thereby can reduction in production cost.

In one possible implementation, referring to fig. 2 to 4, each of the first hollow roller 20 and the second hollow roller 30 includes a drum 21 having both ends open, a first end cap 22 hermetically connected to one end of the drum 21, and a second end cap 23 hermetically connected to the other end of the drum 21; a first hollow shaft 221 extending along the axial direction of the drum 21 is arranged in the center of the first end cover 22, and the first oil outlet joint 202 or the second oil inlet joint 301 is hermetically connected to the shaft end of the first hollow shaft 221; a second hollow shaft 231 extending along the axial direction of the roller 21 is arranged in the center of the second end cover 23, and the second oil outlet joint 302 or the first oil inlet joint 201 is hermetically connected to the shaft end of the second hollow shaft 231; the first hollow shaft 221 is rotatably connected to one sidewall of the bracket 1 near the oil heater 4, and the second hollow shaft 231 is rotatably connected to the other sidewall of the bracket 1.

It should be noted that the high-temperature oil outlet end of the oil heater 4 should be connected to the two second oil inlet joints 301 respectively, specifically, the two second oil outlet joints 302 are connected to the two first oil inlet joints 201 respectively in parallel through a tee joint, that is, the first turning roll group 2 and the second turning roll group 3 are connected in series as a whole, and the two second hollow rolls 30 and the two first hollow rolls 20 are connected in parallel.

The first oil outlet joint 202 and the second oil inlet joint 301, the second oil outlet joint 302 and the first oil inlet joint 201 are respectively positioned on the same side of the roller 21, and the first hollow shaft 221 is connected to one side of the bracket 1 close to the oil heater 4, so that the first oil outlet joint 202 and the second oil inlet joint 301 connected with the first hollow shaft 221 are closer to the oil heater 4, the length of the connecting oil pipe 303 can be shortened, and the heat loss generated in the process of passing heat conducting oil through the oil pipe 303 is reduced.

In the present embodiment, referring to fig. 3 and 4, an oil guide sleeve 211 is disposed inside the drum 21, a heating cavity 210 is formed between a peripheral wall of the oil guide sleeve 211 and an inner wall of the drum 21, and gaps suitable for heat conduction oil to flow are formed between two ends of the oil guide sleeve 211 and the first end cap 22 and the second end cap 23, respectively. Can guide the conduction oil through setting up the guide cover on the one hand and smoothly circulate inside the cylinder 21, on the other hand can ensure to reduce the quantity of conduction oil, improves fluid circulation rate to ensure the temperature balance of cylinder 21, improve and preheat and the tectorial membrane effect.

Specifically, the first oil inlet joint 201, the first oil outlet joint 202, the second oil inlet joint 301 and the second oil outlet joint 302 are all hydraulic rotary joints. The hydraulic rotary joint is used for conveying hydraulic medium between rotating mechanisms, and the first hollow shaft 221 and the second hollow shaft 231 are rotating parts, so that pipelines cannot rotate originally, the hydraulic rotary joint is used for connecting the pipelines with the first hollow shaft 221 and the second hollow shaft 231, the structure is simple and reliable, and the pipelines are convenient to connect.

In a possible implementation, referring to fig. 1 and 5, the first turning roll group 2 and the second turning roll group 3 are connected with a driving assembly 31, and the driving assembly 31 is used for driving the two first hollow rolls 20 to rotate reversely and simultaneously driving the two second hollow rolls 30 to rotate reversely. Two first hollow rollers 20 and two second hollow rollers 30 are driven simultaneously to rotate reversely through a driving assembly 31, so that the upper surface and the lower surface of the film-coated plate are rolled simultaneously, and the action synchronism is high.

Illustratively, referring to fig. 5, the driving assembly 31 includes four gears 311, two first sprockets 312, and a motor 313; two of the four gears 311 are respectively sleeved at the shaft ends on the same side of the two first hollow rollers 20 and are correspondingly engaged with each other, and the other two gears are respectively sleeved at the shaft ends on the same side of the two second hollow rollers 30 and are correspondingly engaged with each other; the two first chain wheels 312 are respectively sleeved at the same-side shaft ends of the first hollow roller 20 and the second hollow roller 30 which are positioned below; the motor 313 is disposed on the support 1, and the output end is sleeved with a second chain wheel 3131, and the second chain wheel 3131 is meshed with the two first chain wheels 312 through a chain 314. The second chain wheel 3131 is driven by the motor 313 to drive the two first chain wheels 312 to rotate in the same direction, so as to drive the first hollow roller 20 and the second hollow roller 30 located below to rotate in the same direction, and then the two first hollow rollers 20 and the two second hollow rollers 30 rotate in the same direction by using the gears 311 engaged up and down, so that the synchronous rotation of the two first hollow rollers 20 and the synchronous rotation of the two second hollow rollers 30 are realized, the structure is simple, the transmission is stable, and the high synchronization of the actions of the two first hollow rollers 20 and the two second hollow rollers 30 is ensured.

In a possible implementation manner, referring to fig. 1 and 6, the mounting frame 10 includes two supporting components 101 and a rotating shaft 102; wherein, the two supporting components 101 are arranged on the bracket 1 at intervals along the axial direction of the film roll 5; two ends of the rotating shaft 102 are respectively rotatably connected with the two supporting assemblies 101 and are used for penetrating into the core shaft of the film roll 5; specifically, the support assembly 101 includes a support rod 1011 and a seat plate 1012; the support rod 1011 is fixedly connected with the bracket 1 and extends along the outer side of the bracket 1 along the conveying direction of the input line of the plate to be coated; the seat plate 1012 is fixedly connected to the extending end of the supporting rod 1011, and has a U-shaped slot 1013 downward at the top end for receiving the rotating shaft 102.

When the film roll 5 is installed or replaced, the rotating shaft 102 can be directly lifted upwards, the two ends of the rotating shaft 102 are separated from the two U-shaped notches 1013 respectively, then the rotating shaft 102 is taken down, the two ends of the rotating shaft 102 are placed into the two U-shaped notches 1013 again after the rotating shaft 102 penetrates into the core shaft of the film roll 5, the rotating shaft 102 rotates on the seat plate 1012 to unreel, the structure is simple, and the film roll 5 is convenient to replace.

Illustratively, referring to fig. 6, the damping wheel 103 is rotatably connected to at least one seat plate 1012 of each support assembly 101, and the damping wheel 103 is in rolling contact with the peripheral wall of the rotating shaft 102. The damping wheel 103 can be one, or two or more damping wheels can be arranged at intervals along the circumferential direction of the rotating shaft 102, and a certain rotating damping force is applied to the film roll 5 through the interference of the damping wheel 103 and the circumferential wall of the rotating shaft 102, so that the film roll 5 is prevented from being unreeled too fast under the action of inertia to cause film folding.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. An online film covering mechanism, comprising:

one end of the bracket is used for being connected with an input line of the plate to be coated, and the other end of the bracket is used for being connected with an output line of the plate to be coated; two mounting racks are arranged at the upper end and the lower end of the bracket, close to the input line of the plate to be coated, at intervals, and the two mounting racks are respectively positioned above and below the plate to be coated and are respectively used for bearing film rolls;

the first roller group is connected to the support along the axial direction of the film roll and comprises two first hollow rollers which are arranged at intervals up and down, the two first hollow rollers are respectively used for rolling the upper surface and the lower surface of the film-coated plate, one end of each first hollow roller is provided with a first oil inlet joint communicated with the inner cavity of the first hollow roller, and the other end of each first hollow roller is provided with a first oil outlet joint communicated with the inner cavity of the first hollow roller;

the second rotating roller group is arranged on the bracket and is horizontally arranged behind the first rotating roller group at intervals along the conveying direction of the input line of the plate to be coated, the second rotating roller group comprises two second hollow rollers which are arranged at intervals up and down, and the two second hollow rollers are respectively used for rolling the upper plate surface and the lower plate surface of the plate to be coated; one end of the second hollow roller is provided with a second oil inlet joint communicated with the inner cavity of the second hollow roller, the other end of the second hollow roller is provided with a second oil outlet joint communicated with the inner cavity of the second hollow roller, and the second oil outlet joint is connected with the first oil inlet joint through an oil pipe;

and the oil heater is arranged on the side of the support, the high-temperature oil outlet end is connected with the second oil inlet joint, and the low-temperature oil return end is connected with the first oil outlet joint.

2. The in-line lamination mechanism of claim 1, wherein the first hollow roller and the second hollow roller each comprise:

a drum having both ends open;

the first end cover is connected to one end of the roller in a sealing mode, a first hollow shaft extending along the axial direction of the roller is arranged in the center of the first end cover, and the first oil outlet joint or the second oil inlet joint is connected to the shaft end of the first hollow shaft in a sealing mode;

the second end cover is connected to the other end of the roller in a sealing mode, a second hollow shaft extending along the axial direction of the roller is arranged in the center of the second end cover, and the second oil outlet joint or the first oil inlet joint is connected to the shaft end of the second hollow shaft in a sealing mode;

the first hollow shaft is rotatably connected with one side wall of the support close to the oil heater, and the second hollow shaft is rotatably connected with the other side wall of the support.

3. The on-line film covering mechanism according to claim 2, wherein the first oil inlet joint, the first oil outlet joint, the second oil inlet joint and the second oil outlet joint are all hydraulic rotary joints.

4. The on-line laminating mechanism of claim 1, wherein said first roller set and said second roller set are coupled to a drive assembly, said drive assembly being configured to rotate said first hollow rollers in opposite directions and said second hollow rollers in opposite directions.

5. The in-line lamination mechanism of claim 4, wherein the drive assembly comprises:

two gears are respectively sleeved at the shaft ends on the same side of the two first hollow rollers and are correspondingly meshed, and the other two gears are respectively sleeved at the shaft ends on the same side of the two second hollow rollers and are correspondingly meshed;

the two first chain wheels are respectively sleeved at the shaft ends of the first hollow roller positioned below and the second hollow roller positioned below;

the motor is arranged on the support, the output end of the motor is sleeved with a second chain wheel, and the second chain wheel is connected with the first chain wheel in a meshed mode through a chain.

6. The in-line laminating mechanism of any one of claims 1-5, wherein the mounting frame comprises:

the two supporting assemblies are arranged on the bracket at intervals along the axial direction of the film roll;

the two ends of the rotating shaft are respectively rotatably connected with the two supporting components and are used for being arranged in the core shaft of the film roll in a penetrating mode.

7. The in-line lamination mechanism of claim 6, wherein the support assembly comprises:

the supporting rod is fixedly connected with the bracket and extends along the outer side of the bracket along the conveying direction of the input line of the plate to be coated;

the seat board is fixedly connected with the extending end of the supporting rod, and the top end of the seat board is downwards provided with a U-shaped notch used for bearing the rotating shaft.

8. An in-line laminating mechanism according to claim 7, wherein a damping wheel is rotatably attached to at least one of said seat plates of each of said support assemblies, said damping wheel being in rolling contact with a peripheral wall of said shaft.