CN219927258U - Following speed fixed-distance film pressing structure - Google Patents

Abstract

The utility model belongs to the technical field of laminating machines, and particularly relates to a heel-speed fixed-distance film pressing structure. The following speed fixed-distance film pressing structure comprises a paper feeding conveyor belt, a film pressing device and a film pressing device, wherein the paper feeding conveyor belt is used for conveying paper to be coated; the unreeling machine is used for placing the rolled film; the hot pressing roller is arranged at one side of the unreeling machine, a rolled film transmission path is formed between the hot pressing roller and the unreeling machine, and the hot pressing roller is used for rotating along the axial direction of the hot pressing roller so as to press and cover the rolled film on a paper piece to be coated; the adjusting mechanism comprises a transmission piece and a floating guide roller, wherein the floating guide roller is connected with the transmission piece, the coiled film is sequentially connected with the floating guide roller and the hot-press roller, the transmission piece is used for driving the floating guide roller to move along a first direction, and the first direction is intersected with the coiled film transmission path. The utility model can solve the technical problem that the film laminating machine in the prior art cannot be suitable for the working conditions of various film laminating speeds.

Description

Following speed fixed-distance film pressing structure

Technical Field

The utility model belongs to the technical field of laminating machinery, and particularly relates to a heel-speed fixed-distance film pressing structure.

Background

After the paper is printed, a transparent film is required to be adhered to the surface of the paper with the patterns so as to protect the patterns on the surface of the paper and reduce the abrasion of the patterns on the surface of the paper, and a film laminating machine is equipment for pressing and adhering the film on the surface of the paper.

The film laminating machine generally heats the film through the hot-pressing roller and presses the film on the paper, and because the hot-pressing roller needs to be adjusted to different rotating speeds under different working conditions, in the traditional film laminating machine, the wrap angles on the hot-pressing roller of the film are all the same, when the hot-pressing roller rotates at a high speed, the film is fast in speed, and in order to ensure that the film can be heated to a set temperature by the hot-pressing roller, the wrap angles of the film on the hot-pressing roller need to be increased, namely the heated area of the film is increased. When the same wrap angle rotates at a low speed, the film is heated for a long time on the hot pressing roller, namely, the heating time is long, the heating is much, the temperature of the film is high, the film is contracted and the film is lifted, and the film laminating quality is poor. On the contrary, in order to adapt to the film coating at a low speed, the wrap angle of the film on the hot press roller needs to be small, so that the heating time of the film is insufficient at a high speed and cannot reach the set temperature, and the film is not dried, so that the film and paper are combined with each other seriously after the film coating, therefore, the traditional film coating machine usually can only operate in a relatively small speed range even under a single speed working condition, and cannot adapt to the working condition of various film coating speeds, and the technical problems need to be solved.

Disclosure of Invention

The embodiment of the utility model aims to provide a follow-up speed fixed-distance film pressing structure so as to solve the technical problem that a film laminating machine in the prior art cannot be suitable for working conditions of various film laminating speeds.

In order to achieve the above purpose, the utility model adopts the following technical scheme: provides a follow-up speed fixed-distance film pressing structure, which comprises:

the paper feeding conveyor belt is used for conveying paper pieces to be coated;

the unreeling machine is used for placing the rolled film;

the hot pressing roller is arranged at one side of the unreeling machine, a rolled film transmission path is formed between the hot pressing roller and the unreeling machine, and the hot pressing roller is used for rotating along the axial direction of the hot pressing roller so as to press and cover the rolled film on a paper piece to be coated;

the adjusting mechanism comprises a transmission piece and a floating guide roller, wherein the floating guide roller is connected with the transmission piece, the coiled film is sequentially connected with the floating guide roller and the hot-pressing roller, and the transmission piece is used for driving the floating guide roller to move along a first direction so as to deviate or recover the coiled film from the coiled film transmission path, and further adjust the wrap angle between the coiled film and the hot-pressing roller;

the first direction is intersected with the rolled film transmission path.

Optionally, the adjustment mechanism further comprises a guide;

the guide piece is provided with a sliding groove extending along a first direction, and at least one end of the floating guide roller is slidingly guided by the sliding groove.

Optionally, the transmission member includes a cylinder and an output shaft;

one end of the output shaft is connected with the floating guide roller, the other end of the output shaft is connected with the air cylinder, and the output shaft is used for stretching and contracting along the axial direction of the output shaft under the action of the air cylinder.

Optionally, the floating guide roller is made of aluminum.

Optionally, the heel speed fixed-distance film pressing structure further comprises an intermediate guide roller;

the middle guide roller is arranged between the floating guide roller and the unreeling machine and is positioned at one side of the hot-pressing roller, and the coiled film is sequentially connected with the middle guide roller, the floating guide roller and the hot-pressing roller.

Optionally, the middle guide roller is provided with an arc-shaped surface along the axial direction of the middle guide roller, and the cross-sectional area of two ends of the middle guide roller is smaller than that of the middle area of the middle guide roller.

Optionally, the follow-up speed fixed-distance film pressing structure further comprises a preheating roller;

the preheating roller is arranged between the unreeling machine and the middle guide roller so as to preheat the rolled film.

Optionally, the heel speed fixed-distance film pressing structure further comprises a pressure bearing roller;

the film rolling device comprises a hot pressing roller, a film rolling device, a film pressing roller, a hot pressing roller and a support structure, wherein a passing gap between the film rolling device and the paper to be coated is formed between the film rolling roller and the hot pressing roller, and the film rolling roller is used for pressing the film rolling device to the support structure on the paper to be coated by the hot pressing roller.

Optionally, the following speed fixed-distance film pressing structure further comprises a paper pressing roller;

the paper pressing roller is arranged at the tail end of the paper feeding conveyor belt and is used for pressing the paper piece to be coated.

Optionally, the cylinder is an adjustable fixed-stroke cylinder.

The heel speed fixed-distance film pressing structure provided by the utility model has the beneficial effects that: compared with the prior art, the following speed fixed-distance film pressing structure provided by the utility model comprises a paper feeding conveyer belt, an unreeling machine, a hot pressing roller and an adjusting mechanism. The utility model relates to a roll film rolling and pressing structure, which is characterized in that a paper feeding conveyor belt is used for conveying a paper piece to be coated, an unreeling machine is used for placing a roll film, a hot pressing roller is arranged on one side of the unreeling machine, a roll film conveying path is formed between the hot pressing roller and the unreeling machine, the hot pressing roller is used for axially rotating along the hot pressing roller to press the roll film onto the paper piece to be coated, an adjusting mechanism comprises a transmission piece and a floating guide roller, the floating guide roller is connected to the transmission piece, the transmission piece is used for driving the floating guide roller to move along a first direction, so that the roll film deviates from or returns to the roll film conveying path, and the wrap angle between the roll film and the hot pressing roller is adjusted.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an overall structure of a heel-speed fixed-distance film pressing structure according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

wherein, each reference sign in the figure: 100. a paper feed conveyor belt; 200. an unreeling machine; 300. film rolling; 400. a hot press roll; 500. a transmission member; 501. a cylinder; 502. an output shaft; 600. a floating guide roller; 700. a guide member; 701. a chute; 800. a middle guide roller; 900. a preheating roller; 1000. a pressure bearing roller; 1100. a platen roller.

Description of the embodiments

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model 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 for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 2, a following-speed fixed-distance film pressing structure provided by an embodiment of the utility model will now be described. The following speed fixed-distance film pressing structure comprises a paper feeding conveyer belt, an unreeling machine 200, a hot pressing roller 400 and an adjusting mechanism. The paper feeding conveyor belt 100 is used for conveying a paper piece to be coated, the unreeling machine 200 is used for placing a rolled film 300, the hot pressing roller 400 is arranged on one side of the unreeling machine 200, a rolled film 300 conveying path is formed between the hot pressing roller 400 and the unreeling machine 200, and the hot pressing roller 400 is used for rotating along the axial direction of the hot pressing roller 400 so as to press and coat the rolled film 300 on the paper piece to be coated;

the adjusting mechanism comprises a transmission member 500 and a floating guide roller 600, wherein the floating guide roller 600 is connected to the transmission member 500, and the film 300 is sequentially connected to the floating guide roller 600 and the hot press roller 400. The driving member 500 in this embodiment is used to drive the floating guide roller 600 to move in the first direction. According to this structure, when the floating guide roller 600 moves in the first direction, the roll film 300 between the unwinder 200 and the heat pressing roller 400 can be driven to deviate from or return to the roll film 300 transporting path, whereby the wrap angle between the roll film 300 and the heat pressing roller 400 can be adjusted. The first direction in this embodiment is disposed to intersect the transport path of the rolled film 300.

It can be appreciated that, when the following speed fixed-distance film pressing structure provided in the present embodiment is operated at a high speed by the hot pressing roller 400, the floating guide roller 600 can be moved in the first direction by the adjusting mechanism, so as to adjust the deviation degree of the film 300 from the conveying path of the film 300, so that a larger wrap angle is formed between the film 300 and the hot pressing roller 400, the contact area between the film 300 and the hot pressing roller 400 is increased, and the film 300 can reach the preset temperature range under the heating condition of a short time. When the film coating speed needs to be reduced, the floating guide roller 600 can be moved in the opposite direction, so that a smaller wrap angle is formed between the film roll 300 and the hot-press roller 400, the contact area between the film roll 300 and the hot-press roller 400 is reduced, and the film roll 300 can be kept within a preset temperature range under a relatively long-time heating condition, so that the film coating effect is ensured. In this embodiment, the degree of deviation of the rolled film 300 from the conveying path of the rolled film 300 is adjusted by the adjusting mechanism, so that the wrap angle between the rolled film 300 and the hot pressing roller 400 can be conveniently adjusted, and the heating degree of the rolled film 300 is further controlled, so that the heating range of the rolled film 300 is always kept within a reasonable range, which is far superior to the prior art.

Referring to fig. 1-2, in another embodiment of the utility model, the adjusting mechanism further includes a guide 700. Specifically, the guide member 700 is provided with a sliding groove 701 extending in a first direction, at least one end of the floating guide roller 600 is slidingly guided by the sliding groove 701, and a bearing is generally mounted at an end of the floating guide roller 600, and the bearing is engaged with the sliding groove 701, thereby realizing low friction sliding guide to ensure guide accuracy. By providing the guide 700, the moving path of the floating guide roller 600 can be made more accurate, so that the wrap angle between the roll film 300 and the heat and pressure roller 400 in this embodiment can be precisely adjusted. In addition, in this embodiment, by arranging the guide member 700, a certain support can be formed for the floating guide roller 600, so that the structural strength of the floating guide roller 600 is enhanced, and the heel speed fixed-distance film pressing structure provided in this embodiment can stably operate for a long time.

Referring to fig. 1, in another embodiment of the present utility model, a transmission 500 includes a cylinder 501 and an output shaft 502; one end of the output shaft 502 is connected to the floating guide roller 600, the other end is connected to the air cylinder 501, and the output shaft 502 is used for expanding and contracting along the axial direction of the output shaft under the action of the air cylinder 501. According to this structure, the following speed fixed-distance film pressing structure provided in this embodiment can conveniently adjust the expansion degree of the output shaft 502 through the air cylinder 501, so as to conveniently control the displacement of the floating guide roller 600 flexibly moving in the first direction, the air cylinder 501 in this embodiment adopts an adjustable fixed-distance air cylinder, so that the output shaft 502 has adjustable different stretching degrees, and further the following speed fixed-distance film pressing structure provided in this embodiment can be conveniently applied to the film covering working conditions under high speed, medium speed and low speed, and of course, the air cylinder can also be replaced by a transmission device driven by a servo motor to drive the stretching degree of the output shaft 502 so as to control the displacement of the floating guide roller 600 in the first direction.

Referring to fig. 1-2, in another embodiment of the present utility model, the floating guide roller 600 is made of aluminum. The floating guide roller 600 in the embodiment is made of aluminum, so that the whole weight of the floating guide roller 600 is reduced, and the transmission member 500 can conveniently drive the floating guide roller 600 to move; on the other hand, the structural strength of the floating guide roller 600 can be well ensured, and a longer lifetime can be provided.

Referring to fig. 1, in another embodiment of the present utility model, the heel speed fixed-distance film pressing structure further includes an intermediate guide roller 800; the intermediate guide roller 800 is disposed between the floating guide roller 600 and the unwinder 200 at one side of the thermo roll 400, and the roll film 300 is sequentially connected to the intermediate guide roller 800, the floating guide roller 600, and the thermo roll 400. By arranging the intermediate guide roller 800 in this embodiment, the angle of the rolled film 300 entering the hot press roller 400 can be changed by the intermediate guide roller 800 before the floating guide roller 600, so that the moving range of the floating guide roller 600 can be effectively reduced, the adjusting precision of the floating guide roller 600 can be improved, and the space occupation of the whole device can be reduced.

On the basis of the above-described embodiment provided with the intermediate guide roller 800, referring to fig. 1, in another embodiment of the present utility model, the intermediate guide roller 800 is further provided to have an arc-shaped surface in the axial direction thereof, and the cross-sectional area of both ends of the intermediate guide roller 800 is smaller than the cross-sectional area of the intermediate region of the intermediate guide roller 800. According to this structure, after the rolled film 300 passes through the middle guide roller 800, since the middle guide roller 800 has a structure in which the middle diameter is large and the two ends are small and the middle and the two ends are smoothly connected with each other, when the rolled film 300 unwound from the unwinder 200 passes through the surface of the middle guide roller 800, the arc surface structure will pull the breadth of the rolled film 300 from the middle to the two sides, thereby realizing the further flattening of the rolled film 300 automatically, avoiding the occurrence of wrinkles on the surface of the rolled film 300 and resulting in poor film covering effect.

Referring to fig. 1, in another embodiment of the present utility model, the following-speed fixed-distance film pressing structure further includes a preheating roller 900; a preheating roll 900 is provided between the unwinder 200 and the intermediate guide roll 800 to preheat the roll film 300. In this embodiment, by setting the preheating roller 900, on one hand, the rolled film 300 can be preheated before reaching the hot pressing roller 400, so as to reduce the contact time between the hot pressing roller 400 and the rolled film 300, and make the effect of the wrap angle between the rolled film 300 and the hot pressing roller 400 on the heating effect of the rolled film 300 more obvious. On the other hand, the technical problem of poor film coating caused by long-time heating of the rolled film 300 by the hot press roller 400 can be avoided.

Referring to fig. 1, in another embodiment of the present utility model, the follow-up and constant-speed film pressing structure further includes a pressure roller 1000, a passing gap between the pressure roller 1000 and the hot pressing roller 400 forms a film 300 and a paper to be coated, and the pressure roller 1000 is a supporting structure for the hot pressing roller 400 to press the film 300 onto the paper to be coated. By providing the pressure roller 1000 in this embodiment, a good support can be formed for the paper to be coated and the rolled film 300, and further the film coating effect can be ensured.

Referring to fig. 1, in another embodiment of the present utility model, the following-speed fixed-distance film pressing structure further includes a platen roller 1100, where the platen roller 1100 is disposed at the end of the paper feeding conveyor belt for pressing the paper to be coated. According to this structure, in the following-speed fixed-distance film pressing structure provided in this embodiment, after the paper to be coated passes through the platen roller 1100, on one hand, the surface of the paper to be coated is smoother, on the other hand, the paper to be coated is prevented from tilting before entering between the pressure-bearing roller 1000 and the hot-pressing roller 400, so that the paper to be coated can enter between the pressure-bearing roller 1000 and the hot-pressing roller 400 stably and reliably to realize film coating action, and the laminating effect of the paper to be coated and the film 300 can be further improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a with fast fixed distance press mold structure which characterized in that includes:

a paper feeding conveyor belt (100) for conveying paper to be coated;

an unwinder (200) for placing a rolled film (300);

the hot pressing roller (400) is arranged on one side of the unreeling machine (200), a rolled film (300) transmission path is formed between the hot pressing roller (400) and the unreeling machine (200), and the hot pressing roller (400) is used for rotating along the axial direction of the hot pressing roller so as to press and cover the rolled film (300) on a paper piece to be coated;

the adjusting mechanism comprises a transmission piece (500) and a floating guide roller (600), wherein the floating guide roller (600) is connected to the transmission piece (500), the coiled film (300) is sequentially connected to the floating guide roller (600) and the hot-pressing roller (400), and the transmission piece (500) is used for driving the floating guide roller (600) to move along a first direction so as to enable the coiled film (300) to deviate from or return to a conveying path of the coiled film (300), and then the wrap angle between the coiled film (300) and the hot-pressing roller (400) is adjusted;

the first direction is disposed intersecting the roll film (300) transport path.

2. The heel-speed fixed-distance film pressing structure according to claim 1, wherein:

the adjustment mechanism further comprises a guide (700);

the guide (700) is provided with a chute (701) extending in a first direction, and at least one end of the floating guide roller (600) is slidingly guided by the chute (701).

3. The heel-speed fixed-distance film pressing structure according to claim 2, wherein:

the transmission member (500) comprises a cylinder (501) and an output shaft (502);

one end of the output shaft (502) is connected with the floating guide roller (600), the other end of the output shaft is connected with the air cylinder (501), and the output shaft (502) is used for stretching and contracting along the axial direction of the output shaft under the action of the air cylinder (501).

4. A heel speed fixed-distance film pressing structure according to any one of claims 1-3, wherein:

the floating guide roller (600) is made of aluminum.

5. A heel speed fixed-distance film pressing structure according to any one of claims 1-3, wherein:

the following speed fixed-distance film pressing structure also comprises a middle guide roller (800);

the middle guide roller (800) is arranged between the floating guide roller (600) and the unreeling machine (200) and is positioned on one side of the hot-pressing roller (400), and the coiled film (300) is sequentially connected with the middle guide roller (800), the floating guide roller (600) and the hot-pressing roller (400).

6. The heel-speed fixed-distance film pressing structure according to claim 5, wherein:

the middle guide roller (800) is provided with an arc-shaped surface along the axial direction of the middle guide roller (800), and the cross-sectional area of the two ends of the middle guide roller (800) is smaller than that of the middle area of the middle guide roller (800).

7. The heel-speed fixed-distance film pressing structure according to claim 6, wherein:

the following speed fixed-distance film pressing structure further comprises a preheating roller (900);

the preheating roller (900) is disposed between the unwinder (200) and the intermediate guide roller (800) to preheat the roll film (300).

8. The heel-speed fixed-distance film pressing structure according to claim 1, wherein:

the following speed fixed-distance film pressing structure also comprises a pressure bearing roller (1000);

and a passing gap between the film rolling (300) and the paper to be coated is formed between the pressure-bearing roller (1000) and the hot-pressing roller (400), wherein the pressure-bearing roller (1000) is a supporting structure for the hot-pressing roller (400) to press and coat the film rolling (300) onto the paper to be coated.

9. The heel-speed fixed-distance film pressing structure according to claim 1, wherein:

the following speed fixed-distance film pressing structure also comprises a paper pressing roller (1100);

the platen roller (1100) is arranged at the tail end of the paper feeding conveyor belt and is used for pressing the paper to be coated.

10. A heel-strike-through film pressing structure according to claim 3, wherein:

the cylinder (501) is an adjustable fixed-stroke cylinder.