CN106276382A - Glue film feeding mechanism - Google Patents

Abstract

The invention discloses a film feeding mechanism which comprises a conveying module, a feeding module and a receiving module, wherein the conveying module comprises a conveying belt and a control unit, the feeding module comprises a film support and a guide wheel group, the receiving module comprises a film separating structure and a film guiding structure, a film is attached to the conveying belt during feeding, the film is driven to feed through the action of the conveying belt, and the control complexity of the feeding mechanism is reduced through the design change of the action and the configuration relation among the modules. The invention can also utilize the guide wheel group to extrude the bubbles when the adhesive film is attached, and can match with the leveling wheel to flatly attach the adhesive film on the conveyor belt, thereby maintaining the cutting quality of the adhesive film.

Description

Film feeding mechanism

technical field

The invention relates to automatic feeding technology, in particular to a film feeding mechanism.

Background technique

Attaching a layer of protective film on the surface of touch information products can achieve the purpose of dustproof and antifouling, and with the market expansion of touch information products such as smart phones and tablet computers, the demand for protective film has increased rapidly .

However, when the traditional film is laid on the cutting platform, it is easy to have wrinkles or air bubbles, which needs to be flattened or reshaped manually, and the production efficiency is low. Moreover, with the market competitiveness of information products, the speed of product replacement becomes faster, and the size of protective film and other consumables must also be customized. The production of film cutting must meet the production of batches of products in a short period of time to meet the needs of customization. Therefore, the feeding mechanism has become a necessary equipment to improve production efficiency.

However, most of the common feeding mechanisms at present adopt active drive, so that the film with extremely thin thickness is prone to warping and deformation after passing through the feeding roller. Under the demand of customization, the feeding mechanism must adapt to adjust the corresponding conveying rate according to different film materials, thus increasing the adjustment time of program parameters and increasing the production cost.

In addition, the structure of the existing feeding mechanism is complex and requires multiple driving sources to cooperate with each other. It is inevitable that the tension of the material will change during the film transportation, resulting in inaccurate product dimensions or cutting of the film material during the cutting process. cut loss.

Therefore, the prior art needs to be improved and improved.

Contents of the invention

In view of the shortcomings of the above-mentioned prior art, the object of the present invention is to provide an adhesive film feeding mechanism, which can reduce the probability of warping and deformation of the adhesive film.

In order to achieve the above object, the present invention has taken the following technical solutions:

A kind of film feeding mechanism, it comprises:

The conveying module is installed in the film cutting machine. The conveying module includes a conveyor belt and a control unit. The control unit is used to control the movement of the conveyor belt to convey the film;

The feeding module is set on one side of the film cutting machine. The feeding module includes a film support and a guide wheel set. The film support is used to place the film. The guide wheel set is set at the entrance of the conveyor belt. The film bracket passes through the gap of the guide wheel group and is attached to the conveyor belt; and

The receiving module is set on the other side of the film cutting machine. The receiving module includes a film separation structure and a film guiding structure. The film separation structure is set on the exit side of the conveyor belt for separation and attachment to The adhesive film of the conveyor belt, the adhesive film guide structure is used to guide the separated adhesive film for storage.

In the adhesive film feeding mechanism, the adhesive film is a multilayer film with at least two layers of structure.

In the adhesive film feeding mechanism, the set of guide wheels is used for pressing the adhesive film.

In the film feeding mechanism, the guide wheel set further includes a first adjustment mechanism for adjusting the gap distance of the guide wheel set.

In the adhesive film feeding mechanism, the feeding module further includes a leveling wheel, which is used to flatten the adhesive film on the conveyor belt.

In the film feeding mechanism, the leveling wheel further includes a second adjustment mechanism for adjusting the gap distance between the leveling wheel and the conveyor belt.

In the film feeding mechanism, the receiving module further includes a collecting device for storing the film.

In the film feeding mechanism, the material collecting device further includes a take-up unit for taking up the film.

In the film feeding mechanism, the take-up unit further includes a tension adjustment component for adjusting the take-up rate of the film.

Compared with the prior art, the adhesive film feeding mechanism provided by the present invention realizes attaching the adhesive film to the conveyor belt and driving the feeding of the adhesive film through the action of the conveyor belt. And by changing the guide wheel group from the original active operation mode to the driven rotation mode, the occurrence probability of film warping can be greatly reduced. Moreover, the present invention utilizes the driven guide wheel set to press at least two layers of composite film, and squeeze out the air bubbles generated during lamination to increase the yield of the film.

Description of drawings

Fig. 1 is a structural schematic diagram of the adhesive film feeding mechanism of the present invention.

Fig. 2 is a schematic diagram of the feeding action of the adhesive film feeding mechanism of the present invention.

Fig. 3 is a schematic three-dimensional structure diagram of the first embodiment of the adhesive film feeding mechanism of the present invention.

Fig. 4 is a side view of the first embodiment of the adhesive film feeding mechanism of the present invention.

Fig. 5 is a schematic diagram of the motion state of the second embodiment of the adhesive film feeding mechanism of the present invention.

detailed description

In order to make the object, technical solution and effect of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

The advantages, features and technical methods achieved by the present invention will be described in more detail with reference to exemplary embodiments and accompanying drawings to make it easier to understand, and the present invention may be implemented in different forms, so it should not be understood as being limited thereto The embodiments described here, on the contrary, for those skilled in the art, the provided embodiments will make this disclosure more thorough and comprehensive and completely convey the scope of the present invention, and the present invention will only be appended Defined by the patent scope of the application.

Please refer to Fig. 1 and Fig. 2 at the same time, the adhesive film feeding mechanism 100 of the present invention is erected on the adhesive film cutting machine 5, and the adhesive film 8 to be cut is automatically transported to the working area, and then the film cutting machine 5 is used for cutting The device 51 performs the cut to the desired size. During specific implementation, the cutting device 51 can be a cutting edge cutter or a laser device, and can cut the outline of the product according to the cutting path planning.

The film feeding mechanism 100 includes a conveying module 10 , a feeding module 20 and a receiving module 30 . As shown in Figure 1, described feeding module 20, conveying module 10 and receiving module 30 are all arranged on the adhesive film cutting machine 5, and wherein, conveying module 10 comprises conveyor belt 11 and control unit 12; The group 20 includes an adhesive film support 21 and a guide wheel set 22 ; the receiving module 30 includes an adhesive film separating structure 31 and an adhesive film guiding structure 32 .

The pre-feeding operation of the adhesive film 8 is to place the adhesive film 8 on the adhesive film support 21, and pass one end of the adhesive film 8 through the gap between the guide wheel sets 22 arranged at the inlet end of the conveyor belt 11, so that it is attached On the conveyor belt 11 , the movement of the conveyor belt 11 is controlled by controlling the control unit 12 of the conveyor module 10 to achieve the purpose of smoothly conveying the adhesive film 8 . During specific implementation, the method of attaching the adhesive film 8 to the conveyor belt 11 can be selected according to the actual structure of the actual equipment, such as sticking, electrostatic adsorption or vacuum adsorption. And, when the material of the adhesive film 8 is suitable for curling and winding, the rolled adhesive film 8 can be placed on the adhesive film reel 28 of the adhesive film holder 21 to realize continuous feeding.

The present invention adopts the conveyor belt 11 as the power source for the transport of the film 8 by changing the cooperation and action relationship between the traditional devices, and the guide wheel group 22 can run slowly and smoothly through the passive driving of the film 8 .

Wherein, the adhesive film 8 is a composite film with at least two layers. During specific implementation, along with the difference in the number of structural layers of the adhesive film 8, the thickness of the overall adhesive film 8 will be different. The gap distance between the two guide wheels in the guide wheel set 22 can be properly adjusted according to the thickness of the adhesive film 8 through the additional first adjustment mechanism 221 .

Further, in order to increase the flatness of the adhesive film 8 and reduce wrinkles, the leveling wheel 23 can be erected above the conveyor belt 11, and the leveling wheel 23 and the conveyor belt 11 can be adjusted by the second adjustment mechanism 231. The distance between them enables the adhesive film 8 to be more smoothly attached to the conveyor belt 11, which can further improve the production yield.

After the adhesive film 8 is conveyed to the working area by the conveying module 10, the control unit 12 controls the conveyor belt 11 to stop rotating, and the adhesive film cutting machine 5 then controls the cutting device 51 to cut the outline of the product according to the cutting path planning. After the adhesive film 8 completes the cutting procedure, the control unit 12 controls the conveyor belt 11 to run again to continuously drive the adhesive film 8 forward, as shown in FIG. 2 .

Wherein, the setting position of glue film separation structure 31 can be on the outlet side of conveyor belt 11 and at the gap between glue film 8 and conveyor belt 11, when glue film 8 continues to advance and contacts glue film separation structure 31, then can be The adhesive film 8 is separated from the conveyor belt 11, and the separated adhesive film 8 is guided to the collecting device 33 by the adhesive film guiding structure 32 for collection, so as to complete the feeding and cutting process of the product.

Please refer to Fig. 3 and Fig. 4 at the same time, preferably, the adhesive film feeding mechanism provided by the present invention can also utilize two adhesive film reels 28 arranged up and down to convey the functional protective film 81 and the bottom film 82 respectively, and then pass the guide wheel Group 22 presses the functional protective film 81 and the bottom film 82 to form a two-layer adhesive film 8, and the air bubbles generated during lamination can be squeezed out through the guide wheel group 22, so as to reduce the air hole coating. Generate probability. In addition, an adhesive layer with functions such as waterproof and antifouling can also be provided on the functional protective film 81 .

Further, the adhesive film feeding mechanism of the present invention can also add a retracting unit 335 on the side of the material collecting device 33, and use the retracting unit 335 to retract the cut remaining material into an appropriate length. In practice, the take-up unit 335 can also include a tension adjustment component, which can adjust the take-up rate of the take-up unit 335 and feed back the running speed of the conveyor belt 11 according to the change in tension of different degrees of take-up.

Please refer to FIG. 5 , which is a schematic diagram of the dynamic state of the second embodiment of the present invention. When the protective film on the upper layer of the adhesive film 8 is only suitable for conveying in a sheet state due to material characteristics, the adhesive film support 21 of the feeding module 20 is horizontally arranged on the outside of the guide wheel group 22, and is passed through the feed wheel 26 in an intermittent manner. The sheet-shaped adhesive film 8 is provided on the conveyor belt 11 of the conveying module 10 , and the action of the conveyor belt 11 is controlled according to the sensing signal of the positioning module of the adhesive film cutting machine 5 .

During specific implementation, the adhesive film feeding mechanism can realize complete cutting and partial cutting without cutting the lower film by controlling the relationship between the cutting depth of the cutting device 51 and the thickness of the adhesive film 8 . Wherein, the adhesive film guide structure 32 can be arranged with several guide rods at intervals, so that the products that are completely cut and blanked can be separated and dropped into the first collection box 331, and the cut sap material (ie waste) Lead to the second collection box 332.

It is further explained that compared with the traditional active feeding roller mechanism, the film feeding mechanism of the present invention has a simpler component configuration, and reduces the complexity of control, and is applicable to various types and styles of film without adjusting relevant parameters , which greatly saves the adjustment time of program parameters, thereby improving production efficiency.

To sum up, the film feeding mechanism disclosed in the present invention has the functions of automatic feeding, automatic leveling, automatic separation and automatic material collection by changing the design of the feeding mechanism, which improves the production efficiency caused by manual operation. Efficiency and yield quality issues. Its specific beneficial effects are as follows:

The adhesive film feeding mechanism provided by the present invention attaches the adhesive film to the conveyor belt and drives the feeding of the adhesive film through the action of the conveyor belt. , can greatly reduce the probability of film warping. Moreover, the present invention utilizes a driven-type guide wheel set to press at least two layers of composite film, and squeeze out the air bubbles generated during lamination to increase the yield of the film.

At the same time, the invention only needs to control the rotation of the conveyor belt to obtain a stable feed rate of the film, which improves the problem that the existing feeding mechanism must control the speed configuration between multiple driving sources at the same time through the control module, so that the glue feeding Efficiency is greatly improved. Moreover, the adhesive film feeding mechanism of the present invention is applicable to various types and shapes of adhesive films without adjusting relevant program parameters, which saves the adjustment time of program parameters.

In addition, the adhesive film feeding mechanism of the present invention can flatly attach the adhesive film to the conveyor belt through the setting of the leveling wheel, thereby reducing the generation of wrinkles. And the present invention also utilizes the glue film separation mechanism arranged at the outlet end of the conveyor belt to automatically remove the glue film from the conveyor belt, saving labor costs.

The above-described embodiments are only for illustrating the technical ideas and characteristics of the present invention, and its purpose is to enable those who are familiar with this art to understand the content of the present invention and implement it accordingly. When it is impossible to limit the patent scope of the present invention, That is, all equivalent changes or modifications made according to the spirit disclosed in the present invention should still be covered within the patent scope of the present invention.

Claims (9)

1. a rubber film feeder structure, it is characterised in that including:

Conveying module, is arranged in glued membrane cutting machine, and described conveying module includes conveyer belt and control unit, and described control unit is for manipulating the action of described conveyer belt to carry glued membrane；

Feeding module, it is arranged at the side of described glued membrane cutting machine, described feeding module includes glued membrane support and guide wheel group, described glued membrane support is used for placing described glued membrane, described guide wheel group is arranged at the arrival end of described conveyer belt, and described glued membrane passes through described guide wheel group gap at described glued membrane support and is attached at described conveyer belt；And

Rewinding module, it is arranged at the opposite side of described glued membrane cutting machine, described rewinding module includes glued membrane isolating construction and glued membrane guiding structural, described glued membrane isolating construction is arranged at the outlet side of described conveyer belt, for separating the glued membrane being attached at described conveyer belt, described glued membrane guiding structural is received for guiding separated glued membrane.

Rubber film feeder structure the most according to claim 1, it is characterised in that described glued membrane is the multicoat membrane of at least double-layer structure.

Rubber film feeder structure the most according to claim 1, it is characterised in that described guide wheel group is for glued membrane described in pressing.

Rubber film feeder structure the most according to claim 1, it is characterised in that described guide wheel group also includes the first guiding mechanism, for adjusting the clearance distance of described guide wheel group.

Rubber film feeder structure the most according to claim 1, it is characterised in that described feeding module also includes leveling wheel, is used for making that described glued membrane is smooth to fit perfectly in described conveyer belt.

Rubber film feeder structure the most according to claim 5, it is characterised in that described leveling wheel also includes the second guiding mechanism, for adjusting the clearance distance of described leveling wheel and described conveyer belt.

Rubber film feeder structure the most according to claim 1, it is characterised in that described rewinding module also includes material-gathering device, is used for receiving described glued membrane.

Rubber film feeder structure the most according to claim 7, it is characterised in that described material-gathering device also includes furling unit, is used for furling described glued membrane.

Rubber film feeder structure the most according to claim 8, it is characterised in that described retracting unit also includes tension adjustment assembly, for adapting to adjust the retracting speed of described glued membrane.