CN115831611B - Film roll wrapping device - Google Patents
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- CN115831611B CN115831611B CN202310068693.7A CN202310068693A CN115831611B CN 115831611 B CN115831611 B CN 115831611B CN 202310068693 A CN202310068693 A CN 202310068693A CN 115831611 B CN115831611 B CN 115831611B
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Abstract
The invention provides a film roll wrapping device which comprises a winder body and a film receiving mechanism. The winder body comprises a winding shaft and a film transmission mechanism. The film conveying mechanism conveys the metallized film to a winding shaft for winding. The film connecting mechanism comprises a pressing roller and a film feeding mechanism. The pressure roller can move along the radius direction of the winding shaft, so that when the pressure roller is abutted against the film roll, the pressure roller is pressed at the joint of the metallized film and the film roll. One end of the film feeding mechanism is connected with a light film. The film feeding mechanism conveys the end head of the optical film to the joint of the film roll and the metallized film and is positioned between the film roll and the metallized film. The film roll wrapping apparatus can wind the optical film behind the metallized film by the film feeding mechanism. The cost is greatly reduced by adopting the optical film for sealing, the effect of sealing by using the optical film is better than that of a metallized film, and the sealing quality of the core is ensured. Meanwhile, the metal layer of the original metallized film is not required to be removed by the winding machine, so that the working procedures are reduced.
Description
Technical Field
The invention relates to the technical field of capacitor production equipment, in particular to a film roll wrapping device.
Background
The core component of the thin film capacitor is a core. The core is formed by winding a metallized film into a roll. The metallized film is a dielectric film provided with a metal layer. In the prior art, a metallized film is wound into a roll in the core processing process. And after a certain number of layers is reached, removing the metal layer of the metallized film in a low-voltage and high-current mode to form a protective light film. Finally, the optical film is wound outside, and ending and sealing can be performed. This can result in waste of metallized film.
Disclosure of Invention
The invention aims to provide a film roll wrapping device which can connect an optical film to a rolled metalized film and carry out ending sealing to form protection, thereby reducing waste of the metalized film.
The embodiment of the invention is realized by the following technical scheme:
a film roll wrapping device comprises a winder body and a film connecting mechanism; the winding machine body comprises a winding shaft and a film transmission mechanism; the film conveying mechanism conveys the metallized film to a winding shaft for winding; the film connecting mechanism comprises a pressing roller and a film feeding mechanism; the pressing roller can move along the radius direction of the winding shaft, so that when the pressing roller is abutted against the film roll, the pressing roller is pressed at the joint of the metallized film and the film roll; one end of the film feeding mechanism is connected with a light film; the film feeding mechanism conveys the end head of the optical film to the joint of the film roll and the metallized film and is positioned between the film roll and the metallized film.
Further, the film feeding mechanism comprises a feeding rod; the front end of the feeding rod is provided with two mutually abutted conveying rollers so that the two conveying rollers can clamp the optical film and convey the optical film forwards.
Furthermore, the front end of the feeding rod is also provided with two guide plates; the distance between the two guide plates is gradually reduced along the direction from the feeding rod to the front end of the feeding rod; a plurality of air nozzles are also arranged between the two guide plates; the air injection direction of the air nozzle points to the front end of the feeding rod; the air nozzles are uniformly distributed on two sides of the feeding rod.
Furthermore, the machine base is provided with a rotating plate; the feeding rod is arranged on the rotating plate, so that the rotating plate can drive the feeding rod to be close to or far away from the winding shaft to swing.
Further, the feed rod is provided with threads; the rotating plate is also provided with a nut and a motor for driving the nut to rotate in a matching mode with the feeding rod, so that when the motor rotates, the feeding rod is close to or far away from the winding shaft.
Further, the base is provided with a sliding block; the pressing roller is arranged on the sliding block; the sliding block is provided with a driving screw rod in a matching way, so that the driving screw rod rotates to drive the sliding block to move along the radius direction of the winding shaft; the slider is also provided with a distance sensor for detecting the distance between the slider and the winding shaft.
Furthermore, a rotating shaft of the pressing roller is inserted into the sliding block; and a thrust sensor is arranged between the rotating shaft and the sliding block, so that the thrust sensor can detect the thrust of the film roll to the pressing roller.
Furthermore, an electric heating wire for heating the pressing roller is arranged inside the pressing roller.
Furthermore, a slide rail is vertically arranged on the machine base; the sliding rail is provided with a tension roller in a sliding manner; the machine base is provided with a guide roller on each of two sides of the sliding rail; the tension roller is hung on the machine base through the light film, and the light film is hung on the two sides of the tension roller respectively through the guide rollers.
The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects:
when the film roll coating device designed by the invention is used, the metallized film is transferred to the winding shaft by the film transfer mechanism of the winding machine and is wound by the winding shaft. In the winding process, the film conveying mechanism continuously conveys the metallized film to the winding shaft. When the film is wound to a set thickness, the pressing roller moves towards the film roll and presses the film roll; at the moment, the pressing part of the pressing roller is a tangent part of the metallized film and the film roll, so that the rolled homogeneous film is pressed in the subsequent winding process, and the film roll is more compact in winding. Subsequently, the film feeding mechanism pushes the tip of the optical film to a gap between the metallized film and the film roll. The winding shaft winds again, and the film feeding mechanism continuously conveys the optical film to the film roll for winding. In a subsequent winding, the metallized film is wound with the optical film and the metallized film compresses the optical film against the film roll; meanwhile, the metallized film and the optical film are compressed when passing through the compression roller, and the winding compactness is ensured. When the film is wound one to two layers, the film has been wound a full turn so that the ends of the film have been compacted by subsequent films. At this time, the metallized film is cut and continuously wound. In this process, the optical film does not come loose. The optical film can be cut and sealed after being gradually wound to a certain thickness. At this point, the roll of film is wound.
The film roll wrapping device can wind the light film behind the metallized film. The optical film here is a common dielectric film without a metal layer, which is much less costly than a metal slip film. The cost is greatly reduced by adopting the optical film for sealing. Meanwhile, the metal layer of the original metallized film is not required to be removed by the winding machine, so that the working procedures are reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a film roll coating apparatus of the present invention;
FIG. 2 is an enlarged view taken at a point a in FIG. 1;
FIG. 3 is a schematic view of the mating of the rotating plate and the feed bar;
FIG. 4 is a schematic view of the engagement of the pressure roller and take-up shaft;
fig. 5 is an enlarged view of fig. 4 at b.
Icon: 1-winding shaft, 2-film roll, 3-pressing roller, 4-metallized film, 5-optical film, 6-feeding rod, 7-conveying roller, 8-guide plate, 9-air nozzle, 10-rotating plate, 11-nut, 12-slide block, 13-distance sensor, 14-thrust sensor, 15-heating wire, 16-slide rail, 17-tension roller, 18-guide roller, 19-rotating motor, 20-machine base, 21-driving screw rod, 22-balancing weight, 23-sliding chute, 24-servo motor, 25-elastic contact, 26-electrode and 27-motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of this application is used, the description is merely for convenience and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment is as follows:
as shown in fig. 1-5, the present invention provides a film roll wrapping apparatus, which includes a winding machine body and a film receiving mechanism. The winder body is a common winder in the market, and the structure and principle thereof are not described in detail in the embodiment. The winder body comprises a stand 20, a winding shaft 1 and a film transmission mechanism. The film transfer mechanism comprises an unreeling device for placing the metallized film 4 roll 2 and a plurality of rollers for guiding and conveying the metallized film 4. The film transfer mechanism transfers the metallized film 4 to the winding shaft 1 for winding. The film connecting mechanism comprises a pressing roller 3 and a film feeding mechanism. The pinch roller 3 is movable in the radial direction of the winding shaft 1 so that when the pinch roller 3 abuts against the film roll 2, the pinch roller 3 is pressed against the contact portion between the metallized film 4 and the film roll 2. Specifically, the base 20 is provided with a sliding groove 23, and the sliding block 12 is arranged inside the sliding groove 23. The pinch roller 3 is provided to the slider 12. The slide block 12 is provided with a driving screw 21 in a matching way, so that the slide block 12 can be driven to move along the radius direction of the winding shaft 1 by rotating the driving screw 21. The drive screw 21 is also connected to a rotary motor 19 for rotating the drive screw 21.
One end of the film feeding mechanism is connected with a light film 5. In practice, the optical film 5 is also provided with an unwinding device for placing the optical film 5 roll 2 and a plurality of rollers for guiding and conveying the optical film 5. Thereby ensuring that the optical film 5 can be continuously transmitted to the feeding rod 6. During winding of the film roll 2, the subsequent metallized film 4 is in contact with the film roll 2 and the line of the metallized film 4 is tangent to the outer circle of the film roll 2. This allows a certain clearance between the metallized film 4 and the film roll 2. The film feeding mechanism conveys the end of the optical film 5 to the joint of the film roll 2 and the metallized film 4 and is positioned between the film roll 2 and the metallized film 4.
When the film roll coating device designed by the invention is used, the film transmission mechanism of the winding machine transmits the metallized film 4 to the winding shaft 1 and winds the metallized film through the winding shaft 1. In the winding process, the film transmission mechanism continuously transmits the metallized film 4 to the winding shaft 1. When the film is wound to a predetermined thickness, the pressure roller 3 moves toward the film roll 2 and presses the film roll 2. At this time, the pressing part of the pressing roller 3 is the tangent part of the metallized film 4 and the film roll 2, so that the rolled homogeneous film in the subsequent winding process is pressed, and the film roll 2 is wound more compactly. Subsequently, the film feeding mechanism pushes the tip of the optical film 5 to the gap between the metallized film 4 and the film roll 2. The winding shaft 1 winds again and the film feeding mechanism continuously feeds the optical film 5 to the film roll 2 for winding. In subsequent winding, metallized film 4 and optical film 5 are wound together and metallized film 4 presses optical film 5 against film roll 2. Meanwhile, the metallized film 4 and the optical film 5 are compressed when passing through the compression roller 3, so that the winding compactness is ensured. When film 5 is rolled 2 from one layer to two layers, film 5 has been rolled a full turn so that the end of film 5 has been compacted by the subsequent film 5. At this time, the metallized film 4 is cut and continuously wound. In this process, optical film 5 does not come loose. The optical film 5 is gradually wound to a certain thickness and then cut and sealed. At this point, the winding of the film roll 2 is completed.
This film roll wrapping apparatus can wind the optical film 5 after the metallized film 4. The optical film 5 here is a common dielectric film without a metal layer and is much less costly than a metal slip film. The cost is greatly reduced by adopting the optical film 5 for sealing. Meanwhile, the metal layer of the original metallized film 4 is not required to be removed by the winding machine, so that the working procedures are reduced.
In this embodiment, the film feeding mechanism includes a feeding rod 6. The front end of the feeding rod 6 is provided with two mutually abutted conveying rollers 7. The optical film 5 is conveyed to the feed bar 6 and then passes between the two conveying rollers 7, so that the two conveying rollers 7 can clamp and convey the optical film 5 forward. In order to facilitate the conveyance of the optical film 5, the two conveying rollers 7 may be provided with a motor for driving the rotation thereof, so that the conveying rollers 7 actively feed the optical film 5 forward. After the metallized film 4 roll 2 is wound to a predetermined thickness, two feed rollers 7 are rotated to feed the ends of the optical film 5 to the gap between the metallized film 4 and the film roll 2. In the subsequent winding process, since the optical film 5 is merely attached to the film roll 2, the active feeding of the feeding roller 7 enables the optical film 5 to be smoothly fed to the film roll 2 to be wound. The phenomenon that the friction force provided by the compression of the metallized film 4 and the film roll 2 is insufficient, so that the optical film 5 cannot be continuously conveyed and wound is avoided.
In this embodiment, the front end of the feeding rod 6 is further provided with two guide plates 8. The distance between the two guide plates 8 gradually decreases in the direction of the feed bar 6 toward the front end thereof. A plurality of air nozzles 9 are also arranged between the two guide plates 8. The air injection direction of the air nozzle 9 points to the front end of the feeding rod 6. A plurality of air nozzles 9 are evenly distributed at both sides of the feeding rod 6. When the end of the optical film 5 is conveyed to the position between the metallized film 4 and the film roll 2, a plurality of air nozzles 9 are positioned at two sides of the optical film 5. The air nozzles 9 simultaneously spray air so that the air flow drives the optical film 5 to move forwards. Because the clearance of two deflectors 8 reduces gradually for the air velocity of the exit of the air flue that two deflectors 8 formed increases and the blowout, and then makes the better end with light film 5 of air current drive to the film roll 2 surface. This also makes the front end of stack pallet 6 need not to butt the membrane book 2 and also can wind 5 end accurate transport to membrane book 2 of light membrane, reduces the external and membrane book 2 contact, and reducing wear avoids damaging membrane book 2.
In this embodiment, the base 20 is provided with a rotary plate 10 that can rotate relative thereto. The feeding rod 6 is arranged on the rotating plate 10, so that the rotating plate 10 can drive the feeding rod 6 to swing close to or far away from the winding shaft 1. In actual use, the diameters of the film rolls 2 are different due to different models of the capacitors. For better feeding of the optical film 5 to the film roll 2, the angle of the feeding rod 6 can be adjusted to make the air jet direction tangent to the surface of the film roll 2. In order to ensure that the rotating plate 10 can be precisely rotated to adjust the angle of the feed bar 6, the rotating plate 10 is further provided with a servo motor 24 for driving the rotation thereof.
In addition, the feed rod 6 is provided with a thread. The rotating plate 10 is further provided with a nut 11 and a motor 27 for driving the nut 11 to rotate in cooperation with the feeding rod 6, so that when the motor 27 rotates, the feeding rod 6 is close to or far away from the winding shaft 1. The nut 11 is rotatably provided to the rotating plate 10 such that the nut 11 can only rotate relative to the rotating plate 10 and cannot slide. The flexible adjustment range that makes feed rod 6 of feed rod 6 is bigger, and then can come the end propelling movement of membrane 5 to the membrane through flexible feed rod 6 and roll up 2 surfaces, and then the not unidimensional membrane of better adaptation is rolled up 2.
At the initial stage of the contact of membrane 5 and membrane book 2, do not carry out fine connection itself between membrane 5 and the membrane book 2, if the linear velocity difference between the two will lead to the unable fine coiling of membrane 5, influence the quality of the concatenation of membrane 5. In this embodiment, the slider 12 is further provided with a distance sensor 13 that detects the distance from the winding shaft 1. Specifically, the distance sensor 13 is a laser distance measuring sensor, and the distance between the distance sensor and a fixed point on the base and the distance between the fixed point and the winding shaft 1 can be combined to calculate the distance between the slider 12 and the winding shaft 1. When the pinch roller 3 compresses tightly in the membrane book 2, can calculate the thickness that 2 were rolled up to the membrane through the distance between slider 12 and the winding shaft 1, and then calculate the linear velocity on 2 surfaces of membrane book, and then can adjust the rotational speed of conveying roller 7 and guarantee that the speed of the transmission of membrane 5 is the same with the linear velocity that 2 was rolled up to the membrane.
During the process of pressing the film roll 2 by the pressing roller 3, it is difficult to determine whether or not to press. In this embodiment, the sliding block 12 is provided with an insertion hole, and the rotating shaft of the pressing roller 3 is inserted into the sliding block 12. A thrust sensor 14 is arranged between the rotating shaft and the hole wall of the insertion hole of the sliding block 12. When the pressure roller 3 presses the film roll 2, the mutual thrust therebetween is transmitted to the thrust sensor 14, and the thrust sensor 14 detects the magnitude of this thrust. At each pressing, the clamping condition is judged by the detection data of the thrust sensor 14. So that the clamping or not has a uniform standard. Further also make the interval between slider 12 and the winding shaft 1 measure under same standard, measuring result is more accurate, is favorable to the accurate control of the linear velocity of conveying roller 7.
In this embodiment, the heating wire 15 for heating the pressure roller 3 is provided inside the pressure roller 3. Specifically, two annular electrodes 26 are arranged on the surface of the slider 12; one elastic contact 25 is provided for each of the two electrodes 26 of each heating wire 15, corresponding to one electrode 26. So that the two elastic contacts 25 of each heating wire 15 are connected to one electrode 26, respectively, thereby enabling the heating wire 15 to be powered on and controlled to generate heat. Meanwhile, during the rotation of the pinch roller 3, the elastic electrode 26 follows the rotation and always contacts the ring electrode 26. When the optical film 5 is just wound, the adhesiveness after winding is poor due to the elasticity of the optical film 5 and the metallized film 4 themselves. After being heated and compacted by the pressing roller 3, the optical film 5 and the metallized film 4 are well attached to the surface of the film roll 2. More be favorable to the design and the concatenation of the 5 concatenation early stages of epimembranal films. Simultaneously, 2 backs around certain thickness are rolled up to light film 5, and 3 temperature risees of pinch roll, and then heat the bonding to light film 5, and then accomplish 2 binding-offs of film book.
In this embodiment, the base 20 is vertically provided with a slide rail 16. The slide rail 16 is matched with a slide block, and the slide block is provided with a tension roller 17, so that the tension roller 17 can be arranged on the slide rail 16 in a sliding manner. The tension roller 17 can freely slide up and down. The machine base 20 is provided with a guide roller 18 on each side of the slide rail 16. Light film 5 passes over two guide rollers 18 and tension roller 17 is suspended from stand 20 by light film 5. When the feed bar 6 retracts, the optical film 5 relaxes following the retraction. At this time, tension roller 17 falls down, and optical film 5 is tensioned. The tension roller 17 is provided to prevent the tension of the optical film 5 from fluctuating. In order to adjust the tension of optical film 5 more conveniently, weight 22 can be hung on tension roller 17. The tension of optical film 5 can be conveniently adjusted by replacing weight 22 with a different weight.
The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a film roll coating device which characterized in that: comprises a winder body and a film connecting mechanism; the winder body comprises a winding shaft (1) and a film transmission mechanism; the film conveying mechanism conveys the metallized film (4) to a winding shaft (1) for winding; the film connecting mechanism comprises a pressing roller (3) and a film feeding mechanism; the pressing roller (3) can move along the radial direction of the winding shaft (1), so that when the pressing roller (3) abuts against the film roll (2), the pressing roller (3) presses the contact part of the metallized film (4) and the film roll (2); one end of the film feeding mechanism is connected with a light film (5); the film feeding mechanism conveys the end head of the optical film (5) to the joint of the film roll (2) and the metallized film (4) and is positioned between the film roll (2) and the metallized film (4);
the film feeding mechanism comprises a feeding rod (6); the front end of the feeding rod (6) is provided with two mutually abutted conveying rollers (7) so that the two conveying rollers (7) can clamp the optical film (5) and convey the optical film forwards;
the front end of the feeding rod (6) is also provided with two guide plates (8); the distance between the two guide plates (8) is gradually reduced along the direction from the feeding rod (6) to the front end of the feeding rod; a plurality of air nozzles (9) are also arranged between the two guide plates (8); the air injection direction of the air nozzle (9) points to the front end of the feeding rod (6); the air nozzles (9) are uniformly distributed on two sides of the feeding rod (6);
the winder body is provided with a base (20); the machine base (20) is provided with a rotating plate (10); the feeding rod (6) is arranged on the rotating plate (10) so that the rotating plate (10) can drive the feeding rod (6) to move close to or far away from the winding shaft (1) to swing;
the feeding rod (6) is provided with threads; the rotating plate (10) is further provided with a nut (11) and a motor for driving the nut (11) to rotate in a matching mode with the feeding rod (6), so that when the motor rotates, the feeding rod (6) is close to or far away from the winding shaft (1).
2. The film roll enveloping apparatus of claim 1, wherein: the base (20) is provided with a sliding block (12); the pressing roller (3) is arranged on the sliding block (12); the sliding block (12) is provided with a driving screw rod (21) in a matching way, so that the driving screw rod (21) rotates to drive the sliding block (12) to move along the radius direction of the winding shaft (1); the sliding block (12) is further provided with a distance sensor (13) for detecting the distance between the sliding block and the winding shaft (1).
3. The film roll enveloping device of claim 2, wherein: the rotating shaft of the pressing roller (3) is inserted into the sliding block (12); a thrust sensor (14) is arranged between the rotating shaft and the sliding block (12), so that the thrust sensor (14) can detect the thrust of the film roll (2) to the pressing roller (3).
4. The film roll enveloping device of claim 3, wherein: and an electric heating wire (15) for heating the pressing roller (3) is arranged in the pressing roller (3).
5. The film roll enveloping device of claim 4, wherein: the machine base (20) is vertically provided with a slide rail (16); the sliding rail (16) is provided with a tension roller (17) in a sliding way; the machine base (20) is provided with a guide roller (18) at each of two sides of the slide rail (16); the tension roller (17) is suspended on the machine base (20) through the optical film (5), and the optical film (5) is suspended on the guide rollers (18) on two sides of the tension roller (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310068693.7A CN115831611B (en) | 2023-02-06 | 2023-02-06 | Film roll wrapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310068693.7A CN115831611B (en) | 2023-02-06 | 2023-02-06 | Film roll wrapping device |
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| CN115831611A CN115831611A (en) | 2023-03-21 |
| CN115831611B true CN115831611B (en) | 2023-04-18 |
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| CN202310068693.7A Active CN115831611B (en) | 2023-02-06 | 2023-02-06 | Film roll wrapping device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115831611A (en) | 2023-03-21 |
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