Film pressing and welding device of film winding machine

Abstract

The utility model discloses a film laminating and welding device of a film winding machine, which relates to the technical field of welding equipment, and comprises a rack, a bearing mechanism, a film welding mechanism and a film breaking mechanism, the bearing mechanism comprises two rod bodies, and the two rod bodies are arranged on the rack; the film welding mechanism comprises a heating sheet, and the heating sheet is arranged on the rack; the film breaking mechanism comprises a heating wire, and the heating wire is arranged on the film welding mechanism; the heating sheet and the two rod bodies are arranged in a non-contact mode, and a thin film penetrates through the space between the heating sheet and the two rod bodies; when the heating piece and the heating wire are close to the two rod bodies, the heating piece presses a film to the position between the two rod bodies and enables the film to be welded tightly, and the heating wire makes contact with the film and fuses the film. According to the utility model, the heating sheet can be pressed more tightly and uniformly when pressing a film, so that the possibility of pseudo soldering is greatly reduced, and the percent of pass is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of welding equipment technology, specifically a film pressing device for a film wrapping machine. Background Technology

[0002] Thin film welding is an important step in thin film processing, which is achieved by using pressure heat welding.

[0003] Existing equipment for thin film welding typically uses a pressing method to press the film onto a rigid baffle. However, this method can easily lead to uneven pressure on the film, resulting in incomplete welds.

[0004] Therefore, the structure of the thin film welding equipment needs further optimization. Utility Model Content

[0005] This utility model discloses a film pressing and welding device for a film wrapping machine to solve the technical problem of incomplete welding caused by uneven pressure.

[0006] To solve the above-mentioned technical problems, the present invention proposes the following optimized technical solution:

[0007] A film-pressing and welding device for a film-wrapping machine, comprising:

[0008] frame;

[0009] A support mechanism, the support mechanism comprising two rods, the two rods being mounted on the frame;

[0010] A welding film mechanism, the welding film mechanism including a heating element, the heating element being disposed on the frame;

[0011] A film-cutting mechanism, the film-cutting mechanism including a heating wire disposed on the film-welding mechanism;

[0012] The heating element is disposed in a non-contact manner with the two rods, and a thin film passes through the space between the heating element and the two rods.

[0013] When the heating element and the heating wire are close to the two rods, the heating element presses the film between the two rods and welds the film together, and the heating wire contacts and melts the film.

[0014] Furthermore, the supporting mechanism also includes a lifting module, which is mounted on the frame and connects to the two rods and is used to drive the two rods to lift.

[0015] The film welding mechanism further comprises a rotating module and a swing arm, the rotating module is arranged on the frame, the swing arm is connected to the rotating module, the swing arm is connected to the heating sheet and the heating wire, and the rotating module is used to drive the swing arm to swing so that the heating sheet and the heating wire are close to or parallel to the rod body.

[0016] Further, the lifting module comprises a first cylinder and a push seat, the first cylinder is connected to the frame, and the push seat is connected to the output shaft of the first cylinder and the two rod bodies.

[0017] Further, the lifting module further comprises two guide sleeves and two guide shafts, the two guide sleeves are arranged on the frame, the two guide shafts pass through the two guide sleeves respectively and are connected to the frame, the guide sleeve and the guide shaft are slidably connected, and the two rod bodies are fixedly connected to the two guide sleeves respectively.

[0018] Further, the rotating module further comprises a second cylinder, a push rod and a rotating shaft, the second cylinder is connected to the frame, the push rod is connected to the output shaft of the second cylinder and one end of the swing arm, and the rotating shaft passes through one end of the swing arm and is rotatably connected to the frame at both ends.

[0019] Further, the film welding mechanism further comprises a heating sheet mounting plate, the heating sheet mounting plate is arranged on the swing arm, and the heating sheet is arranged on the heating sheet mounting plate.

[0020] Further, the film welding mechanism further comprises an insulating plate, the insulating plate is arranged between the heating sheet mounting plate and the heating sheet.

[0021] Further, the film cutting mechanism further comprises a first heating wire mounting plate and a second heating wire mounting plate, the first heating wire mounting plate and the second heating wire mounting plate are arranged on the swing arm, the first heating wire mounting plate and the second heating wire mounting plate are respectively provided with a first insulating ring and a second insulating ring, and the heating wire is sleeved on the first insulating ring and the second insulating ring.

[0022] Further, the second heating wire mounting plate is rotatably connected to the swing arm, and the second insulating ring is arranged at one end of the second heating wire mounting plate.

[0023] The film cutting mechanism further comprises a tension spring, one end of the tension spring is connected to the swing arm, and the other end of the tension spring is connected to the other end of the second heating wire mounting plate.

[0024] Further, the rod body is in a cylindrical structure.

[0025] Compared with the prior art, the utility model has the following beneficial effects:

[0026] The welding film device provided by the utility model sets two rod bodies, passes two layers of films between the heating sheet and the rod bodies, the heating sheet is close to the two rod bodies and presses the films to the two rod bodies, the films produce tensile deformation due to the elasticity of the films, therefore, the heating sheet can press the films more closely and uniformly when pressing the films, thereby greatly reducing the possibility of false welding and greatly improving the qualified rate. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the structure schematic diagram of the utility model.

[0028] Figure 2 It is the partial structure plan view of the utility model.

[0029] Figure 3 It is the structure schematic diagram of the bearing mechanism.

[0030] Figure 4 It is the structure schematic diagram of the welding film mechanism and the film breaking mechanism Figure 1 .

[0031] Figure 5 It is the structure schematic diagram of the welding film mechanism and the film breaking mechanism Figure 2 .

[0032] In the drawing: 100, rack; 200, bearing mechanism; 210, lifting module; 211, first air cylinder; 212, push seat; 213, guide sleeve; 214, guide shaft; 220, rod body; 300, welding film mechanism; 310, rotating module; 311, second air cylinder; 312, push rod; 313, rotating shaft; 320, swing arm; 330, heating sheet mounting plate; 331, heat insulation plate; 332, connecting rod; 340, heating sheet; 400, film breaking mechanism; 410, first heating wire mounting plate; 411, first heat insulation ring; 420, second heating wire mounting plate; 421, second heat insulation ring; 430, tensile spring; 440, heating wire; 500, film. DETAILED DESCRIPTION

[0033] In order that the objects, technical solutions and advantages of the embodiments of the present application are more apparent, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0034] Referring to Figures 1-5The present application discloses a kind of film welding device of film winding machine, including rack 100, bearing mechanism 200, welding film mechanism 300 and film breaking mechanism 400, the bearing mechanism 200 includes two stick bodies 220, two the stick body 220 is arranged on the rack 100;The welding film mechanism 300 includes heating sheet 340, and the heating sheet 340 is arranged on the rack 100;The film breaking mechanism 400 includes heating wire 440, and the heating wire 440 is arranged on the welding film mechanism 300;The heating sheet 340 is non-contact with two the stick body 220, and the heating sheet 340 is used for film 500 to pass between two the stick body 220;When the heating sheet 340 and the heating wire 440 are close to two the stick body 220, the heating sheet 340 is pressed to two the stick body 220 between film 500 and makes film 500 weld tightly, and the heating wire 440 contacts and fuses film 500;When heating sheet 340 is pressed to film 500, film 500 will be deformed by its elastic property, so that heating sheet 340 can be more closely attached to film 500, is pressed more uniformly, is welded more uniformly, avoids false welding, and heating wire 440 follows heating sheet 340 and synchronously approaches film 500 and fuses film 500, and the overall welding fusing passing efficiency is higher.

[0035] In the embodiment, the bearing mechanism 200 further includes lifting module 210, the lifting module 210 is arranged on the rack 100, and the lifting module 210 is connected to two the stick body 220 and is used to drive two the stick body 220 to lift;The welding film mechanism further includes rotating module 310 and swing arm 320, the rotating module 310 is arranged on the rack 100, the swing arm 320 is connected to the rotating module 310, the swing arm 320 is connected to the heating sheet 340 and the heating wire 440, and the rotating module 310 is used to drive the swing arm 320 to swing, so that the heating sheet 340 and the heating wire 440 are close to the stick body 220 and parallel to the stick body 220.Working time, lifting module 210 drives two stick bodies 220 to rise to a certain height, and film 500 is placed in front of two stick bodies 220, rotating module 310 drives swing arm 320 to swing, so that heating sheet 340 and heating wire 440 on swing arm 320 are raised, and heating sheet 340 and heating wire 440 are gradually raised to the state of parallel to stick body 220, during swing arm 320 swing, heating sheet 340 and heating wire 440 gradually approach stick body 220, heating sheet 340 is pressed to film 500 in front of stick body 220, heating sheet 340 is pressed to two stick bodies 220 between film 500 and is pressed on the frame of bearing mechanism 200, at this time, film 500 is deformed due to its elasticity, and simultaneously, heating wire 440 also approaches and contacts film 500, and fuses film 500.

[0036] In the embodiment, the lifting module 210 comprises a first cylinder 211 and a push seat 212, the first cylinder 211 is connected to the frame 100, and the push seat 212 is connected to the output shaft of the first cylinder 211 and the two rod bodies 220. The first cylinder 211 is started to drive the push seat 212 to lift, and the push seat 212 drives the two rod bodies 220 to lift.

[0037] In the embodiment, the lifting module 210 further comprises two guide sleeves 213 and two guide shafts 214, the two guide sleeves 213 are arranged on the frame 100, the two guide shafts 214 pass through the two guide sleeves 213 respectively and are connected to the frame 100, the guide sleeve 213 and the guide shaft 214 are slidably connected, and the two rod bodies 220 are fixedly connected to the two guide sleeves 213 respectively. When the two rod bodies 220 lift, the rod body 220 drives the guide sleeve 213 to lift, the guide sleeve 213 is sleeved on the guide shaft 214, the guide shaft 214 has a guiding effect on the rod body 220, and the stability of the rod body 220 during lifting can be improved.

[0038] In the embodiment, the rotating module 310 further comprises a second cylinder 311, a push rod 312 and a rotating shaft 313, the second cylinder 311 is connected to the frame 100, the push rod 312 is connected to the output shaft of the second cylinder 311 and one end of the swing arm 320, and the rotating shaft 313 passes through one end of the swing arm 320 and is rotatably connected to the frame 100 at both ends. In work, the second cylinder 311 is started to drive one end of the swing arm 320 to move, but since one end of the swing arm 320 is connected to the rotating shaft 313, and the rotating shaft 313 is rotatably connected to the frame 100, the rotating shaft 313 is driven to rotate, so that the other end of the swing arm 320 rises, thereby lifting the heating sheet 340 and the heating wire 440 on the swing arm 320.

[0039] It should be noted that the rotating shaft 313 can be rotatably connected to the frame 100 in various ways, for example, connected to the frame 100 through a bearing.

[0040] In the embodiment, the welding film mechanism 300 further comprises a heating sheet mounting plate 330, the heating sheet mounting plate 330 is arranged on the swing arm 320, and the heating sheet 340 is arranged on the heating sheet mounting plate 330. Specifically, the heating sheet mounting plate 330 is connected to the swing arm 320 through a connecting rod 332.

[0041] In the embodiment, the welding film mechanism 300 further comprises a heat insulation plate 331, the heat insulation plate 331 is arranged between the heating sheet mounting plate 330 and the heating sheet 340, and the heat insulation plate 331 plays a role of heat insulation and insulation.

[0042] In the embodiment, the film breaking mechanism 400 further comprises a first heating wire mounting plate 410 and a second heating wire mounting plate 420, both of which are arranged on the swing arm 320, and the first heating wire mounting plate 410 and the second heating wire mounting plate 420 are respectively provided with a first heat insulation ring 411 and a second heat insulation ring 421, and the heating wire 440 is sleeved on the first heat insulation ring 411 and the second heat insulation ring 421. The heating wire 440 is arranged side by side with the heating sheet 340, and the position of the heating wire 440 is slightly behind the heating sheet 340, that is, when the heating sheet 340 contacts the film 500, the heating wire 440 has not contacted the film 500, and when the heating sheet 340 continues to press the film 500 forward until the film 500 is deformed, the heating wire 440 contacts the film 500. The arrangement can ensure that the heating sheet 340 fully presses the film 500 to uniformly weld, and then the heating wire 440 melts and breaks the film 500.

[0043] In the embodiment, the second heating wire mounting plate 420 is rotatably connected to the swing arm 320, and the second heat insulation ring 421 is arranged at one end of the second heating wire mounting plate 420; the film breaking mechanism 400 further comprises a tension spring 430, one end of which is connected to the swing arm 320 and the other end of which is connected to the other end of the second heating wire mounting plate 420. The spring plays a role in adjusting the distance between the first heat insulation ring 411 and the second heat insulation ring 421, so that heating wires 440 of different lengths can be installed between the first heat insulation ring 411 and the second heat insulation ring 421, and it is ensured that the heating wire 440 can be tightly sleeved between the first heat insulation ring 411 and the second heat insulation ring 421.

[0044] In the embodiment, the rod body 220 is in a cylindrical structure, and the cylindrical rod body 220 is more smooth when the film 500 is pressed thereon.

[0045] The working process of the utility model is: firstly, the first cylinder 211 starts to drive two rod bodies 220 to rise; then, two layers of films 500 on the winding drum are pulled out and placed in front of the two rod bodies 220, and the end part of the film 500 is also fixed by external structure; finally, the second cylinder 311 starts, at this time, the second cylinder 311 pre-pushes the swing arm 320, but because the swing arm 320 is connected on the rotating shaft 313, and the rotating shaft 313 is rotatably connected on the frame 100 through the bearing, therefore, the rotating shaft 313 rotates under the push of the swing arm 320, so that the other end of the swing arm 320 rises, the heating sheet 340 and the heating wire 440 on the swing arm 320 rise, the heating sheet 340 and the heating wire 440 rise and gradually close to the film 500, in the process of the swing arm 320 rising, the heating sheet 340 first contacts the film 500, and continues to press the film 500 between the two rod bodies 220, the film 500 deforms, the heating sheet 340 press-bonds the film 500 on the frame of the bearing mechanism 200 to realize welding, and the heating wire 440 contacts and melts the film 500.

[0046] The above only is the specific implementation of the utility model, makes the person skilled in the art understand or realize the utility model. The various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will accord with the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pressure welding film device of a film wrapping machine, characterized by, The utility model relates to a film welding device, including: a rack; a bearing mechanism including two rods, the two rods are arranged on the rack; a film welding mechanism including a heating sheet, the heating sheet is arranged on the rack; a film breaking mechanism including a heating wire, the heating wire is arranged on the film welding mechanism; the heating sheet is non-contact with the two rods, and a film is arranged between the heating sheet and the two rods; when the heating sheet and the heating wire are close to the two rods, the heating sheet presses the film to the two rods and welds the film tightly, and the heating wire contacts and melts the film.

2. The device according to claim 1, wherein the bearing mechanism further includes a lifting module, the lifting module is arranged on the rack, and the lifting module is connected with the two rods and used to drive the two rods to lift; the film welding mechanism further includes a rotating module and a swing arm, the rotating module is arranged on the rack, the swing arm is connected to the rotating module, the swing arm is connected with the heating sheet and the heating wire, and the rotating module is used to drive the swing arm to swing, so that the heating sheet and the heating wire are close to the rods and parallel to the rods.

3. The device according to claim 2, wherein, the lifting module includes a first air cylinder and a push seat, the first air cylinder is connected to the rack, and the push seat is connected to the output shaft of the first air cylinder and the two rods.

4. The device according to claim 3, wherein the lifting module further includes two guide sleeves and two guide shafts, the two guide sleeves are arranged on the rack, the two guide shafts pass through the two guide sleeves respectively and are connected to the rack, the guide sleeves are slidably connected with the guide shafts, and the two rods are fixedly connected with the two guide sleeves respectively.

5. The device according to claim 2, wherein the rotating module further includes a second air cylinder, a push rod and a rotating shaft, the second air cylinder is connected to the rack, the push rod is connected to the output shaft of the second air cylinder and one end of the swing arm, and the rotating shaft passes through one end of the swing arm and is rotatably connected to the rack at both ends.

6. The device according to claim 2, wherein the film welding mechanism further includes a heating sheet mounting plate, the heating sheet mounting plate is arranged on the swing arm, and the heating sheet is arranged on the heating sheet mounting plate.

7. The device according to claim 6, wherein the welding roller is provided with a plurality of welding rollers. the film welding mechanism further includes an insulating plate, the insulating plate is arranged between the heating sheet mounting plate and the heating sheet.

8. The device according to claim 2, wherein, the film breaking mechanism further includes a first heating wire mounting plate and a second heating wire mounting plate, the first heating wire mounting plate and the second heating wire mounting plate are arranged on the swing arm, the first heating wire mounting plate and the second heating wire mounting plate are respectively provided with a first insulating ring and a second insulating ring, and the heating wire is sleeved on the first insulating ring and the second insulating ring.

9. The device according to claim 8, wherein the welding roller is provided with a plurality of welding rollers. the second heating wire mounting plate is rotatably connected to the swing arm, and the second insulating ring is arranged at one end of the second heating wire mounting plate; the film breaking mechanism further includes a tension spring, one end of the tension spring is connected to the swing arm, and the other end of the tension spring is connected to the other end of the second heating wire mounting plate.

10. The device according to claim 1, wherein, the rod is a cylindrical structure.

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