Membrane connecting mechanism
By introducing a film-joining mechanism consisting of a film-cutting assembly, a welding assembly, and a film-solidifying assembly into the film-joining equipment for coated battery strings, and by using resistance wire to melt and heat-weld the film strip, the downtime problem during film roll replacement was solved, and production efficiency was improved.
Patent Information
- Application Number
- CN202520190213.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-07
AI Technical Summary
The production equipment for coated battery strings requires stopping the machine to replace the film roll and manually threading the film tape when changing the film roll, resulting in low production efficiency.
The membrane splicing mechanism, which includes a membrane cutting assembly, a welding assembly, and a membrane fixing assembly, uses resistance wires to cut the membrane strip and heating elements to weld the ends of the membrane strip, achieving seamless splicing of the membrane rolls. The membrane traction mechanism can continuously pull out the membrane strip.
It achieves seamless splicing during membrane roll replacement, avoids downtime, and improves the string production efficiency of battery string production equipment.
Smart Images
Figure CN223851837U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to solar cell string production technical field, concretely relates to a film connecting mechanism. BACKGROUND
[0002] In the film-coated battery string production equipment, the film is supplied by a film roll, the end of the film tape is clamped by the heavy hammer buffer mechanism and the cutting mechanism through the film traction mechanism, the film traction mechanism pulls out the film tape to a predetermined length, and then the cutting mechanism cuts to form a film piece. After the film roll is used up, the machine needs to be stopped to replace the film roll, and the end of the film tape is threaded through the heavy hammer buffer mechanism to the film traction mechanism by manual operation. The threading path is complex, the downtime is long, and the film-coated battery string production efficiency is restricted. SUMMARY
[0003] To solve the above technical problems, the utility model provides the following scheme:
[0004] A film connecting mechanism, comprising: a film breaking assembly, a film welding assembly and a film fixing assembly arranged in sequence, the film breaking assembly comprises first and second electrically resistive wires arranged in parallel, the first and second electrically resistive wires are both translatable for fusing the film tape, the film welding assembly comprises first and second pressure plates arranged oppositely, the first and second pressure plates can approach or move away from each other, the film pressing surface of the first pressure plate and the film pressing surface of the second pressure plate face each other, a heating element is arranged on the first pressure plate and / or the second pressure plate, and the film fixing assembly comprises first and second sub-film fixing members arranged in parallel.
[0005] Further, the film breaking assembly further comprises first and second pressing plates and a backing plate arranged in parallel, the first electrically resistive wire is located between the first pressing plate and the backing plate, the second electrically resistive wire is located between the second pressing plate and the backing plate, the first pressing plate and the backing plate are both provided with first avoiding grooves on the opposite surfaces, the second pressing plate and the backing plate are both provided with second avoiding grooves on the opposite surfaces, the first avoiding grooves face the first electrically resistive wire, the second avoiding grooves face the second electrically resistive wire, and the first and second pressing plates can move towards the backing plate.
[0006] Further, the film breaking assembly further comprises a first moving plate and a second moving plate capable of moving towards the base plate, the first pressing plate is elastically connected with the first moving plate, the second pressing plate is elastically connected with the second moving plate, both ends of the first moving plate and the second moving plate are provided with terminal seats, the first resistance wire is fixedly connected with the first moving plate through the terminal seats at both ends of the first moving plate, the second resistance wire is fixedly connected with the second moving plate through the terminal seats at both ends of the second moving plate, the first pressing plate is located between the first moving plate and the first resistance wire, the second pressing plate is located between the second moving plate and the second resistance wire, and the first resistance wire and the second resistance wire are located in the first avoiding groove on the first pressing plate and the second avoiding groove on the second pressing plate respectively.
[0007] Further, the first flexible layer is arranged on the first pressing plate and located on both sides of the first resistance wire, and the second flexible layer is arranged on the second pressing plate and located on both sides of the second resistance wire.
[0008] Further, the welding assembly further comprises a third moving plate and a fourth moving plate capable of moving towards or away from each other, the first pressing plate is elastically connected with the third moving plate, and the second pressing plate is elastically connected with the fourth moving plate.
[0009] Further, the film pressing surface of the first pressing plate and the film pressing surface of the second pressing plate are provided with an anti-sticking layer.
[0010] Further, the heating element is a heating strip, the anti-sticking layer is a Teflon sticker, and the Teflon sticker covers the heating part of the heating strip.
[0011] Further, the film pressing surface of the first pressing plate and the film pressing surface of the second pressing plate are provided with air blowing holes.
[0012] Further, the first sub film fixing element and the first pressing plate move simultaneously, and the second sub film fixing element and the second pressing plate move simultaneously.
[0013] Further, the first sub film fixing element comprises a first film clamping plate and a first connecting plate, the first connecting plate is fixed with the first pressing plate, the first sub film fixing element is arranged on the first connecting plate, and the first film clamping plate is capable of moving relative to the first pressing plate; the second sub film fixing element comprises a second film clamping plate and a second connecting plate, the second connecting plate is fixed with the second pressing plate, the second sub film fixing element is arranged on the second connecting plate, and the second film clamping plate is capable of moving relative to the second pressing plate.
[0014] Compared with the prior art, the film breaking assembly has the following advantages and beneficial effects:
[0015] In the utility model, the first sub film fixing part or the second sub film fixing part fixes the film strip end of the film roll after replacement, the first resistance wire or the second resistance wire fuses the film strip on the film roll after use, the first pressure contact plate and the second pressure contact plate extrude two film strips together, and the film traction mechanism continues to pull out the film strip from the replaced film roll, so that the problem of stopping and setting the film strip after replacing the film roll is solved, and the efficiency of the battery string production equipment is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the perspective view of the film connecting mechanism of the utility model;
[0017] Figure 2 It is the film connecting principle schematic view of the film connecting mechanism of the utility model;
[0018] Figure 3 It is the assembly mode schematic view of the first resistance wire, the first pressure contact plate and the first sub film fixing part in the film connecting mechanism of the utility model;
[0019] Figure 4 It is the assembly mode schematic view of the second resistance wire, the second pressure contact plate and the second sub film fixing part in the film connecting mechanism of the utility model.
[0020] Wherein: 101, first film strip;102, second film strip;110, first resistance wire;120, first pressing plate;121, first avoiding slot;122, first flexible layer;130, first moving plate;210, second resistance wire;220, second pressing plate;221, second avoiding slot;222, second flexible layer;230, second moving plate;310, pad;410, first pressure contact plate;420, third moving plate;510, second pressure contact plate;520, fourth moving plate;610, first sub film fixing part;611, first film clamping plate;612, first connecting plate;710, second sub film fixing part;711, second film clamping plate;712, second connecting plate. DETAILED DESCRIPTION
[0021] The technical scheme and technical effect of the utility model are further described in detail in combination with the drawings of the utility model.
[0022] In the description of the utility model, unless another explicit provision and limitation, the terms "connected", "connected", "fixed" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrated;It can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0023] In the description of the present embodiment, the terms "upper", "lower", "right", and the like, orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must be provided with a particular orientation, constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present utility model. It should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish a first feature from a second feature, and do not necessarily require or imply any such actual relationship or order between the features.
[0024] As shown in Figure 1 , Figure 3 and Figure 4 , the utility model provides a film connecting mechanism, be applied to film -coated battery string production equipment, it includes: the film breaking assembly, the film melting assembly and the film fixing assembly that set gradually, the film breaking assembly includes the first resistance wire 110 and the second resistance wire 210 that set up in parallel, the first resistance wire 110 and the second resistance wire 210 can be used for fusing the film strip in translation, the film melting assembly includes the first pressure plate 410 and the second pressure plate 510 that set up oppositely, the first pressure plate 410 and the second pressure plate 510 can be close to each other or away from each other, the film pressing surface of the first pressure plate 410 and the film pressing surface of the second pressure plate 510 are opposite, the first pressure plate 410 and / or the second pressure plate 510 are equipped with heating element, the film fixing assembly includes the first sub film fixing piece 610 and the second sub film fixing piece 710 that set up in parallel.
[0025] As shown in Figure 2 , the first film strip 101 is provided by the first film roll, the first end of the first film strip 101 is fixed by the first sub film fixing piece 610, and the tail end is wound on the first spool. The second film strip 102 is provided by the second film roll, the first end of the second film strip 102 is clamped by the film traction mechanism, and the tail end is wound on the second spool. When the second film roll is almost exhausted, the film connecting device is used to fuse the first film strip 101 and the second film strip 102 together.
[0026] The welding process is as follows: first, the first pressing plate 410 and the second pressing plate 510 move towards each other, the first film strip 101 and the second film strip 102 are pressed together, then the heating element is heated, the first film strip 101 and the second film strip 102 are welded together, finally, the second resistance wire 210 moves, the second film strip 102 is fused, the film is completed, the first sub film fixing piece 610 releases the end of the first film strip 101, the first pressing plate 410 and the second pressing plate 510 move away from each other, the second film roll is replaced, and the end of the second film strip 102 is fixed by the second sub film fixing piece 710, and the next welding is waited for. In this way, the film traction mechanism can continuously pull out the film strip, avoids stopping to wear the film strip and reduces the efficiency of the string. In the subsequent process, the film strip is cut into a film piece, and the welded part is removed. Preferably, the first pressing plate 410 and the second pressing plate 510 are provided with heating elements, so as to accelerate the welding speed.
[0027] In the utility model, the film breaking assembly further includes the first pressing plate 120, the second pressing plate 220 and the backing plate 310 which are arranged in parallel, the first resistance wire 110 is located between the first pressing plate 120 and the backing plate 310, the second resistance wire 210 is located between the second pressing plate 220 and the backing plate 310, the first pressing plate 120 and the backing plate 310 are provided with the first avoiding slot 121 on the opposite two surfaces, the second pressing plate 220 and the backing plate 310 are provided with the second avoiding slot 221 on the opposite two surfaces, the first avoiding slot 121 is opposite to the first resistance wire 110, the second avoiding slot 221 is opposite to the second resistance wire 210, and the first pressing plate 120 and the second pressing plate 220 can move towards the backing plate 310. When fusing the film strip, the first pressing plate 120 or the second pressing plate 220 can be used to fix the film strip on the backing plate 310, and then the first resistance wire 110 or the second resistance wire 210 is used for fusing, so as to increase the pressure applied by the resistance wire to the film strip and improve the fusing efficiency.
[0028] In the utility model, the film breaking assembly further includes a first moving plate 130 and a second moving plate 230 capable of moving towards the base plate 310, the first pressing plate 120 is elastically connected with the first moving plate 130, the second pressing plate 220 is elastically connected with the second moving plate 230, both ends of the first moving plate 130 and the second moving plate 230 are provided with terminal blocks, the first resistance wire 110 is fixedly connected with the first moving plate 130 through the terminal blocks at both ends of the first moving plate 130, the second resistance wire 210 is fixedly connected with the second moving plate 230 through the terminal blocks at both ends of the second moving plate 230, the first pressing plate 120 is located between the first moving plate 130 and the first resistance wire 110, the second pressing plate 220 is located between the second moving plate 230 and the second resistance wire 210, and the first resistance wire 110 and the second resistance wire 210 are respectively located in the first avoiding slot 121 on the first pressing plate 120 and the second avoiding slot 221 on the second pressing plate 220.The elastic floating amount of the first pressing plate 120 and the second pressing plate 220 is greater than that of the first pressing plate 120 and the second pressing plate 220, and the distance between the first resistance wire 110 and the second resistance wire 210 and the base plate 310.When the first moving plate 130 or the second moving plate 230 moves towards the base plate 310, the first pressing plate 120 or the second pressing plate 220 first contacts the film strip and fixes the film strip on the base plate 310, the first moving plate 130 or the second moving plate 230 continues to move, and the first resistance wire 110 or the second resistance wire 210 can melt the film strip, that is, the first resistance wire 110 and the first pressing plate 120 can share the same cylinder drive, the second resistance wire 210 and the second pressing plate 220 can share the same cylinder drive, and the number of used cylinders can be reduced.
[0029] In the utility model, the first flexible layer 122 is arranged on the first pressing plate 120 and located at both sides of the first resistance wire 110, and the second flexible layer 222 is arranged on the second pressing plate 220 and located at both sides of the second resistance wire 210, the first flexible layer 122 and the second flexible layer 222 play a buffering role and are made of rubber or sponge.
[0030] In the utility model, the welding assembly further includes a third moving plate 420 and a fourth moving plate 520 capable of moving close to or away from each other, the first pressing plate 410 is elastically connected with the third moving plate 420, and the second pressing plate 510 is elastically connected with the fourth moving plate 520. The third moving plate 420 and the fourth moving plate 520 are driven by the cylinder, and the elastic connection mode plays a buffering role and can avoid damaging the cylinder.
[0031] In the utility model, the film pressing surface of the first pressing plate 410 and the film pressing surface of the second pressing plate 510 are provided with an anti-sticking layer. The film strip is made of hot melt adhesive film and generates viscosity after being heated, and the anti-sticking layer can avoid the film strip after welding from being adhered to the first pressing plate 410 and the second pressing plate 510.
[0032] In the utility model, the heating element is a heating strip, the anti-sticking layer is a Teflon sticker, and the Teflon sticker covers the heating part of the heating strip. In other embodiments of the utility model, the heating element can also be a heating rod embedded on the first crimping plate 410 and the second crimping plate 510.
[0033] In the utility model, the film pressing surface of the first crimping plate 410 and the film pressing surface of the second crimping plate 510 are provided with air blowing holes, and after the film belt is fused, air is blown to the film belt through the air blowing holes, which is beneficial to cooling the film belt and separating the film belt from the first crimping plate 410 and the second crimping plate 510.
[0034] In the utility model, the first sub film fixing member 610 and the first crimping plate 410 move simultaneously, the second sub film fixing member 710 and the second crimping plate 510 move simultaneously, and when the first crimping plate 410 or the second crimping plate 510 contacts the film belt, the end of the film belt fixed by the first sub film fixing member 610 or the second sub film fixing member 710 moves simultaneously with the part of the film belt abutted by the first crimping plate 410 or the second crimping plate 510, so that the deformation amount generated in the movement of the film belt can be reduced.
[0035] In the utility model, the first sub film fixing member 610 includes a first film clamping plate 611 and a first connecting plate 612, the first connecting plate 612 is fixed with the first crimping plate 410, the first film clamping plate 611 is arranged on the first connecting plate 612, and the first film clamping plate 611 can move relative to the first crimping plate 410; the second sub film fixing member 710 includes a second film clamping plate 711 and a second connecting plate 712, the second connecting plate 712 is fixed with the second crimping plate 510, the second film clamping plate 711 is arranged on the second connecting plate 712, and the second film clamping plate 711 can move relative to the second crimping plate 510. Specifically, the first connecting plate 612 and the second connecting plate 712 are both fixed with air cylinders, the air cylinders are drivingly connected with the first film clamping plate 611 and the second film clamping plate 711, so that the first film clamping plate 611 and the second film clamping plate 711 can move up and down or rotate. The end of the film belt is fixed between the first film clamping plate 611 and the first crimping plate 410 or the second film clamping plate 711 and the second crimping plate 510.
[0036] The above disclosure is only the preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the utility model claims still belong to the scope covered by the utility model.
Claims
1. A film take-up mechanism characterized by The application relates to a film cutting and welding device, which comprises a film cutting assembly, a film welding assembly and a film fixing assembly arranged in sequence, the film cutting assembly comprises first and second parallelly arranged electric resistance wires (110, 210), the first and second electric resistance wires (110, 210) can be translated to fuse the film, the film welding assembly comprises first and second oppositely arranged pressing plates (410, 510), the first and second pressing plates (410, 510) can be moved close to or away from each other, the film pressing surfaces of the first and second pressing plates (410, 510) face each other, the first and / or second pressing plate (410, 510) is provided with a heating element, and the film fixing assembly comprises first and second parallelly arranged sub-film fixing members (610, 710).
2. The film attachment mechanism of claim 1, wherein: The film cutting assembly further comprises first and second parallelly arranged pressing plates (120, 220) and a backing plate (310), the first electric resistance wire (110) is located between the first pressing plate (120) and the backing plate (310), the second electric resistance wire (210) is located between the second pressing plate (220) and the backing plate (310), the first pressing plate (120) and the backing plate (310) are provided with first avoiding grooves (121) on the opposite surfaces, the second pressing plate (220) and the backing plate (310) are provided with second avoiding grooves (221) on the opposite surfaces, the first avoiding grooves (121) face the first electric resistance wire (110), the second avoiding grooves (221) face the second electric resistance wire (210), and the first and second pressing plates (120, 220) can be moved to the backing plate (310).
3. The film attachment mechanism of claim 2, wherein: The film cutting assembly further comprises first and second movable plates (130, 230) which can be moved to the backing plate (310), the first pressing plate (120) is elastically connected to the first movable plate (130), the second pressing plate (220) is elastically connected to the second movable plate (230), the first and second movable plates (130, 230) are provided with terminal seats at the two ends, the first electric resistance wire (110) is fixedly connected to the first movable plate (130) through the terminal seats at the two ends of the first movable plate (130), the second electric resistance wire (210) is fixedly connected to the second movable plate (230) through the terminal seats at the two ends of the second movable plate (230), the first pressing plate (120) is located between the first movable plate (130) and the first electric resistance wire (110), the second pressing plate (220) is located between the second movable plate (230) and the second electric resistance wire (210), and the first and second electric resistance wires (110, 210) are respectively located in the first avoiding grooves (121) on the first pressing plate (120) and the second avoiding grooves (221) on the second pressing plate (220).
4. The film attachment mechanism of claim 3, wherein: A first flexible layer (122) is arranged on the first pressing plate (120) and located on both sides of the first resistance wire (110), and a second flexible layer (222) is arranged on the second pressing plate (220) and located on both sides of the second resistance wire (210).
5. The film attachment mechanism of claim 1, wherein: The welding assembly further comprises a third moving plate (420) and a fourth moving plate (520) capable of moving close to or away from each other, the first pressing plate (410) is elastically connected with the third moving plate (420), and the second pressing plate (510) is elastically connected with the fourth moving plate (520).
6. The film attachment mechanism of claim 1, wherein: The film pressing surface of the first pressing plate (410) and the film pressing surface of the second pressing plate (510) are provided with an anti-sticking layer.
7. The film attachment mechanism of claim 6, wherein: The heating element is a heating strip, and the anti-sticking layer is a Teflon patch covering the heating part of the heating strip.
8. The film attachment mechanism of claim 1, wherein: The film pressing surface of the first pressing plate (410) and the film pressing surface of the second pressing plate (510) are provided with air blowing holes.
9. The film attachment mechanism of claim 1, wherein: The first sub-film fixing member (610) and the first pressing plate (410) move simultaneously, and the second sub-film fixing member (710) and the second pressing plate (510) move simultaneously.
10. The film attachment mechanism of claim 9, wherein: The first sub-film fixing member comprises a first film clamping plate (611) and a first connecting plate (612), the first connecting plate (612) is fixed with the first pressing plate (410), the first sub-film fixing member is arranged on the first connecting plate (612), and the first film clamping plate (611) is capable of moving relative to the first pressing plate (410); the second sub-film fixing member (710) comprises a second film clamping plate (711) and a second connecting plate (712), the second connecting plate (712) is fixed with the second pressing plate (510), the second sub-film fixing member (710) is arranged on the second connecting plate (712), and the second film clamping plate (711) is capable of moving relative to the second pressing plate (510). The film pressing surface of the first pressing plate (410) and the film pressing surface of the second pressing plate (510) are provided with air blowing holes. The first sub-film fixing member (610) and the first pressing plate (410) move simultaneously, and the second sub-film fixing member (710) and the second pressing plate (510) move simultaneously. The first sub-film fixing member comprises a first film clamping plate (611) and a first connecting plate (612), the first connecting plate (612) is fixed with the first pressing plate (410), the first sub-film fixing member is arranged on the first connecting plate (612), and the first film clamping plate (611) is capable of moving relative to the first pressing plate (410); the second sub-film fixing member (710) comprises a second film clamping plate (711) and a second connecting plate (712), the second connecting plate (712) is fixed with the second pressing plate (510), the second sub-film fixing member (710) is arranged on the second connecting plate (712), and the second film clamping plate (711) is capable of moving relative to the second pressing plate (510).