GDL cutting and forming device based on circulating belt transmission
By combining a circulating belt drive and a belt feeding mechanism, the problems of breakage and wear of GDL belts during conveying and cutting are solved, achieving efficient and precise GDL cutting and forming, reducing costs and improving material utilization.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 湖南隆深氢能科技有限公司
- Filing Date
- 2025-05-27
- Publication Date
- 2026-04-10
AI Technical Summary
In existing technologies, GDL conveyor belts are prone to breakage during conveying and cutting, vacuum belts wear out, costs are high, and cutting accuracy is inaccurate, resulting in material waste.
The GDL cutting and forming device based on the circulating belt drive uses a circulating belt drive made of PET material to transport GDL material belts. The GDL material belts are bonded to the circulating belt as a whole for transport through a tape feeding mechanism, so as to achieve precise positioning and fixed protection.
It improves the cutting and forming efficiency of GDL strips, reduces costs, avoids strip breakage and vacuum belt wear, and enhances cutting accuracy and material utilization.
Smart Images

Figure CN224103055U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to GDL cutting forming technical field especially relates to a kind of GDL cutting forming device based on circulating belt drive. BACKGROUND
[0002] GDL, full name is Gas Diffusion Layer, Chinese name is gas diffusion layer, is one of the core components in proton exchange membrane fuel cell (PEMFC), direct methanol fuel cell (DMFC) and other hydrogen fuel cells, it is membrane structure, set between the catalyst layer and bipolar plate of fuel cell, as the bridge between the two, simultaneously play the reaction gas transmission, discharge generated water, conduct heat and electric current and play the supporting role, is the indispensable component in fuel cell.
[0003] In the production process of GDL at present, including the cutting forming operation of GDL material belt, GDL material belt needs to be fed and conveyed to cutting mechanism for cutting. In the industrial field, since GDL material belt needs certain tension in conveying process, the traditional conveying mode of GDL material belt is to use vacuum belt for conveying, but when conveying GDL material belt, firstly, GDL material belt is relatively brittle in itself, if vacuum belt is used for conveying, GDL material belt is prone to fracture; secondly, GDL material belt needs cutting forming operation, and in the cutting process, cutting action is also performed on vacuum belt, which can cause wear of vacuum belt, and the vacuum belt needs to be replaced after a period of time, and since the price of vacuum belt is relatively high, the cost is higher; thirdly, GDL material belt has strong air permeability, and when vacuum belt is used for conveying, GDL material belt is prone to relative displacement between GDL material belt and vacuum belt, so that GDL material belt exceeds cutting area during cutting, causing material waste. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of GDL cutting forming devices based on circulating belt drive, realize the accurate feeding of GDL material belt, effectively improve the cutting forming efficiency of GDL material belt.
[0005] The utility model provides a kind of GDL cutting forming device based on circulating belt drive, the device includes circulating belt component, cutting mechanism, base, adhesive tape feeding mechanism, the circulating belt component is set on the base, the cutting mechanism is set in the upper of the circulating belt component, the feed end of the circulating belt component is set and is rolled up and is fed to device, the adhesive tape feeding mechanism is installed on the rolled up and is fed to device;
[0006] The circulating belt assembly comprises a circulating belt and a circulating belt mounting assembly arranged on the base, the circulating belt mounting assembly comprises a circulating belt mounting skeleton and a plurality of guide roller shaft assemblies, the circulating belt mounting skeleton comprises a feeding part, a cutting part and a discharging part, the plurality of guide roller shaft assemblies are arranged around the feeding part, the cutting part and the discharging part of the circulating belt mounting skeleton, and the circulating belt is mounted on the circulating belt mounting skeleton and connected with the plurality of guide roller shaft assemblies.
[0007] Further, the plurality of guide roller shaft assemblies comprise a first guide roller shaft assembly, a second guide roller shaft assembly, a third guide roller shaft assembly, a fourth guide roller shaft assembly, a fifth guide roller shaft assembly, a sixth guide roller shaft assembly and a seventh guide roller shaft assembly, the first guide roller shaft assembly is arranged between the feeding part and the cutting part, the second guide roller shaft assembly is arranged below the feeding part, the third guide roller shaft assembly is arranged below the second guide roller shaft assembly, the fourth guide roller shaft assembly is arranged below the third guide roller shaft assembly, the fifth guide roller shaft assembly is arranged below the discharging part, the sixth guide roller shaft assembly is arranged on the lower surface of the discharging part, and the seventh guide roller shaft assembly is arranged at the end of the discharging part.
[0008] Further, the material of the circulating belt is a sheet type PET.
[0009] Further, the thickness of the circulating belt is 0.1mm-0.5mm.
[0010] Further, the adhesive tape feeding mechanism comprises an adhesive tape feeding support, an adhesive tape feeding bearing seat and an adhesive tape feeding roller shaft, the adhesive tape feeding bearing seat is mounted on the adhesive tape feeding support, the middle part of the adhesive tape feeding roller shaft is mounted on the adhesive tape feeding bearing seat, and the two ends of the adhesive tape feeding roller shaft are respectively provided with adhesive tape feeding units.
[0011] Further, the two ends of the adhesive tape feeding roller shaft are further provided with scale bars.
[0012] Further, the device further comprises an adhesive tape guide roller shaft assembly, the adhesive tape guide roller shaft assembly is arranged above the feeding part and the cutting part, and the axis of the adhesive tape guide roller shaft assembly is parallel to the axis of the adhesive tape feeding roller shaft.
[0013] Further, cutting assembly support columns are arranged around the cutting part, and the cutting mechanism is arranged above the cutting part based on the cutting assembly support columns.
[0014] Further, the device further comprises an adhesive tape breakage detection assembly, and the adhesive tape breakage detection assembly is arranged above the feeding part and the cutting part.
[0015] Further, the device also includes a controller.
[0016] The utility model provides a kind of GDL cutting forming device based on circulating belt drive, and GDL material belt is transported using the conveying mode of the circulating belt drive of PET material, it is applicable to the GDL material belt of flexible material, and material is thin and fragile, will not cause damage to the structure of GDL material belt, and can flexibly adjust conveying speed, realize the accurate positioning of GDL material belt under cutting mechanism, realize the accurate feeding of GDL material belt, while saving cost, effectively improve the cutting forming efficiency of GDL material belt;Setting tape feeding mechanism, by the feeding of waste tape, GDL material belt and circulating band are pasted into a whole and are transported, realize the fixed protection effect to GDL material belt, further improve the conveying efficiency and cutting forming efficiency of GDL material belt. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.
[0018] Figure 1 It is the GDL cutting forming device structure first schematic view in the embodiments of the utility model;
[0019] Figure 2 It is the GDL cutting forming device and unwinding feeding device assembly structure schematic view in the embodiments of the utility model;
[0020] Figure 3 It is the GDL cutting forming device structure second schematic view in the embodiments of the utility model;
[0021] Figure 4 It is the tape feeding mechanism structure schematic view in the embodiments of the utility model;
[0022] Figure 5 It is the GDL cutting forming device structure third schematic view in the embodiments of the utility model;
[0023] Figure 6 It is the tape break detection subassembly structure schematic view in the embodiments of the utility model. DETAILED DESCRIPTION
[0024] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0025] In the present application, it should be understood that terms such as "including" or "having" are intended to indicate the presence of features, numbers, steps, actions, components, parts or combinations thereof disclosed in the specification, and do not exclude the possibility of existence or addition of one or more other features, numbers, steps, actions, components, parts or combinations thereof.
[0026] In addition, it should be further pointed out that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0027] The embodiment of the present application provides a GDL cutting forming device based on circulating belt transmission, the device comprises a circulating belt assembly, a cutting mechanism, a base, a tape feeding mechanism, the circulating belt assembly is arranged on the base, the cutting mechanism is arranged above the circulating belt assembly, the feeding end of the circulating belt assembly is provided with a unwinding feeding device, and the tape feeding mechanism is installed on the unwinding feeding device.
[0028] In one optional implementation manner of the embodiment, as shown in Figure 1 and Figure 2 , the GDL cutting forming device in the embodiment of the present application is shown in the first schematic diagram of the structure, Figure 1 the GDL cutting forming device in the embodiment of the present application is shown in the first schematic diagram of the structure, Figure 2 the GDL cutting forming device in the embodiment of the present application is shown in the first schematic diagram of the structure, the device comprises a circulating belt assembly 1, a cutting mechanism 2, a base 3 and a tape feeding mechanism 4, the circulating belt assembly 1 is arranged on the base 3, the cutting mechanism 2 is arranged above the circulating belt assembly 1, the feeding end of the circulating belt assembly 1 is provided with a unwinding feeding device 5, and the tape feeding mechanism 4 is installed on the unwinding feeding device 5.
[0029] In one optional implementation manner of the embodiment, as shown in Figure 1 , the circulating belt assembly 1 comprises a circulating belt 11 and a circulating belt mounting assembly 12, and the circulating belt mounting assembly 12 is arranged on the base 3.
[0030] Further, as shown in Figure 1 and Figure 3 , the GDL cutting forming device in the embodiment of the present application is shown in the first schematic diagram of the structure, Figure 3The second schematic view of the GDL cutting forming device structure in the embodiment of the utility model is shown, Figure 3 In order to clearly show the structure of the circulating belt mounting assembly 12, the cutting mechanism 2 and the circulating belt 11 are hidden in the figure, Figure 1 The circulating belt mounting assembly 12 comprises a circulating belt mounting framework 6 and a plurality of guide roller shaft assemblies, the circulating belt mounting framework 6 comprises a feeding part 61, a cutting part 62 and a discharging part 63, the feeding part 61, the cutting part 62 and the discharging part 63 are sequentially connected, the plurality of guide roller shaft assemblies are mounted around the feeding part 61, the cutting part 62 and the discharging part 63 of the circulating belt mounting framework 6, and the circulating belt 11 is mounted on the circulating belt mounting framework 6 and connected with the plurality of guide roller shaft assemblies.
[0031] Specifically, the circulating belt mounting framework 6 refers to a whole plate horizontally placed on the base 3, the plurality of guide roller shaft assemblies are arranged around the circulating belt mounting framework 6, the circulating belt 11 is arranged around the circulating belt mounting framework 6 and connected with the plurality of guide roller shaft assemblies, and moves under the driving of the rotation of the plurality of guide roller shaft assemblies.
[0032] In an optional implementation manner of the embodiment, the plurality of guide roller shaft assemblies comprise a first guide roller shaft assembly 71, a second guide roller shaft assembly 72, a third guide roller shaft assembly 73, a fourth guide roller shaft assembly 74, a fifth guide roller shaft assembly 75, a sixth guide roller shaft assembly 76 and a seventh guide roller shaft assembly 77, the first guide roller shaft assembly 71 is arranged between the feeding part 61 and the cutting part 62, the second guide roller shaft assembly 72 is arranged below the feeding part 61, the third guide roller shaft assembly 73 is arranged below the second guide roller shaft assembly 72, the fourth guide roller shaft assembly 74 is arranged below the third guide roller shaft assembly 73, the fifth guide roller shaft assembly 75 is arranged below the discharging part 63, the sixth guide roller shaft assembly 76 is arranged on the lower surface of the discharging part 63, and the seventh guide roller shaft assembly 77 is arranged at the end of the discharging part 63.
[0033] Specifically, the first guide roller shaft assembly 71, the second guide roller shaft assembly 72, the third guide roller shaft assembly 73, the fourth guide roller shaft assembly 74, the fifth guide roller shaft assembly 75, the sixth guide roller shaft assembly 76 and the seventh guide roller shaft assembly 77 are arranged around the circulating belt mounting framework 6, rotate under the driving of the motor and drive the circulating belt 11 to rotate and move in a circulating manner.
[0034] Furthermore, the circulating belt 11, driven by the rotation of the first guide roller assembly 71, the second guide roller assembly 72, the third guide roller assembly 73, the fourth guide roller assembly 74, the fifth guide roller assembly 75, the sixth guide roller assembly 76 and the seventh guide roller assembly 77, runs on the circulating belt mounting frame 6 to convey the GDL material belt placed on the circulating belt 11.
[0035] This design employs a GDL (Glass Belt) conveying method based on a circulating belt drive. This method is suitable for conveying flexible, thin, and brittle GDL materials without damaging their structure. It also allows for flexible adjustment of the conveying speed, enabling precise positioning of the GDL material within the cutting mechanism and ensuring accurate feeding. This effectively improves the cutting and forming efficiency of the GDL material.
[0036] In one optional implementation of this embodiment, the material of the recirculating belt 11 is sheet PET.
[0037] Furthermore, the thickness of the circulating belt 11 is 0.1mm-0.5mm.
[0038] The material of the circulating belt here is thin PET sheet with a thickness of 0.1mm-0.5mm. It has high toughness and good thickness uniformity. It can participate in the cutting operation of the cutting mechanism together with GDL material belt without being greatly damaged. It can be reused repeatedly and has a long service life.
[0039] In one optional implementation of this embodiment, such as Figure 4 As shown, Figure 4 A schematic diagram of the tape feeding mechanism in an embodiment of the present invention is shown. The tape feeding mechanism 4 is disposed on the unwinding feeding mechanism 5, that is, disposed obliquely above the feeding end of the circulating belt assembly 1. The tape feeding mechanism 4 includes a tape feeding bracket 41, a tape feeding bearing seat 42, and a tape feeding roller shaft 43. The tape feeding bearing seat 42 is mounted on the tape feeding bracket 41. The middle part of the tape feeding roller shaft 43 is mounted on the tape feeding bearing seat 42. The two ends of the tape feeding roller shaft 43 extend out, and tape feeding units 44 are respectively disposed at both ends.
[0040] Specifically, in actual operation, waste discharge tape rolls are wound on both the left and right sides of the tape feeding unit 44 of the tape feeding roller shaft 43. The tape feeding roller shaft 43 rotates under the drive of the motor, and the waste discharge tape of the waste discharge tape roll extends out and points towards the feed end of the circulating belt 11, sticking both sides of the GDL tape to the circulating belt 11, which plays a role in fixing and protecting it.
[0041] Furthermore, such as Figure 5 As shown,Figure 5 A third schematic view of the GDL cutting and forming device structure in the embodiment of the utility model is shown, Figure 5 On the basis of Figure 1 the structure of the circulating belt 11, the structure of the cutting mechanism 3 is hidden, and the cooperation of the GDL material belt 81 and the waste discharge belt 82 is shown, as shown in Figure 5 The GDL material belt 81 moves and is conveyed on the circulating belt 11, and the waste discharge belt 82 is respectively pasted on both sides of the GDL material belt 81, so as to paste the GDL material belt 81 on the circulating belt 11, thereby playing a role of fixing and protection.
[0042] In an optional implementation manner of the embodiment, as shown in Figure 4 The two ends of the adhesive tape feeding roller shaft 43 are further provided with scale bars 45.
[0043] Here, the two ends of the adhesive tape feeding roller shaft are provided with scale bars, so as to facilitate positioning of the feeding position of the waste discharge belt and improve the pasting accuracy of the waste discharge belt.
[0044] In an optional implementation manner of the embodiment, as shown in Figure 5 The device further comprises an adhesive tape guide roller shaft assembly 46, the adhesive tape guide roller shaft assembly 46 is arranged above the feeding part 61 and the cutting part 62, and the axis of the adhesive tape guide roller shaft assembly 46 is parallel to the axis of the adhesive tape feeding roller shaft 43.
[0045] Further, the adhesive tape guide roller shaft assembly is used for guiding the waste discharge belt to be drawn out from the adhesive tape feeding unit 44 of the adhesive tape feeding mechanism 4 and stably and accurately conveyed onto the circulating belt 11, so as to prevent the waste discharge belt from deviating or twisting during unwinding and improve the cutting and forming efficiency of the GDL material belt.
[0046] Here, the adhesive tape feeding mechanism and the adhesive tape guide roller shaft assembly are arranged, the GDL material belt is pasted with the circulating belt to form a whole for conveying, the fixing and protection of the GDL material belt are realized, and the conveying efficiency and the cutting and forming efficiency of the GDL material belt are further improved.
[0047] In an optional implementation manner of the embodiment, cutting assembly support columns 21 are arranged around the cutting part 62, and the cutting mechanism 2 is arranged above the cutting part 62 based on the cutting assembly support columns 21.
[0048] In an optional implementation manner of the embodiment, as shown in Figure 1 and Figure 6 , the cutting mechanism 2 comprises a cutting mechanism base 22, a cutting mechanism driving motor 23, a cutting mechanism driving belt 24, a cutting mechanism driving pulley 25, a cutting mechanism driven pulley 26, a cutting mechanism driven belt 27, a cutting mechanism cutter 28 and a cutting mechanism cutter driving motor 29. Figure 6The device further comprises a broken tape detection assembly 47, and the broken tape detection assembly 47 is arranged above between the feeding part 61 and the cutting part 62.
[0049] Specifically, the broken tape detection assembly 47 comprises a broken tape detection assembly fixing frame 471 and a broken tape detection sensor 472 arranged on the broken tape detection assembly fixing frame 471.
[0050] Further, the broken tape detection assembly 47 is arranged between the tape feeding mechanism 4 and the tape guide roller shaft assembly 46, and is used for detecting whether the waste tape appears the broken tape phenomenon.
[0051] In an optional implementation of the embodiment, the device further comprises a controller 9.
[0052] Specifically, the controller 9 is used for controlling the operation of the GDL cutting and forming device, including the operation of the circulating belt 11 and the cutting operation of the cutting mechanism 2.
[0053] Working principle: after the GDL tape is fed onto the circulating belt, the GDL tape is conveyed under the driving of the circulating belt, the waste tape is led out in the tape feeding mechanism, conveyed to the circulating belt through the tape guide roller shaft assembly, and the left and right sides of the GDL tape are pasted on the circulating belt, the GDL tape enters below the cutting mechanism under the driving of the waste tape on the circulating belt to perform the cutting and forming operation, and after the cutting is completed, the finished product is separated from the cutting mechanism under the driving of the circulating belt and performs the corresponding discharging operation.
[0054] In conclusion, the embodiment of the utility model provides a GDL cutting and forming device based on circulating belt transmission, adopts the conveying mode of the circulating belt transmission of PET material to convey the GDL tape, is applicable to conveying the GDL tape of flexible material, thin material and fragile material, does not cause the damage to the structure of the GDL tape, can flexibly adjust the conveying speed, realizes the accurate positioning of the GDL tape under the cutting mechanism, realizes the accurate feeding of the GDL tape, saves the cost, effectively improves the cutting and forming efficiency of the GDL tape, sets up the tape feeding mechanism, pastes the GDL tape and the circulating belt into a whole for conveying through the feeding of the waste tape, realizes the fixed protection of the GDL tape, further improves the conveying efficiency and the cutting and forming efficiency of the GDL tape.
[0055] The GDL cutting and forming device based on the circulating belt transmission is described in detail in the above, and the principle and implementation mode of the present application are described by using specific examples in the text, and the above embodiment is only used for helping to understand the method and core idea of the present application; meanwhile, for the general technical personnel in the art, according to the idea of the present application, the specific implementation mode and application range will be changed, and the above is not understood as the limitation of the present application.
Claims
1. A GDL cutting and forming device based on a cycloidal belt drive, characterized by, The device includes a circulating belt assembly, a cutting mechanism, a base, and a tape feeding mechanism. The circulating belt assembly is disposed on the base, the cutting mechanism is disposed above the circulating belt assembly, and an unwinding feeding device is disposed at the feeding end of the circulating belt assembly. The tape feeding mechanism is mounted on the unwinding feeding device. The circulating belt assembly includes a circulating belt and a circulating belt mounting assembly. The circulating belt mounting assembly is disposed on the base. The circulating belt mounting assembly includes a circulating belt mounting frame and a plurality of guide roller assemblies. The circulating belt mounting frame includes a feeding section, a cutting section, and a discharging section. The plurality of guide roller assemblies are mounted around the feeding section, cutting section, and discharging section of the circulating belt mounting frame. The circulating belt is mounted on the circulating belt mounting frame and connected to the plurality of guide roller assemblies.
2. The endless-belt drive based GDL slitting and forming apparatus of claim 1, wherein, The plurality of guide roller assemblies includes a first guide roller assembly, a second guide roller assembly, a third guide roller assembly, a fourth guide roller assembly, a fifth guide roller assembly, a sixth guide roller assembly, and a seventh guide roller assembly. The first guide roller assembly is disposed between the feeding section and the cutting section. The second guide roller assembly is disposed below the feeding section. The third guide roller assembly is disposed below the second guide roller assembly. The fourth guide roller assembly is disposed below the third guide roller assembly. The fifth guide roller assembly is disposed below the discharging section. The sixth guide roller assembly is disposed on the lower surface of the discharging section. The seventh guide roller assembly is disposed at the end of the discharging section.
3. The endless-belt drive based GDL slitting and forming apparatus of claim 1, wherein, The material of the circulation belt is sheet PET.
4. The endless-belt-driven GDL slitting and forming apparatus of claim 1, wherein, The thickness of the circulation belt is 0.1mm-0.5mm.
5. The endless-belt drive based GDL slitting and forming apparatus of claim 1, wherein, The tape feeding mechanism includes a tape feeding bracket, a tape feeding bearing seat, and a tape feeding roller shaft. The tape feeding bearing seat is mounted on the tape feeding bracket, the middle part of the tape feeding roller shaft is mounted on the tape feeding bearing seat, and tape feeding units are respectively provided at both ends of the tape feeding roller shaft.
6. The endless-belt drive based GDL slitting and forming apparatus of claim 5, wherein, The tape feeding roller shaft is also equipped with scale strips at both ends.
7. The endless-belt drive based GDL slitting and forming apparatus of claim 5, wherein, The device also includes a tape guide roller assembly, which is disposed above the feeding section and the cutting section, and the axis of the tape guide roller assembly is parallel to the axis of the tape feeding roller.
8. The endless-belt-driven GDL slitting and forming apparatus of claim 1, wherein, Cutting component support columns are provided around the cutting section, and the cutting mechanism is positioned above the cutting section based on the cutting component support columns.
9. The endless-belt-driven GDL slitting and forming apparatus of claim 1 wherein, The device also includes a tape breakage detection component, which is disposed above the feeding section and the cutting section.
10. The endless-belt-driven GDL slitting and forming apparatus of claim 1, wherein, The device also includes a controller.