Fuel cell frame packaging jig

Abstract

The utility model relates to the technical field of fuel cell proton exchange membrane preparation, in particular to a fuel cell frame packaging jig which comprises a main laminating platform, a left laminating platform, a right laminating platform and a heating rolling mechanism, the main laminating platform is used for placing a first frame; the left laminating platform is hinged to the left side of the main laminating platform and is used for placing and fixing a second frame; a boss for placing and fixing the CCM or the PEM is arranged on the right laminating platform, and the right laminating platform is hinged to the right side of the main laminating platform; and the heating and rolling mechanism is arranged in the main laminating platform and is used for heating and rolling the surface of the main laminating platform. The laminating machine has the advantages that all materials can be placed on the laminating platform at a time, so that the laminating efficiency is improved; the laminating platform is not in contact with the adhesive layer of the frame, so that the cleanliness of the adhesive layer of the frame is ensured; the two rubber rollers with different hardness are arranged, so that the two process routes of packaging first and then CCM preparation and CCM preparation first and then packaging can be compatible.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel cell proton exchange membrane preparation technical field, especially a kind of fuel cell frame packaging fixture. BACKGROUND

[0002] Membrane electrode (MEA) is the core component of proton exchange membrane fuel cell, determines the performance, life and cost of fuel cell system.MEA is composed of proton exchange membrane (PEM), cathode and anode catalyst layer (CL), sealing frame, diffusion layer (GDL).Among them, cathode and anode catalyst layer is coated on the both sides of PEM to form three-in-one (CCM), and sealing frame is attached on the both sides of CCM.

[0003] The existing frame packaging process needs to position CCM / PEM and frame in the corresponding fixture, then transfer to upper and lower pressing plate, and finally complete packaging using pressing machine. This method is complex, and the efficiency is low; Air bubbles are easily brought in during packaging process, which affects product quality.

[0004] The patent with publication number "CN222008091U" proposes a water electrolysis hydrogen production membrane electrode frame packaging jig, which solves the technical problems in the above-mentioned proton exchange membrane frame packaging, but in the packaging process, the fitting platform will contact the adhesive layer of the sealing frame, which will affect the cleanliness of the adhesive layer and further affect the sealing effect of the frame. And the above-mentioned patent is only suitable for the process of preparing CCM first and then packaging, and is not good for the process of packaging first and then preparing CCM. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the shortcomings of prior art, and provides a kind of fuel cell frame packaging jig.

[0006] The utility model aims at overcoming the shortcomings of prior art, and provides a kind of fuel cell frame packaging jig.

[0007] The main fitting platform is used to place the first frame;

[0008] The left fitting platform is hinged to the left side of the main fitting platform so that the left fitting platform can be rotated to fit the upper surface of the main fitting platform, and the left fitting platform is provided with a first fixing structure for fixing the second frame;

[0009] The right fitting platform is hinged to the right side of the main fitting platform so that the right fitting platform can be rotated to fit the upper surface of the main fitting platform, and the right fitting platform is provided with a second fixing structure for fixing CCM or PEM;

[0010] The heating and rolling mechanism is arranged in the main laminating platform, and is used for heating and rolling the surface of the main laminating platform, so that the first frame and the second frame are hot laminated with the CCM or the PEM.

[0011] The utility model discloses through setting left laminating platform, right laminating platform and main laminating platform, can disposablely put all material, need not feeding in the middle of laminating, has improved laminating efficiency, and through heating and rolling mechanism rolling, discharges bubble. Meanwhile through setting boss on the right laminating platform of placing CCM or PEM, when right laminating platform transfers CCM or PEM to main laminating platform, will not contact the glue layer of first frame, guarantees the cleanliness of glue layer, improves the effect of laminating.

[0012] In some embodiments, the front and rear sides of the main laminating platform are provided with limiting ears, and a limiting rod is detachably arranged in the limiting ear. By cooperating the limiting ear with the limiting rod, the left laminating platform or the right laminating platform laminated with the main laminating platform is locked, so that the left laminating platform and the right laminating platform do not move, and when the heating and rolling mechanism rolls, greater pressure can be applied to improve the laminating effect.

[0013] In some embodiments, the first fixing structure includes an adsorption hole arranged on the surface of the left laminating platform, the left laminating platform is a hollow structure, and the internal cavity of the left laminating platform is connected to a negative pressure source. The second frame is fixed by vacuum adsorption.

[0014] In some embodiments, the second fixing structure includes an adsorption hole arranged on the surface of the boss, the boss is a hollow structure, and the internal cavity of the boss is connected to a negative pressure source. The CCM or the PEM is fixed by vacuum adsorption.

[0015] In some embodiments, the top of the main laminating platform is provided with a taut net, and the main laminating platform is a hollow structure, and the hollow cavity of the main laminating platform is connected to a negative pressure source. The first frame is adsorbed by vacuum adsorption.

[0016] In some embodiments, the main laminating platform and the left laminating platform are provided with positioning holes, the positioning holes on the main laminating platform are used for positioning the first frame, and the positioning holes on the left laminating platform are used for positioning the second frame. The first frame and the second frame are provided with corresponding positioning holes, which facilitates positioning when the first frame and the second frame are placed.

[0017] In some embodiments, the heating and rolling mechanism includes a guide rail, a hard heating roller assembly and a soft heating roller assembly, the guide rail is arranged in the main laminating platform in the left-right direction, and the hard heating roller assembly and the soft heating roller assembly are slidably connected with the guide rail. The heating and rolling mechanism can move left and right through the sliding rail to realize the rolling function.

[0018] In some embodiments, the hard heating roller assembly comprises a sliding block, a telescopic rod and a hard heating rubber roller; the sliding block is in sliding connection with the guide rail, the telescopic rod is vertically arranged on the sliding block, and the hard heating rubber roller is in rotary connection with the top telescopic end of the telescopic rod. By arranging the telescopic rod, the hard heating rubber roller can move up and down to provide pressure for rolling.

[0019] In some embodiments, the soft heating roller assembly comprises a sliding block, a telescopic rod and a soft heating rubber roller; the sliding block is in sliding connection with the guide rail, the telescopic rod is vertically arranged on the sliding block, and the soft heating rubber roller is in rotary connection with the top telescopic end of the telescopic rod. By arranging the telescopic rod, the soft heating rubber roller can move up and down to provide pressure for rolling.

[0020] In some embodiments, the Shore hardness of the hard heating rubber roller ranges from 50 to 80 HA, and the Shore hardness of the soft heating rubber roller ranges from 20 to 40 HA. By arranging the hard heating rubber roller and the soft heating rubber roller to have different hardness, the device is suitable for both the process of packaging first and preparing CCM later and the process of preparing CCM first and packaging later.

[0021] The utility model has the following advantages:

[0022] 1. The utility model discloses a convex platform is arranged on the right bonding platform, and CCM or PEM is placed to the convex platform, and the right bonding platform is rotated and makes the convex platform bond with the main bonding platform, so as to bond CCM or PEM with the first frame, in this process, because the convex platform is arranged, avoids the first frame contact right bonding platform, guarantees the cleanliness of the glue layer on the first frame, improves the bonding effect.

[0023] 2. By setting the soft heating rubber roller and the hard heating rubber roller, for the process of packaging first and preparing CCM later, the soft heating rubber roller is used for the first time bonding, and the hard heating rubber roller is used for the second time bonding. The soft heating rubber roller has a good deformation amount, can bond the PEM supporting film material to the PEM exposed surface, and is beneficial to the subsequent preparation of the catalytic layer on the two sides of the PEM. The hard heating rubber roller has a small deformation amount and is used for bonding the second frame and the first frame and the PEM semi-finished product, so as to reduce the mechanical damage to the PEM. For the process of preparing CCM first and packaging later, because there is no PEM supporting film, the hard rubber roller is used for twice bonding. The applicability of the jig is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic view of the fuel cell frame packaging jig.

[0025] In the diagram: 1. Main bonding platform; 11. Tensioning mesh; 12. Limiting ear; 2. Left bonding platform; 3. Right bonding platform; 31. Boss; 41. Guide rail; 42. Slider; 43. Telescopic rod; 44. Hard heating roller; 45. Soft heating roller; 5. First frame; 6. Second frame; 7. Positioning hole. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present utility model and are not intended to limit the present utility model; that is, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The components of the embodiments of the present utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0027] The present invention will be further described below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited to the following description.

[0028] like Figure 1 As shown, a fuel cell frame packaging fixture includes a main bonding platform 1, a left bonding platform 2, a right bonding platform 3, and a heating roller pressing mechanism.

[0029] The main bonding platform 1 is used to place the first frame 5;

[0030] The left bonding platform 2 is hinged to the left side of the main bonding platform 1 so that the left bonding platform 2 can rotate to fit against the upper surface of the main bonding platform 1. The left bonding platform 2 is provided with a first fixing structure for fixing the second frame 6.

[0031] The right bonding platform 3 is provided with a boss 31 for placing CCM or PEM. The right bonding platform 3 is hinged to the right side of the main bonding platform 1 so that the right bonding platform 3 can be rotated until the boss 31 is attached to the upper surface of the main bonding platform 1. The boss 31 is provided with a second fixing structure for fixing CCM or PEM.

[0032] The heating and rolling mechanism is disposed within the main bonding platform 1. The heating and rolling mechanism is used to heat and roll the surface of the main bonding platform 1 so that the first frame 5 and the second frame 6 are thermally bonded to CCM or PEM.

[0033] Specifically, in this embodiment, both the left bonding platform 2 and the right bonding platform 3 are made of stainless steel. The left bonding platform 2 and the right bonding platform 3 are hinged to the main bonding platform 1 on the left and right sides of the main bonding platform 1, respectively. Both the left bonding platform 2 and the right bonding platform 3 can rotate 180°. The size of the boss 31 is consistent with the size of the CCM or PEM.

[0034] In the process of using the embodiment, first, the first frame 5 is placed on the main bonding platform 1, the second frame 6 is fixed on the left bonding platform 2, and the CCM or PEM is fixed on the boss 31 of the right bonding platform 3; then the right bonding platform 3 is rotated, so that the boss 31 of the right bonding platform 3 is bonded with the main bonding platform 1, and then the CCM or PEM is coincided with the first frame 5; since the boss 31 is consistent with the size of the CCM or PEM, the boss 31 and the right bonding platform 3 will not contact the glue layer of the first frame 5, so as to avoid affecting the cleanliness of the glue layer; at this time, the heating roller pressing mechanism performs the first heating and rolling, after the first rolling is completed, the fixing between the boss 31 and the CCM or PEM is released, the right bonding platform 3 is turned over, and the right bonding platform 3 is away from the main bonding platform 1; then the left bonding platform 2 is rotated, so that the left bonding platform 2 is rotated to be bonded with the main bonding platform 1, and then the second frame 6 layer is bonded with the CCM or PEM; at this time, the heating roller pressing mechanism performs the second rolling, and the packaging is completed.

[0035] Preferably, the front and rear sides of the main bonding platform 1 are provided with limiting ears 12, and a limiting rod is detachably arranged in the limiting ear 12. When the left bonding platform 2 is bonded with the main bonding platform 1 or the boss 31 of the right bonding platform 3 is bonded with the main bonding platform 1, the limiting rod is arranged in the limiting ear 12, so that the left bonding platform 2 and the right bonding platform 3 are limited and cannot be turned over; at this time, the heating roller pressing mechanism can apply a larger rolling force to achieve a better packaging effect.

[0036] Preferably, the first fixing structure includes an adsorption hole (not shown in the figure) arranged on the surface of the left bonding platform 2, the left bonding platform 2 is a hollow structure, and the internal cavity of the left bonding platform 2 is communicated with a negative pressure source. Specifically, in the embodiment, the negative pressure source is a negative pressure fan or a vacuum pump. Since the left bonding platform is turned over during the work of the jig, in order to avoid the second frame 6 from falling during the turning over process, the adsorption hole is arranged to adsorb and fix the second frame 6.

[0037] Preferably, the second fixing structure includes an adsorption hole arranged on the surface of the boss 31, the boss 31 is a hollow structure, and the internal cavity of the boss 31 is communicated with a negative pressure source. During the work of the jig, the right bonding platform 3 is turned over, in order to prevent the CCM or PEM from falling during the turning over process, the adsorption hole is arranged on the surface of the boss 31 to adsorb and fix the CCM or PEM.

[0038] Preferably, the top of the main lamination platform 1 is provided with a flexible taut net 11, and the inside of the main lamination platform 1 is a hollow structure, and the hollow cavity of the main lamination platform 1 is connected to a negative pressure source. In order to avoid the movement of the first frame 5 placed on the main lamination platform 1, the negative pressure source is arranged to adsorb and fix the first frame 5, and at the same time, it is convenient for the heating roller pressing mechanism to roll and laminate the first frame 5 and the CCM or PEM. The top of the main lamination platform 1 is provided with a flexible taut net 11.

[0039] Preferably, the main lamination platform 1 and the left lamination platform 2 are both provided with positioning holes 7, the positioning holes 7 on the main lamination platform 1 are used for positioning the first frame 5, and the positioning holes 7 on the left lamination platform 2 are used for positioning the second frame 6. In order to ensure that the first frame 5 and the second frame 6 are placed in the correct position, positioning holes 7 are arranged on the main lamination platform 1 and the left lamination platform 2, and corresponding positioning holes 7 are arranged on the first frame 5 and the second frame 6. When placing the first frame 5 and the second frame 6, positioning is performed through the positioning holes 7.

[0040] Preferably, the heating roller pressing mechanism includes a guide rail 41, a hard heating roller assembly and a soft heating roller assembly, the guide rail 41 is arranged inside the main lamination platform 1 along the left-right direction, and the hard heating roller assembly and the soft heating roller assembly are both in sliding connection with the guide rail 41. Specifically, in this embodiment, the hard heating roller assembly and the soft heating roller assembly are driven to slide along the guide rail 41 by a motor to achieve roller pressing. In other embodiments, the hard heating roller assembly or the soft heating roller assembly can also be driven to achieve roller pressing by being manually pushed. By arranging the hard heating roller assembly and the soft heating roller assembly, the jig can meet different process scenarios.

[0041] Preferably, the hard heating roller assembly includes a sliding block 42, a telescopic rod 43 and a hard heating rubber roller 44; the sliding block 42 is in sliding connection with the guide rail 41, the telescopic rod 43 is vertically arranged on the sliding block 42, and the hard heating rubber roller 44 is in rotary connection with the top telescopic end of the telescopic rod 43.

[0042] Specifically, in the present embodiment, the front side and the rear side in the main laminating platform 1 are provided with guide rails 41 in the left-right direction, and correspondingly, one hard heating rubber roller 44 is provided with two sliding blocks 42 and two telescopic rods 43, the two telescopic rods 43 are respectively rotatably connected to the two ends of the hard heating rubber roller 44, the two sliding blocks 42 are respectively connected to the two telescopic rods 43 at the two ends of the hard heating rubber roller 44, and the two sliding blocks 42 at the two ends of the hard heating rubber roller 44 are respectively slidably connected to the two guide rails 41, so that the hard heating rubber roller 44 has support at both ends when rolling. The hard heating rubber roller 44 is provided with a heating element to heat the hard heating rubber roller 44; the telescopic rod 43 in the present embodiment is a pneumatic cylinder, and in other embodiments, the telescopic rod 43 can also be a hydraulic cylinder or an electric telescopic rod 43, etc. The hard heating rubber roller 44 can move up and down through the telescopic rod 43 to apply pressure to the stretched net 11 to complete packaging.

[0043] Preferably, the soft heating roller assembly comprises a sliding block 42, a telescopic rod 43 and a soft heating rubber roller 45, the sliding block 42 is slidably connected to the guide rail 41, the telescopic rod 43 is vertically arranged on the sliding block 42, and the soft heating rubber roller 45 is rotatably connected to the top telescopic end of the telescopic rod 43. Specifically, in the present embodiment, one soft heating rubber roller 45 is provided with two sliding blocks 42 and two telescopic rods 43, the two telescopic rods 43 are respectively rotatably connected to the two ends of the soft heating rubber roller 45, the two sliding blocks 42 are respectively connected to the two telescopic rods 43 at the two ends of the soft heating rubber roller 45, and the two sliding blocks 42 at the two ends of the soft heating rubber roller 45 are respectively slidably connected to the two guide rails 41, so that the soft heating rubber roller 45 has support at both ends. The soft heating rubber roller 45 is provided with a heating element to heat the soft heating rubber roller 45. The soft heating rubber roller can move up and down through the telescopic rod 43 to apply pressure to the stretched net 11 to complete packaging.

[0044] Preferably, the Shore hardness of the hard heating rubber roller 44 ranges from 50 to 80 HA, and the Shore hardness of the soft heating rubber roller 45 ranges from 20 to 40 HA.

[0045] The use mode of the present embodiment under the process of packaging first and preparing CCM later is as follows:

[0046] The first frame 5 and the second frame 6 with positioning holes 7 are respectively placed on the main laminating platform 1 and the left laminating platform 2, the PEM supporting film is placed in the hollow area of the first frame 5 on the main laminating platform 1, the PEM with a back film is placed on the boss 31 of the right laminating platform 3 with the back film side facing down, and the negative pressure sources of the three platforms are started.

[0047] The right lamination platform 3 is flipped 180° to the left of the main lamination platform 1, a limiting rod is used to pass through the limiting lug 12 to fix the right lamination platform 3, the soft heating rubber roller 45 is lifted to the specified height, and then the motor is started to control the soft heating rubber roller 45 to complete the first frame 5 and PEM lamination from right to left, after the lamination is completed, the soft heating rubber roller 45 is lowered to the initial height, and the soft heating rubber roller 45 returns to the right initial position. The negative pressure source of the right lamination platform 3 is turned off, and is flipped 180° to the right to the initial position.

[0048] The PEM self-back film is torn off, the left lamination platform 2 is flipped 180° to the right of the main lamination platform 1, a limiting rod is used to pass through the limiting lug 12 to fix the left lamination platform 2, the hard heating rubber roller 44 is lifted to the specified height, and then the second frame 6 and the first frame 5 are completed with the PEM semi-finished product lamination from left to right, after the lamination is completed, the hard heating rubber roller 44 is lowered, and the hard heating rubber roller 44 returns to the left initial position. The negative pressure source of the left lamination platform 2 is turned off, and is flipped 180° to the left to the initial position.

[0049] The negative pressure source of the main lamination platform 1 is turned off, and the product is taken out for subsequent spraying process.

[0050] The use mode of the present embodiment under the process of packaging CCM after preparation is as follows:

[0051] The second frame 6 with the positioning hole 7 and the first frame 5 are respectively placed on the left lamination platform 2 and the main lamination platform 1, the CCM is placed on the boss 31 of the right lamination platform 3, and the negative pressure sources of the three platforms are turned on.

[0052] The right lamination platform 3 is flipped 180° to the left of the main lamination platform 1, a limiting rod is used to pass through the limiting lug 12 to fix the right lamination platform 3, the hard heating rubber roller 44 is lifted to the specified height, and then the first frame 5 is completed with the CCM semi-finished product lamination from left to right, after the lamination is completed, the hard heating rubber roller 44 is lowered and returns to the left initial position. The negative pressure source of the right lamination platform 3 is turned off, and is flipped 180° to the right to the original position.

[0053] The left lamination platform 2 is flipped 180° to the right of the main lamination platform 1, a limiting rod is used to pass through the limiting lug 12 to fix the left lamination platform 2, the hard heating rubber roller 44 is lifted to the specified height, and then the second frame 6 and the first frame 5 are completed with the CCM semi-finished product lamination from left to right, after the lamination is completed, the hard heating rubber roller 44 is lowered and returns to the left initial position. The negative pressure source of the left lamination platform 2 is turned off, and is flipped 180° to the left to the original position.

[0054] The intermediate platform adsorption is turned off, and the finished product is taken out to complete the CCM packaging.

[0055] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form. Any person skilled in the art, without departing from the technical scheme of the present application, can make many possible changes and modifications to the technical scheme of the present application, or modify equivalent embodiments with equivalent changes. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technical scheme of the present application, without departing from the technical scheme of the present application, all belong to the protection scope of the present technical scheme.

Claims

1. A fuel cell frame packaging fixture, characterized in that, include: Main bonding platform (1), the main bonding platform (1) is used to place the first frame (5); The left bonding platform (2) is hinged to the left side of the main bonding platform (1) so that the left bonding platform (2) can be rotated to fit the upper surface of the main bonding platform (1). The left bonding platform (2) is provided with a first fixing structure for fixing the second frame (6). The right bonding platform (3) is provided with a boss (31) for placing CCM or PEM. The right bonding platform (3) is hinged to the right side of the main bonding platform (1) so that the right bonding platform (3) can be rotated to fit the boss (31) with the upper surface of the main bonding platform (1). The boss (31) is provided with a second fixing structure for fixing CCM or PEM. A heating roller pressing mechanism is provided inside the main bonding platform (1). The heating roller pressing mechanism is used to heat and roll the surface of the main bonding platform (1) so that the first frame (5) and the second frame (6) are thermally bonded to CCM or PEM.

2. The fuel cell frame packaging fixture according to claim 1, characterized in that, The main bonding platform (1) is provided with limiting ears (12) on both the front and rear sides, and a limiting rod is detachably inserted in the limiting ears (12).

3. The fuel cell frame packaging fixture according to claim 1, characterized in that, The first fixing structure includes an adsorption hole disposed on the surface of the left bonding platform (2). The left bonding platform (2) is a hollow structure, and the internal cavity of the left bonding platform (2) is connected to a negative pressure source.

4. The fuel cell frame packaging fixture according to claim 1, characterized in that, The second fixing structure includes an adsorption hole disposed on the surface of the boss (31), the boss (31) is a hollow structure, and the internal cavity of the boss (31) is connected to a negative pressure source.

5. A fuel cell frame packaging fixture according to claim 1, characterized in that, The top of the main bonding platform (1) is set with a mesh (11) and the inside of the main bonding platform (1) is a hollow structure. The hollow cavity of the main bonding platform (1) is connected to a negative pressure source.

6. A fuel cell frame packaging fixture according to claim 1, characterized in that, Both the main bonding platform (1) and the left bonding platform (2) are provided with positioning holes (7). The positioning holes (7) on the main bonding platform (1) are used to position the first frame (5), and the positioning holes (7) on the left bonding platform (2) are used to position the second frame (6).

7. A fuel cell frame packaging fixture according to claim 1, characterized in that, The heating roller pressing mechanism includes a guide rail (41), a hard heating roller assembly and a soft heating roller assembly. The guide rail (41) is arranged inside the main bonding platform (1) in the left-right direction. The hard heating roller assembly and the soft heating roller assembly are slidably connected to the guide rail (41).

8. A fuel cell frame packaging fixture according to claim 7, characterized in that, The rigid heating roller assembly includes a slider (42), a telescopic rod (43), and a rigid heating roller (44); the slider (42) is slidably connected to the guide rail (41), the telescopic rod (43) is vertically arranged on the slider (42), and the rigid heating roller (44) is rotatably connected to the top telescopic end of the telescopic rod (43).

9. A fuel cell frame packaging fixture according to claim 8, characterized in that, The soft heating roller assembly includes a slider (42), a telescopic rod (43), and a soft heating roller (45). The slider (42) is slidably connected to the guide rail (41). The telescopic rod (43) is vertically arranged on the slider (42). The soft heating roller (45) is rotatably connected to the top telescopic end of the telescopic rod (43).

10. A fuel cell frame packaging fixture according to claim 9, characterized in that, The hard heating roller (44) has a Shore hardness range of 50 to 80 HA, and the soft heating roller (45) has a Shore hardness range of 20 to 40 HA.

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