CN-121011696-B - Hydrogen fuel cell stack assembling device

CN121011696BCN 121011696 BCN121011696 BCN 121011696BCN-121011696-B

Abstract

The invention relates to the technical field of battery stacks, in particular to a hydrogen fuel battery stack assembling device which comprises a frame, a limiting module, a correction module and a combination module, wherein the limiting module is horizontally arranged on the frame in a crossing mode, the limiting module is provided with a plurality of groups of first limiting rods which can horizontally slide towards the middle of the frame in the radial direction, the side wall of each group of first limiting rods is also provided with a jacking unit which can elastically limit the battery stack in an embedded mode, the correction module is provided with two groups, the two groups of correction modules are horizontally arranged in the frame in a crossing mode and can horizontally slide towards the center of the frame in an inclined mode, the combination module is horizontally arranged at the top of the frame, and the combination module is provided with two combination plates which can be close to or far away from each other and an elastic buckling unit which is arranged on each combination part.

Inventors

LEI HAO
XU PENGHUI
TIAN WENXIAO
ZHAO QILIN
TIAN BINGLUN
WANG FEI
GAO DONGQING
LU FEIXIANG
HAN BING
YAN SHAOKUN

Assignees

协氢(池州)氢能科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250825

Claims (4)

1. A hydrogen fuel cell stack assembly apparatus, comprising: A frame; The limiting module is horizontally arranged on the frame in a crossing manner; the limiting module is provided with a plurality of groups of first limiting rods which can horizontally slide towards the middle of the frame in the radial direction, and the plurality of groups of first limiting rods are enclosed to form an assembly zone capable of assembling the battery stack; The correction modules are provided with two groups, and the two groups of correction modules are horizontally arranged in the rack in a crossing manner; the assembling module is horizontally arranged at the top of the frame and is provided with two assembling plates which can be close to or far away from each other and an elastic buckling and clamping unit arranged on each assembling plate; the limiting module further comprises a first sliding block capable of driving the first limiting rod to radially slide on the frame, a first locking piece capable of dynamically locking the sliding position of the first sliding block, and an adjusting part capable of rotationally adjusting the first limiting rod; the jacking unit is provided with a guide strip capable of being radially contracted and a first spring capable of continuously and radially ejecting the guide strip, and the guide strip is horizontally arranged along the axis of the first limiting rod and is embedded and installed at one side of the first limiting rod; The elastic buckling and clamping unit is provided with two buckling and clamping parts which can be close to or far away from each other and a second spring which can continuously prop the two buckling and clamping parts away from each other, the buckling and clamping parts are also provided with guide rods which can guide the two buckling and clamping parts to automatically contract towards each other, the buckling and clamping parts comprise a third sliding block, buckling and clamping plates and a bayonet, the buckling and clamping plates are vertically and fixedly arranged on one side of the third sliding block, the bayonet penetrates through the buckling and clamping plates, and the guide rods are fixedly arranged at the lower ends of the buckling and clamping plates in an inclined state and are obliquely arranged towards the third sliding block.
2. The hydrogen fuel cell stack assembly according to claim 1, wherein the limiting surface of the guide bar is further provided with a damper patch.
3. The hydrogen fuel cell stack assembly device according to claim 1, wherein the limiting module further comprises a rectifying pressing plate capable of longitudinally limiting the plurality of cell stacks, and the rectifying pressing plate is horizontally arranged at the top of the frame along the long side direction of the frame.
4. The hydrogen fuel cell stack assembly device according to claim 1, wherein the correction module is provided with a second stop lever capable of horizontally sliding toward the middle of the frame in a radial direction and a correction groove obliquely formed on the side wall of the second stop lever.

Description

Hydrogen fuel cell stack assembling device Technical Field The invention relates to the technical field of cell stacks, in particular to a hydrogen fuel cell stack assembling device. Background The hydrogen fuel cell is a green energy device for directly converting hydrogen and oxygen into electric energy through electrochemical reaction, and has the advantages of high energy density, zero emission, suitability for mobile and fixed power supplies and the like. In hydrogen fuel cell applications, the stack (i.e., a fuel cell stack) is used as a core component thereof, and is formed by sequentially stacking, aligning and tightly pressing a plurality of members such as Membrane Electrode Assemblies (MEA), electrode plates, sealing gaskets, etc., and the assembly accuracy directly affects the air tightness, conductivity, cooling efficiency and overall output performance of the stack. The Chinese patent publication No. CN110828875B discloses a hydrogen fuel cell stack assembly device, which comprises a cell stack assembly platform, an air tightness tester and an angle tester, wherein the cell stack assembly platform comprises a supporting plate, a bracket and a bearing plate, the transverse section of the bracket is trapezoidal, the lower bottom of the bracket is fixedly arranged on the lower surface of the supporting plate, the bearing plate is vertically connected with one end of the supporting plate, the air tightness tester is arranged around the cell stack assembly platform and connected with a cell stack positioned on the supporting plate through a pipeline, and the angle tester is arranged on the supporting plate. According to the invention, the bracket is arranged below the electric pile assembling platform, so that an operator can quickly adjust the placing mode of the electric pile assembling platform according to the assembling requirement, the problem that other electric pile components have vertical acting force on the membrane electrode in the assembling process of the electric pile is solved, the compression amount of the membrane electrode is effectively controlled, the performance and the service life of the electric pile are ensured, but the assembling mode is mostly carried out in a semi-automatic or manual mode, and the auxiliary positioning is dependent on manual lamination or a simple clamp. The method has the following defects that firstly, the manual alignment precision is low, the phenomena of dislocation, pressure deviation and the like are easy to occur among battery units, and the sealing and electrochemical reaction efficiency of a stack body are further influenced, secondly, a unified pressure control means is lacking, uneven stress in the assembly process is easy to cause damage of a membrane electrode assembly or inconsistent thickness of a galvanic pile, and the consistency and reliability of products are influenced, and furthermore, the conventional assembly process is poor in universality, flexible adaptation according to stack body structures with different specifications is not possible, and the automation, standardization and batch development of hydrogen fuel cell production are seriously restricted. Disclosure of Invention To the above-mentioned problem, provide a hydrogen fuel cell stack assembly device, through put forward a device that not only can carry out accurate stack and can carry out automatic dynamic pressure group with multiunit battery stack to solve prior art and easily lead to dislocation, pressure to deviate and easily cause membrane electrode assembly damage or the inconsistent technical problem of electric pile thickness to appear between each battery unit when assembling the battery stack. In order to solve the problems of the prior art, the present invention provides a hydrogen fuel cell stack assembly device, comprising: A frame; The limiting module is horizontally arranged on the frame in a crossing manner; the limiting module is provided with a plurality of groups of first limiting rods which can horizontally slide towards the middle of the frame in the radial direction, and the plurality of groups of first limiting rods are enclosed to form an assembly zone capable of assembling the battery stack; The correction modules are provided with two groups, and the two groups of correction modules are horizontally arranged in the rack in a crossing manner; the assembling module is horizontally arranged at the top of the frame and is provided with two assembling plates which can be close to or far away from each other and an elastic buckling and clamping unit arranged on each assembling plate; the limiting module further comprises a first sliding block capable of driving the first limiting rod to radially slide on the frame, a first locking piece capable of dynamically locking the sliding position of the first sliding block, and an adjusting part capable of rotationally adjusting the first limiting rod; the jacking unit is provided with a guide strip capable