CN117340121A - Anode metal bipolar plate processing device and processing method for fuel cell - Google Patents

Anode metal bipolar plate processing device and processing method for fuel cell Download PDF

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Publication number
CN117340121A
CN117340121A CN202311403183.7A CN202311403183A CN117340121A CN 117340121 A CN117340121 A CN 117340121A CN 202311403183 A CN202311403183 A CN 202311403183A CN 117340121 A CN117340121 A CN 117340121A
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CN
China
Prior art keywords
flanging
processing
die
punching
cutting
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Pending
Application number
CN202311403183.7A
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Chinese (zh)
Inventor
郑金进
宋珂
黄兴
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Shanghai Jimei Power Technology Co ltd
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Shanghai Jimei Power Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Jimei Power Technology Co ltd filed Critical Shanghai Jimei Power Technology Co ltd
Priority to CN202311403183.7A priority Critical patent/CN117340121A/en
Publication of CN117340121A publication Critical patent/CN117340121A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0204—Non-porous and characterised by the material
    • H01M8/0206—Metals or alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/001—Shaping combined with punching, e.g. stamping and perforating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/08—Dies with different parts for several steps in a process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
    • B21D43/09—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers by one or more pairs of rollers for feeding sheet or strip material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/28—Associations of cutting devices therewith
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Punching Or Piercing (AREA)

Abstract

The invention discloses a processing device of an anode metal bipolar plate for a fuel cell, which comprises a feeding unit and a processing unit, wherein the feeding unit can drive a coil stock to be unfolded and move forwards, and a blank is supplied for subsequent processing; the processing unit is positioned in front of the feeding unit along the advancing direction of the blank; the processing unit comprises a first processing mechanism and a second processing mechanism, wherein the first processing mechanism performs punching processing on the blank, and the second processing mechanism performs flanging and cutting processing on the blank; when the anode metal bipolar plate with different specifications is required to be processed, the first processing mechanism and the second processing mechanism can be adjusted to a proper distance according to the length of the anode metal bipolar plate required to be processed, different processing requirements are met, the flexible adaptability of the processing device is improved, and meanwhile the processing production efficiency of the bipolar plate is improved. The invention also provides a processing method of the anode metal bipolar plate for the fuel cell, and the processing device of the anode metal bipolar plate for the fuel cell is utilized.

Description

Anode metal bipolar plate processing device and processing method for fuel cell
Technical Field
The invention relates to the technical field of fuel cells and peripheral supporting facilities thereof, in particular to a processing device and a processing method for anode metal bipolar plates for fuel cells.
Background
A fuel cell is a power generation device that directly converts chemical energy in fuel and oxidant into electric energy through an electrochemical reaction. Currently, fuel cells are mainly used in stationary power supplies, portable power supplies, and in many types of traffic and transportation. The air-cooled fuel cell has the characteristics of simple structure, high reliability, quick starting and the like, and has good application prospect on various vehicles such as two-wheelers, unmanned aerial vehicles, small-power ships and the like.
Compared with a graphite bipolar plate, the metal bipolar plate has better conductivity, can provide better current transmission efficiency, and reduces ohmic loss in the transmission process; the rubber has higher mechanical strength and durability, and can better resist pressure and vibration in the use process; the heat conduction performance is better, and the heat management capability of the system can be improved; is easier to process and manufacture and can reduce the production cost.
The weight and space requirements for fuel cells are different due to different application scenarios. Therefore, it is often necessary to design and process various sized molds to produce bipolar plate fuel cell stacks having different reaction areas. How to optimize the design of the die of the bipolar plate, reduce the processing technology of the bipolar plate, and whether the production efficiency of the bipolar plate can be improved or not, and reduce the production cost are problems faced by the person skilled in the art.
The Chinese patent with publication number of CN115415412A discloses a stamping die and a stamping method for metal bipolar plates of fuel cells, and the stamping die designed by the patent can be used for stamping and forming a metal bipolar plate prefabricated part and a metal bipolar plate finished product part by one stamping action, so that the processing technology is simplified, the stamping efficiency of the metal bipolar plates is improved, and the design is only aimed at a plate type die design.
Different application scenarios may have different demands on the volume and power of the fuel cell bipolar plate. Currently, in order to process and produce bipolar plates of various sizes, a mold needs to be designed for each plate type for processing. Not only is the investment required to be repeatedly invested to complete the die sinking of the bipolar plate, but also the processing process line, the production die and the like of the bipolar plate are required to be designed in a time-consuming manner, and the requirement of improving the production efficiency of the bipolar plate still cannot be met.
Disclosure of Invention
The invention aims to provide an anode metal bipolar plate processing device for a fuel cell, which solves the problems in the prior art, improves the adaptability of the processing device to bipolar plates with different specifications, and improves the production and processing efficiency of the bipolar plates.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a processing device of anode metal bipolar plate for fuel cell, comprising:
the feeding unit can drive the coiled material to be unfolded and move forwards, so as to supply blanks for subsequent processing;
a processing unit located in front of the feeding unit in the advancing direction of the blanks; the processing unit comprises a first processing mechanism and a second processing mechanism, wherein the first processing mechanism can punch the blank, the second processing mechanism can carry out flanging and cutting processing on the blank, the second processing mechanism is positioned in front of the first processing mechanism along the advancing direction of the blank, and the distance between the first processing mechanism and the second processing mechanism can be adjusted.
Preferably, the first processing mechanism comprises a punching top die and a punching bottom die, and the punching top die and the punching bottom die are respectively positioned at two sides of the blank; the second processing mechanism comprises a flanging cutting top die and a flanging cutting bottom die, and the flanging cutting top die and the flanging cutting bottom die are respectively positioned on two sides of the blank.
Preferably, the processing unit further comprises a first mounting seat and a second mounting seat, the first mounting seat and the second mounting seat are respectively located on two sides of the blank, the punching top die is arranged on the first mounting seat, the flanging cutting top die is slidably arranged on the first mounting seat, the punching bottom die is arranged on the second mounting seat, the flanging cutting bottom die is slidably arranged on the second mounting seat, and the sliding direction of the flanging cutting top die and the flanging cutting bottom die is parallel to the advancing direction of the blank.
Preferably, the first mounting seat and the second mounting seat are both provided with a sliding groove, and the flanging cutting top die and the flanging cutting bottom die are slidably arranged in the sliding groove.
Preferably, the processing unit further includes a locking member capable of fixing the positions of the burring cutting top die and the burring cutting bottom die.
Preferably, the first mounting seat and the second mounting seat are provided with a plurality of positioning holes, the positioning holes are distributed along the sliding direction of the flanging cutting top die and the flanging cutting bottom die, the flanging cutting top die and the flanging cutting bottom die are provided with connecting holes matched with the positioning holes, and the flanging cutting top die is connected with the first mounting seat and the flanging cutting bottom die and the second mounting seat through bolts.
Preferably, the punching top die comprises a punching top plate, a punching cutter and a first guide post, wherein the punching cutter and the first guide post are arranged on the punching top plate, the punching bottom die comprises a punching bottom plate, a punching lower knife edge matched with the punching cutter is arranged on the punching bottom plate, and a first guide sleeve hole matched with the first guide post is also arranged on the punching bottom plate;
the punching machine is characterized in that guide pins are further arranged on the punching bottom plate and can be in contact with the blank, the number of the guide pins is two, the two groups of guide pins are arranged in parallel along the advancing direction of the blank, and the distance between the two groups of guide pins is matched with the width of the blank.
Preferably, the flanging cutting top die comprises a flanging cutting top plate, a flanging male die, a cutting tool and a second guide post, the flanging cutting top plate is arranged on the flanging cutting top plate, the flanging cutting bottom die comprises a flanging cutting bottom plate, the flanging cutting bottom plate is provided with a flanging female die matched with the flanging male die, the flanging cutting bottom plate is further provided with a cutting lower knife edge matched with the cutting tool, and the flanging cutting bottom plate is further provided with a second guide sleeve hole matched with the second guide post.
Preferably, the feeding unit comprises a driving wheel and a driven wheel, the rotation directions of the driving wheel and the driven wheel are opposite, and the driving wheel and the driven wheel are matched to enable the coiled material to be continuously spread to form the blank and drive the blank to advance.
The invention also provides a processing method of the anode metal bipolar plate for the fuel cell, which utilizes the processing device of the anode metal bipolar plate for the fuel cell and comprises the following steps:
step one, selecting a coil stock with proper width according to the width of a target anode metal bipolar plate, and adjusting the distance between the first processing mechanism and the second processing mechanism according to the length of the target anode metal bipolar plate;
step two, the feeding unit works and the blank is sent into the processing unit; the first processing mechanism performs punching processing on the blank, and the second processing mechanism performs flanging and cutting processing on the blank.
Compared with the prior art, the invention has the following technical effects: the invention relates to an anode metal bipolar plate processing device for a fuel cell, which comprises a feeding unit and a processing unit, wherein the feeding unit can drive a coil stock to be unfolded and move forwards, so as to supply blanks for subsequent processing; the processing unit is positioned in front of the feeding unit along the advancing direction of the blank; the processing unit includes first processing mechanism and second processing mechanism, and first processing mechanism can punch a hole the processing to the blank, and the second processing mechanism can carry out with turn-ups and cut-off processing to the blank, along the direction of advance of blank, and the second processing mechanism is located the place ahead of first processing mechanism, and the interval between first processing mechanism and the second processing mechanism can be adjusted.
The invention relates to an anode metal bipolar plate processing device for a fuel cell, which is characterized in that during operation, coiled materials are selected, a feeding unit is used for continuously supplying blanks to be processed for a processing unit, the processing unit comprises a first processing mechanism and a second processing mechanism, the first processing mechanism performs punching processing on the blanks, and the second processing mechanism performs flanging and cutting-off processing on the blanks; it is emphasized that the distance between the first processing mechanism and the second processing mechanism can be adjusted, when the anode metal bipolar plate with different specifications is required to be processed, the first processing mechanism and the second processing mechanism can be adjusted to a proper distance according to the length of the anode metal bipolar plate required to be processed, different processing requirements are met, the flexibility and the adaptability of the processing device are improved, and meanwhile the processing production efficiency of the bipolar plate is improved.
The invention also provides a processing method of the anode metal bipolar plate for the fuel cell, and the processing device of the anode metal bipolar plate for the fuel cell is utilized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an anode metal bipolar plate processing device for a fuel cell according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a processing unit of an anode metal bipolar plate processing device for a fuel cell according to an embodiment of the present invention;
FIG. 3 is a schematic view of an alternative view of a processing unit of an anode metal bipolar plate processing apparatus for a fuel cell according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a first mounting seat of an anode metal bipolar plate processing device for a fuel cell according to an embodiment of the present invention.
Wherein 100 is a feeding unit, 200 is a processing unit, 300 is a first processing mechanism, 400 is a second processing mechanism;
1 is a punching top die, 2 is a punching bottom die, 3 is a flanging cutting top die, 4 is a flanging cutting bottom die, 5 is a first mounting seat, 6 is a second mounting seat, 7 is a chute, 8 is a positioning hole, 9 is a punching cutter, 10 is a first guide post, 11 is a punching lower knife edge, 12 is a first guide sleeve hole, 13 is a guide pin, 14 is a flanging male die, 15 is a flanging female die, 16 is a cutting cutter, 17 is a cutting lower knife edge, 18 is a second guide post, 19 is a second guide sleeve hole, 20 is a driving wheel, 21 is a driven wheel, 22 is a coiled material, 23 is a blank, and 24 is a bipolar plate finished product.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide an anode metal bipolar plate processing device for a fuel cell, which solves the problems in the prior art, improves the adaptability of the processing device to bipolar plates with different specifications, and improves the production and processing efficiency of the bipolar plates.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
The invention provides a processing device of anode metal bipolar plates for fuel cells, which comprises a feeding unit 100 and a processing unit 200, wherein the feeding unit 100 can drive a coil 22 to be unfolded and move forwards, and a blank 23 is supplied for subsequent processing; along the advancing direction of the blanks 23, the processing unit 200 is located in front of the feeding unit 100; the processing unit 200 includes a first processing mechanism 300 and a second processing mechanism 400, the first processing mechanism 300 is capable of punching the blank 23, the second processing mechanism 400 is capable of performing flanging and cutting processing on the blank 23, the second processing mechanism 400 is located in front of the first processing mechanism 300 along the advancing direction of the blank 23, and the interval between the first processing mechanism 300 and the second processing mechanism 400 is adjustable.
The anode metal bipolar plate processing device for the fuel cell is characterized in that when the anode metal bipolar plate processing device for the fuel cell works, a coil 22 is selected, a feeding unit 100 continuously supplies blanks 23 to be processed for a processing unit 200, the processing unit 200 comprises a first processing mechanism 300 and a second processing mechanism 400, the first processing mechanism 300 performs punching processing on the blanks 23, and the second processing mechanism 400 performs flanging and cutting processing on the blanks 23; it should be emphasized that the distance between the first processing mechanism 300 and the second processing mechanism 400 can be adjusted, when the anode metal bipolar plates with different specifications are required to be processed, the first processing mechanism 300 and the second processing mechanism 400 can be adjusted to a proper distance according to the length of the anode metal bipolar plate required to be processed, different processing requirements are met, the flexible adaptability of the processing device is improved, and meanwhile, the processing production efficiency of the bipolar plate is improved.
The first processing mechanism 300 comprises a punching top die 1 and a punching bottom die 2, wherein the punching top die 1 and the punching bottom die 2 are respectively positioned at two sides of the blank 23 so as to punch the blank 23; accordingly, the second processing mechanism 400 includes a flange cutting top die 3 and a flange cutting bottom die 4, and the flange cutting top die 3 and the flange cutting bottom die 4 are respectively located at both sides of the blank 23 to perform flange cutting processing on the blank 23. In practice, the configuration of the first and second processing mechanisms 300, 400 may be determined or adjusted depending on the particular shape of the anode metal bipolar plate. In other embodiments of the present invention, a plurality of second processing mechanisms 400 may be provided, so as to adapt to the processing of bipolar plates with various shapes on the premise of meeting the processing requirements of bipolar plates with different specifications, and further improve the adaptability of the processing device.
Specifically, the processing unit 200 further includes a first mounting seat 5 and a second mounting seat 6, the first mounting seat 5 and the second mounting seat 6 are respectively located at two sides of the blank 23, the punching top die 1 is arranged on the first mounting seat 5, the flanging cutting top die 3 is slidably arranged on the first mounting seat 5, the punching bottom die 2 is arranged on the second mounting seat 6, the flanging cutting bottom die 4 is slidably arranged on the second mounting seat 6, the sliding directions of the flanging cutting top die 3 and the flanging cutting bottom die 4 are parallel to the advancing direction of the blank 23, the first mounting seat 5 provides a stable mounting foundation for the punching top die 1, the flanging cutting top die 3 is slidably arranged on the first mounting seat 5, the flanging cutting top die 3 can be adjusted relative to the punching top die 1, the distance between the flanging cutting top die 3 and the flanging cutting top die is changed, and the convenience of adjustment is improved in a sliding manner; accordingly, the second mounting seat 6 provides stable support for the punching bottom die 2, and facilitates the position adjustment of the flanging cutting bottom die 4, so that the flanging cutting top die 3 can keep the consistency of the position adjustment, thereby ensuring the working reliability of the processing unit 200.
In this embodiment, the first mounting seat 5 and the second mounting seat 6 each have a chute 7, and the flanging-cutting top die 3 and the flanging-cutting bottom die 4 are slidably disposed in the chute 7, so that the smoothness of the reciprocating movement of the flanging-cutting top die 3 and the flanging-cutting bottom die 4 is improved, and the adjustment reliability of the second processing mechanism 400 is improved. In practical application, the specific shape of the chute 7 can be selected according to the practical working condition, for example, the chute 7 is processed into a dovetail shape, so that the reciprocating motion accuracy of the flanging cutting top die 3 and the flanging cutting bottom die 4 is further improved, and the working stability of the device is improved.
In order to ensure the reliability of the second processing mechanism 400 in the production and processing process, the processing unit 200 further includes a locking element, the locking element can fix the positions of the flanging cutting top die 3 and the flanging cutting bottom die 4, when the fixed flanging cutting top die 3 and the flanging cutting bottom die 4 are adjusted to a proper position, the flanging cutting top die 3 is fixed on the first mounting seat 5 by using the locking element, the flanging cutting bottom die 4 is fixed on the second mounting seat 6 by using the locking element, so that sliding dislocation of the flanging cutting top die 3 and the flanging cutting bottom die 4 in the processing process is avoided, and the processing quality is ensured.
In this concrete embodiment, locking element adopts fastening bolt, first mount pad 5 and second mount pad 6 all have a plurality of locating holes 8, locating hole 8 are laid along the turn-ups and are cut off the slip direction of roof mold 3, turn-ups and cut off die block 4, turn-ups cut off roof mold 3 and turn-ups cut off die block 4 all have the connecting hole with locating hole 8 looks adaptation, turn-ups cut off roof mold 3 and first mount pad 5, turn-ups cut off die block 4 and second mount pad 6 all adopt bolted connection, after turn-ups cut off roof mold 3, turn-ups cut off die block 4 slides to suitable position, utilize fastening bolt to pass locating hole 8 and connecting hole in proper order, and utilize the nut to screw up, play the locking fixed action, bolted connection fastening, the dismouting is convenient, the simple operation of device has been improved. In other embodiments of the present invention, other structures of the locking element, such as a locking pin or a locking buckle, may be used to satisfy different working conditions.
More specifically, the punching top die 1 comprises a punching top plate, a punching cutter 9 and a first guide post 10, wherein the punching cutter 9 and the first guide post 10 are arranged on the punching top plate, the punching bottom die 2 comprises a punching bottom plate, a punching lower knife edge 11 matched with the punching cutter 9 is arranged on the punching bottom plate, a first guide sleeve hole 12 matched with the first guide post 10 is also arranged on the punching bottom plate, in the specific embodiment, the punching cutter 9 comprises two cutters which are respectively used for punching hydrogen inlets on two sides of a bipolar plate, the structure and the specification of the punching cutter 9 can be adjusted according to actual working conditions, and the first guide post 10 and a first guide sleeve are used for providing guide for die assembly and punching of the punching top die 1 and the punching bottom die 2, so that punching precision is ensured. It should be noted that in this embodiment, the punching top plate is in bolted connection with the first mounting seat 5, the punching bottom plate is in bolted connection with the second mounting seat 6, the connection is tight, the disassembly and assembly are convenient, and the cleaning maintenance of the later device is facilitated.
Meanwhile, in order to ensure the feeding precision of the blank 23, the punching bottom plate is further provided with two guide pins 13, the guide pins 13 can be in contact with the blank 23, the two guide pins 13 are arranged in parallel along the advancing direction of the blank 23, the distance between the two guide pins 13 is matched with the width of the blank 23, so that the blank 23 advances along the preset feeding direction, the blank 23 is prevented from deflecting, the feeding precision is ensured, the guarantee is provided for the subsequent processing unit 200, and the working reliability of the device is further improved.
Correspondingly, the flanging cutting top die 3 comprises a flanging cutting top plate, a flanging male die 14, a cutting tool 16 and a second guide post 18, wherein the flanging male die 14, the cutting tool 16 and the second guide post 18 are arranged on the flanging cutting top plate, the flanging cutting bottom die 4 comprises a flanging cutting bottom plate, the flanging cutting bottom plate is provided with a flanging female die 15 matched with the flanging male die 14, the flanging cutting bottom plate is further provided with a cutting lower knife edge 17 matched with the cutting tool 16, and the flanging cutting bottom plate is further provided with a second guide sleeve hole 19 matched with the second guide post 18. The flanging male die 14 and the flanging female die 15 are matched to carry out flanging on the blank 23, the cutting tool 16 can cut off the blank 23, the cutting reliability of the cutting tool 16 is guaranteed by the cutting lower knife edge 17, the blank 23 adhesion caused by incomplete cutting is avoided, the die assembly accuracy of the flanging cutting top die 3 and the flanging cutting bottom die 4 is guaranteed by the second guide post 18 and the second guide sleeve hole 19, and the machining accuracy of the second machining mechanism 400 is improved. In this embodiment, the cutting tool 16 is I-shaped, and in practical application, the cutting tool 16 may be adjusted according to practical conditions, so that the cutting tool 16 and the flanging cutting bottom plate may be set to a detachable structure for convenient replacement of the cutting tool 16, so as to satisfy different conditions.
It should be further noted that, the feeding unit 100 includes a driving wheel 20 and a driven wheel 21, the driving wheel 20 and the driven wheel 21 rotate in opposite directions, and the two cooperate to continuously spread the coil 22 to form the blank 23 and drive the blank 23 to advance, and the feeding unit 100 may be provided with a driver to drive the driving wheel 20 to rotate, and the specifications of the driving wheel 20 and the driven wheel 21 may be selected and adjusted according to actual requirements. In practical application, protective layers can be arranged on the surfaces of the driving wheel 20 and the driven wheel 21, so that the damage to the blank 23 is reduced as much as possible while the feeding reliability is ensured, and the quality of the final bipolar plate product 24 is improved.
Further, the invention also provides a processing method of the anode metal bipolar plate for the fuel cell, which utilizes the processing device of the anode metal bipolar plate for the fuel cell, and comprises the following steps:
step one, selecting a coil 22 with proper width according to the width of the target anode metal bipolar plate, and adjusting the interval between the first processing mechanism 300 and the second processing mechanism 400 according to the length of the target anode metal bipolar plate;
step two, the feeding unit 100 works, and the blank 23 is sent into the processing unit 200; the first processing means 300 performs punching processing on the blank 23, and the second processing means 400 performs flanging and cutting processing on the blank 23.
The anode metal bipolar plate processing device for the fuel cell can be used for conveniently processing bipolar plates with various lengths, and improves the processing production efficiency of the bipolar plates.
When the anode metal bipolar plate processing method for the fuel cell is adopted, the initial width of the coil 22 is consistent with the designed width of the bipolar plate of the fuel cell, and the feeding unit 100 is used for feeding materials in the direction of the processing unit 200; in operation, the coil 22 advances along the feeding direction and is positioned by means of the guide pin 13; the punching top die 1 moves downwards for a certain distance to enable the first guide post 10 to be aligned into the first guide sleeve hole 12, so that positioning is completed; the punching top die 1 moves downwards again to enable the punching cutter 941 to enter the punching lower knife edge 11, so that punching of each side of two adjacent bipolar plates is completed simultaneously; lifting the punching top die 1, and moving the coil 22 forwards;
according to the length design requirement, selecting a proper positioning hole 8 for fixing the flanging cutting-off top die 3 on the first mounting seat 5 with the chute 7, moving the flanging cutting-off top die 3 in the chute 7 and fixing the flanging cutting-off top die to the first mounting seat 5 by means of a fastening bolt; moving the flanging cutting-off bottom die 4 in the chute 7 of the second mounting seat 6 so that the flanging cutting-off bottom die 4 moves to be right below the flanging cutting-off top die 3; when the punching of the coil 22 is coincident with the shape of the flanging die 15, the flanging cutting top die 3 moves downwards for a certain distance to enable the second guide post 18 to be aligned into the second guide sleeve hole 19, so that positioning is completed; the flanging cutting top die 3 moves downwards for a certain distance to align the flanging male die 14 into the flanging female die 15, so that flanging is completed; the flanging cutting top die 3 is moved downwards for a certain distance to align the cutting tool 16 into the cutting lower knife edge 17, thereby completing cutting and separating two adjacent bipolar plates.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.

Claims (10)

1. An anode metal bipolar plate processing apparatus for a fuel cell, comprising:
the feeding unit can drive the coiled material to be unfolded and move forwards, so as to supply blanks for subsequent processing;
a processing unit located in front of the feeding unit in the advancing direction of the blanks; the processing unit comprises a first processing mechanism and a second processing mechanism, wherein the first processing mechanism can punch the blank, the second processing mechanism can carry out flanging and cutting processing on the blank, the second processing mechanism is positioned in front of the first processing mechanism along the advancing direction of the blank, and the distance between the first processing mechanism and the second processing mechanism can be adjusted.
2. The anode metal bipolar plate processing apparatus for a fuel cell according to claim 1, wherein: the first processing mechanism comprises a punching top die and a punching bottom die, and the punching top die and the punching bottom die are respectively positioned at two sides of the blank; the second processing mechanism comprises a flanging cutting top die and a flanging cutting bottom die, and the flanging cutting top die and the flanging cutting bottom die are respectively positioned on two sides of the blank.
3. The anode metal bipolar plate processing apparatus for a fuel cell according to claim 2, wherein: the processing unit further comprises a first mounting seat and a second mounting seat, the first mounting seat and the second mounting seat are respectively located on two sides of the blank, the punching top die is arranged on the first mounting seat, the flanging cutting top die is slidably arranged on the first mounting seat, the punching bottom die is arranged on the second mounting seat, the flanging cutting bottom die is slidably arranged on the second mounting seat, and the sliding direction of the flanging cutting top die and the flanging cutting bottom die is parallel to the advancing direction of the blank.
4. The anode metal bipolar plate processing apparatus for a fuel cell according to claim 3, wherein: the first mounting seat and the second mounting seat are respectively provided with a sliding groove, and the flanging cutting top die and the flanging cutting bottom die are slidably arranged in the sliding grooves.
5. The anode metal bipolar plate processing apparatus for a fuel cell according to claim 3, wherein: the processing unit further comprises a locking element, and the locking element can fix the positions of the flanging cutting top die and the flanging cutting bottom die.
6. The anode metal bipolar plate processing apparatus for a fuel cell according to claim 5, wherein: the first mounting seat and the second mounting seat are respectively provided with a plurality of positioning holes, the positioning holes are distributed along the sliding direction of the flanging cutting top die and the flanging cutting bottom die, the flanging cutting top die and the flanging cutting bottom die are respectively provided with a connecting hole matched with the positioning holes, and the flanging cutting top die is connected with the first mounting seat and the flanging cutting bottom die and the second mounting seat through bolts.
7. The anode metal bipolar plate processing apparatus for a fuel cell according to any one of claims 2 to 6, wherein: the punching top die comprises a punching top plate, a punching cutter and a first guide post, wherein the punching cutter and the first guide post are arranged on the punching top plate, the punching bottom die comprises a punching bottom plate, a punching lower knife edge matched with the punching cutter is arranged on the punching bottom plate, and a first guide sleeve hole matched with the first guide post is also arranged on the punching bottom plate;
the punching machine is characterized in that guide pins are further arranged on the punching bottom plate and can be in contact with the blank, the number of the guide pins is two, the two groups of guide pins are arranged in parallel along the advancing direction of the blank, and the distance between the two groups of guide pins is matched with the width of the blank.
8. The anode metal bipolar plate processing apparatus for a fuel cell according to any one of claims 2 to 6, wherein: the flanging cutting top die comprises a flanging cutting top plate, a flanging male die, a cutting tool and a second guide post, wherein the flanging male die, the cutting tool and the second guide post are arranged on the flanging cutting top plate, the flanging cutting bottom die comprises a flanging cutting bottom plate, the flanging cutting bottom plate is provided with a flanging female die matched with the flanging male die, the flanging cutting bottom plate is further provided with a cutting lower knife edge matched with the cutting tool, and the flanging cutting bottom plate is further provided with a second guide sleeve hole matched with the second guide post.
9. The anode metal bipolar plate processing apparatus for a fuel cell according to claim 1, wherein: the feeding unit comprises a driving wheel and a driven wheel, the rotation directions of the driving wheel and the driven wheel are opposite, and the driving wheel and the driven wheel are matched to enable the coiled material to be continuously spread to form the blank and drive the blank to advance.
10. A processing method of anode metal bipolar plate for fuel cell is characterized in that: an anode metal bipolar plate processing apparatus for a fuel cell according to any one of claims 1 to 9, comprising the steps of:
step one, selecting a coil stock with proper width according to the width of a target anode metal bipolar plate, and adjusting the distance between the first processing mechanism and the second processing mechanism according to the length of the target anode metal bipolar plate;
step two, the feeding unit works and the blank is sent into the processing unit; the first processing mechanism performs punching processing on the blank, and the second processing mechanism performs flanging and cutting processing on the blank.
CN202311403183.7A 2023-10-26 2023-10-26 Anode metal bipolar plate processing device and processing method for fuel cell Pending CN117340121A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311403183.7A CN117340121A (en) 2023-10-26 2023-10-26 Anode metal bipolar plate processing device and processing method for fuel cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311403183.7A CN117340121A (en) 2023-10-26 2023-10-26 Anode metal bipolar plate processing device and processing method for fuel cell

Publications (1)

Publication Number Publication Date
CN117340121A true CN117340121A (en) 2024-01-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
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