CN110802320A - Bipolar plate production line - Google Patents
Bipolar plate production line Download PDFInfo
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- CN110802320A CN110802320A CN201911168679.4A CN201911168679A CN110802320A CN 110802320 A CN110802320 A CN 110802320A CN 201911168679 A CN201911168679 A CN 201911168679A CN 110802320 A CN110802320 A CN 110802320A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- 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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The application discloses bipolar plate production line. This bipolar plate production line includes: the logistics conveying circulation line is used for circularly conveying the tooling pallet; the first welding station is used for welding the first distribution part and the first unipolar plate carried by the tooling tray into a first unipolar plate assembly and placing the first unipolar plate assembly on the tooling tray; the second welding station is used for welding the second distribution part, the water plate and a second unipolar plate carried by the tooling tray into a second unipolar plate assembly and placing the second unipolar plate assembly on the tooling tray; and the third welding station is used for welding the first single-plate assembly and the second single-plate assembly carried by the tooling pallet into the bipolar plate. The bipolar plate production process is divided into a plurality of steps by the mode, and the action of each step is realized by adopting an automatic machine, so that the automatic production of the bipolar plate is realized, and the bipolar plate production line provided by the application can effectively improve the production efficiency of the bipolar plate.
Description
Technical Field
The application relates to the technical field of battery production equipment, in particular to a bipolar plate production line.
Background
The bipolar plate product is a core part of the hydrogen fuel cell, and the bipolar plate is formed by welding a unipolar plate, a water plate and self accessories. At the present stage, the bipolar plate is mainly welded and tested through a manual welding and leakage detection tool. And in the bipolar plate welding process, the welding precision of the bipolar plate is confirmed manually.
However, the welding requirement of the bipolar plate is very high, the welding spot deviation is large easily in manual welding, and the detection error of the bipolar plate is large, so that the production efficiency of the bipolar plate is low.
Disclosure of Invention
The application mainly provides a bipolar plate production line to solve the problem that the bipolar plate produced manually is low in efficiency.
In order to solve the technical problem, the application adopts a technical scheme that: a bipolar plate production line is provided. This bipolar plate production line includes: the logistics conveying circulation line is used for circularly conveying the tooling pallet; the first welding station is used for welding the first distribution part and a first unipolar plate and a first distribution part which are borne by the tooling tray into a first unipolar plate assembly and placing the first unipolar plate assembly on the tooling tray; the second welding station is used for welding a second unipolar plate carried by the second distribution piece, the water plate and the tooling tray, the second distribution piece and the water plate into a second unipolar plate assembly and placing the second unipolar plate assembly on the tooling tray; and the third welding station is used for welding the first single-plate assembly and the second single-plate assembly carried by the tooling pallet into the bipolar plate.
In one embodiment, the stream transfer circulation line comprises:
the conveying lines comprise a first conveying line and a second conveying line which are arranged at intervals in the vertical direction and are used for conveying the tooling trays in the horizontal direction opposite to each other;
the two lifting backflow mechanisms are respectively arranged at two ends of the conveying line and used for transferring the tool tray between the first conveying line and the second conveying line along the vertical direction;
the stopping mechanism is used for stopping the tool tray when the tool tray is conveyed to a corresponding station;
and the lifting positioning mechanism is used for lifting the tool tray when the tool tray is conveyed to the corresponding station.
In a particular embodiment, the first welding station comprises:
a first indexing turntable;
the first distributing part feeding mechanism is used for storing the first distributing part;
the first grabbing mechanism is used for grabbing the first distribution part from the first distribution part feeding mechanism and grabbing a first unipolar plate from the tool tray to the first indexing turntable, and the first unipolar plate is conveyed in an indexing mode through the first indexing turntable;
a first compression mechanism for compressing the first distribution member and the first unipolar plate;
a first welding mechanism for welding the compressed first dispensing piece and the first unipolar plate into the first unipolar plate assembly;
the first tensile force testing mechanism is used for testing the welding strength between the first distribution component and the first unipolar plate.
In a particular embodiment, the second welding station comprises:
a second indexing turntable and a secondary positioning mobile platform;
the second distribution piece feeding mechanism is used for respectively storing the second distribution piece and the water plate;
the transfer mechanism is used for grabbing the second distribution part and the water plate from the second distribution part feeding mechanism, transferring the second distribution part and the water plate to the secondary positioning moving platform and performing secondary positioning by the secondary positioning moving platform;
the second grabbing mechanism is used for grabbing the second distribution part and the water plate from the secondary positioning moving platform and grabbing a second unipolar plate to the second indexing rotary table from the tooling pallet, and the second unipolar plate is subjected to indexing conveying by the second indexing rotary table;
the second pressing mechanism is used for pressing the second distribution part, the water plate and the second unipolar plate;
a second welding mechanism for welding the compressed second distribution member, the water plate, and the second unipolar plate into a second unipolar plate assembly;
and the second tension testing mechanism is used for testing the welding strength among the second distribution part, the water plate and the second unipolar plate.
In a particular embodiment, the third welding station comprises:
a third indexing turntable;
the third grabbing mechanism is used for grabbing the first single-pole plate assembly, the second single-pole plate assembly and a third indexing rotary table from the tooling pallet and carrying out indexing conveying by the third indexing rotary table;
a third pressing mechanism for pressing the first unipolar plate assembly and the second unipolar plate assembly;
a third welding mechanism for welding the compressed first and second monopolar plate assemblies into the bipolar plate;
and the first visual detection mechanism is used for detecting the welding quality of the bipolar plate.
In a specific embodiment, the bipolar plate production line further includes a unipolar plate feeding station, which is configured to feed the first unipolar plate and the second unipolar plate to the tooling pallet.
In a specific embodiment, the unipolar plate loading station includes:
the unipolar plate feeding mechanism is used for storing a first material tray bearing a first unipolar plate and a second material tray bearing a second unipolar plate;
the material tray positioning mechanism is used for positioning the first material tray and the second material tray in the feeding mechanism;
the secondary positioning platform is used for flattening and positioning the first unipolar plate and the second unipolar plate;
the second visual detection mechanism is used for acquiring the positions of the first unipolar plate and the second unipolar plate on the secondary positioning platform;
and the fourth grabbing mechanism is used for grabbing the first unipolar plate and the second unipolar plate from the unipolar plate feeding mechanism, placing the first unipolar plate and the second unipolar plate on the secondary positioning platform for flattening and positioning, secondarily grabbing the first unipolar plate and the second unipolar plate according to the position fed back by the second visual detection mechanism, and transferring the first unipolar plate and the second unipolar plate to the tooling pallet.
In a specific embodiment, the bipolar plate production line further comprises a pretreatment station, the pretreatment station comprises a marking mechanism and/or an appearance detection mechanism, and the marking mechanism is used for marking a first unipolar plate and a second unipolar plate in the tool tray; and the appearance detection mechanism is used for detecting appearance defects of the first unipolar plate and the second unipolar plate in the tool tray.
In a particular embodiment, the pre-treatment station is further for welding dispenser sub-parts into the first dispenser part and/or the second dispenser part.
In one embodiment, the pre-treatment station comprises:
a dispenser feed mechanism for storing dispenser sub-components;
a fifth grasping mechanism for grasping the dispenser sub-component from the dispenser feed mechanism;
the pressing and positioning mechanism is used for fixing and positioning the distribution piece sub-component transferred by the fifth grabbing mechanism;
and the fourth welding mechanism is used for welding the distributor sub-component fixed on the pressing and positioning mechanism to form the first distributor and/or the second distributor.
In a specific embodiment, the third welding station further places the bipolar plate on the tooling pallet, and the bipolar plate production line further comprises:
and the bipolar plate air tightness detection station is used for carrying out air tightness detection on the bipolar plate borne by the tooling tray and carrying out differentiated blanking on the bipolar plate according to a detection result.
In one embodiment, the air-tightness detection station comprises:
the mobile assembly comprises a plurality of air tightness testing mechanisms;
and the sixth grabbing mechanism is arranged on the moving assembly, grabs the loaded bipolar plates from the tooling pallet under the transmission of the moving assembly, and distributes the grabbed bipolar plates to different air tightness testing mechanisms so as to synchronously detect the bipolar plates by the air tightness testing mechanisms.
The beneficial effect of this application is: in contrast to the prior art, the present application discloses a bipolar plate production line. Through the arrangement of the logistics conveying circulation line, the tooling pallet is conveyed in a circulating manner, so that workpieces in the bipolar plate production process are conveyed to each station in sequence, and the production efficiency of the bipolar plate is greatly improved; the first distribution part and the first unipolar plate carried by the tooling tray are welded into a first unipolar plate assembly by arranging a first welding station and are placed on the tooling tray; a second welding station is arranged, so that a second single-pole plate assembly is formed by welding a second distribution part, a water plate and a second single-pole plate carried by the tooling tray and is placed on the tooling tray; the first single-plate assembly and the second single-plate assembly carried by the tooling pallet are welded into the bipolar plate by arranging a third welding station; the production process of the bipolar plate is divided into a plurality of steps by the mode, and the action of each step is realized by adopting an automatic machine, so that the automatic production of the bipolar plate is realized, and the production efficiency of the bipolar plate is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts, wherein:
FIG. 1 is a schematic diagram of an embodiment of a bipolar plate production line provided herein;
FIG. 2 is a schematic view of the structure of a material flow circulation line in the bipolar plate production line of FIG. 1;
FIG. 3 is a schematic diagram of the construction of a tooling pallet in the stream delivery cycle line of FIG. 2;
FIG. 4 is a schematic structural view of a single-plate gas tightness detection station in the bipolar plate production line of FIG. 1;
FIG. 5 is a schematic diagram of a monopolar plate loading station in the bipolar plate production line of FIG. 1;
figure 6 is a schematic diagram of a pre-treatment station in the bipolar plate production line of figure 1;
figure 7 is a schematic view of a first welding station in the bipolar plate production line of figure 1;
figure 8 is a schematic diagram of a second welding station in the bipolar plate production line of figure 1;
figure 9 is a schematic diagram of a third welding station in the bipolar plate production line of figure 1;
figure 10 is a schematic structural view of a bipolar plate airtightness detection station in the bipolar plate production line of figure 1.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first", "second" and "third" in the embodiments of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a bipolar plate production line 100.
The bipolar plate production line 100 comprises a logistics conveying circulation line 10, a unipolar plate airtightness detection station 20, a unipolar plate feeding station 30, a pretreatment station 40, a first welding station 50, a second welding station 60, a third welding station 70 and a bipolar plate airtightness detection station 80.
Wherein, the unipolar plate feeding station 30, the preprocessing station 40, the first welding station 50, the second welding station 60, the third welding station 70 and the bipolar plate air tightness detection station 80 are sequentially arranged along the logistics conveying circulation line 10.
The logistics conveying circulation line 10 is used for circularly conveying the tool tray 13, so that the workpieces borne by the tool tray 13 are sequentially conveyed among stations; the unipolar plate air tightness detection station 20 is used for carrying out air tightness detection on the first unipolar plate and/or the second unipolar plate before the unipolar plate feeding station 30 is fed; the unipolar plate feeding station 30 is used for feeding the first unipolar plate and the second unipolar plate to the tooling tray 13; the pre-processing station 40 may be used to mark, appearance defect detect, and bind the first and second unipolar plates within the tooling pallet 13 with the respective tooling pallet 13, and further weld the dispenser sub-components into the first and/or second dispenser sub-components. Optionally, after the first unipolar plate and the second unipolar plate are bound to the corresponding tool tray 13, the first unipolar plate and the second unipolar plate bound thereto may be tracked according to the corresponding tool tray 13. When the first unipolar plate or the second unipolar plate on the tooling pallet 13 is removed due to the detection of the defect, the first unipolar plate or the second unipolar plate can be circulated on each station under the transportation of the logistics conveying circulation line 10, each station only processes the qualified unipolar plate after identifying the tooling pallet 13, and then returns to the loading station 30 to supplement the missing unipolar plate on the tooling pallet 13, and then processes the supplemented unipolar plate. In addition, after the defective unipolar plate on the tooling tray 13 is detected and removed, the unipolar plate on the tooling tray 13 may not be processed, and the processing according to the normal process may be started after the tooling tray 13 returns to the loading station 30 to supplement the missing unipolar plate. The first welding station 50 is used for welding the first distribution part and the first unipolar plate carried by the tooling tray 13 into a first unipolar plate assembly, and placing the first unipolar plate assembly on the tooling tray 13; the second welding station 60 is configured to weld the second distribution member, the water plate, and the second unipolar plate carried by the tooling tray 13 into a second unipolar plate assembly, and place the second unipolar plate assembly on the tooling tray 13; the third welding station 70 is used for welding the first single-plate assembly and the second single-plate assembly carried by the tooling pallet 13 into a bipolar plate and placing the bipolar plate on the tooling pallet 13; the bipolar plate air tightness detection station 80 is used for detecting the air tightness of the bipolar plate carried by the tooling pallet 13 and performing differentiated blanking on the bipolar plate according to the detection result.
Thus, the bipolar plate production line 100 can achieve automatic welding and gas-tightness detection of bipolar plates and rapidly and stably produce acceptable bipolar plates.
The structure and function of each station will be described in sequence, roughly in steps.
Specifically, as shown in fig. 2, the material flow conveying circulation line 10 includes a conveying line 11, a lifting/lowering return mechanism 12, a tooling pallet 13, a stopping mechanism 14, and a lifting/positioning mechanism 15.
The conveying line 11 comprises a first conveying line 110 and a second conveying line 112 which are arranged at intervals along the vertical direction, the plurality of tooling trays 13 are arranged on the first conveying line 110 and the second conveying line 112, and the first conveying line 110 and the second conveying line 112 are respectively used for conveying the tooling trays 13 along the horizontal directions which are opposite to each other, so that the circular conveying of the station trays 13 among the stations is realized, and the qualified bipolar plates can be produced quickly and stably.
The two lifting reflow mechanisms 12 are respectively arranged at two ends of the conveying line 11 and used for transferring the tooling pallet 13 between the first conveying line 110 and the second conveying line 112 along the vertical direction. One of the elevating and lowering return mechanisms 12 is used to transfer the work tray 13 from the first transfer line 110 to the second transfer line 112, and the other elevating and lowering return mechanism 12 is used to transfer the work tray 13 from the second transfer line 112 to the first transfer line 110.
A plurality of stopping mechanisms 14 are arranged along the first conveying line 110, each stopping mechanism 14 corresponds to a station, and the stopping mechanisms 14 are used for stopping the tooling pallet 13 when the tooling pallet 13 is conveyed to the corresponding station, so that buffering and releasing of the tooling pallet 13 in front of the corresponding station are realized, and the corresponding process can be conveniently executed by each station. The lifting and positioning mechanism 15 is used for lifting the tooling tray 13 when the tooling tray 13 is conveyed to the corresponding station, so that the tooling tray 13 is accurately positioned at each station.
As shown in fig. 3, the tooling tray 13 can simultaneously bear the first unipolar plate and the second unipolar plate, and the tooling tray 13 is provided with a positioning hole for positioning the unipolar plates, thereby realizing accurate positioning of the first unipolar plate and the second unipolar plate.
The first conveying line 110 drives the tooling pallet 13 to move along the horizontal direction, and the tooling pallet 13 is suspended at the position corresponding to each station under the action of the stopping mechanism 14 in sequence, then the lifting positioning mechanism 15 lifts the tooling pallet 13 to a preset height so as to facilitate each station pair to execute corresponding process operation, after the operation is finished, the lifting positioning mechanism 15 is recovered to the original position, the stopping mechanism 14 allows the tooling pallet 13 to pass through, until each process operation is finished, the unloaded tooling pallet 13 is transferred to the second conveying line 112 by the lifting backflow mechanism 12 and is transferred to the first conveying line 110 again by the other lifting backflow mechanism 12, and therefore process circulation of the tooling pallet 13 is achieved.
Wherein, a plurality of frock tray 13 interval sets for the distance each other to pause simultaneously to the frock tray 13 that corresponds with the station realizes corresponding technology operation, and a plurality of stations can carry out technology operation with the frock tray 13 that corresponds simultaneously promptly, have greatly promoted bipolar plate's preparation efficiency. If the spacing distance between the adjacent tool trays 13 is not the set distance, one of the adjacent tool trays 13 can be cached, and then the other tool tray is adjusted to enable the distance between the adjacent tool trays 13 to be the set distance, so that the conveying rhythm of each tool tray 13 is unified, and a plurality of stations can simultaneously execute the process operation with the corresponding tool tray 13.
As shown in fig. 1, the unipolar plate air-tightness detection station 20 need not be disposed along the material flow conveying circulation line 10, and may be disposed at any position, which is not limited in the present application.
As shown in fig. 4, the unipolar plate airtightness detection station 20 includes a feeding moving sliding table 21 and an airtightness detection tool 22, the feeding moving sliding table 21 is used for conveying the unipolar plate into the airtightness detection tool 22, and the airtightness detection tool 22 is used for performing airtightness detection on the unipolar plate to detect whether a leak source exists on the unipolar plate. Considering that the unipolar plate has corresponding quality management and control standard before dispatching from the factory, for promoting bipolar plate's preparation efficiency, this application adopts the mode of selective examination, detects the gas tightness of unipolar plate.
For example, the feeding moving sliding table 21 includes a motor, a sliding rail, a sliding block and a supporting table, and the motor drives the sliding block to drive the supporting table to slide along the sliding rail in a reciprocating manner through a belt and a transmission member such as a screw rod assembly, so that the single electrode plate is fed into the air tightness detection tool 22 and moved out of the air tightness detection tool 22. The air tightness detection tool 22 comprises a sealed shell and an air tightness detector, and the air tightness detector detects the air tightness of the electrode plate in a sealed space formed by the sealed shell.
The unipolar plates which are qualified through the sampling inspection and are not sampled and inspected are all arranged on the unipolar plate feeding station 30, and the structure and the function of the unipolar plate feeding station 30 are described next.
As shown in fig. 5, the unipolar plate feeding station 30 includes a unipolar plate feeding mechanism 31, a tray positioning mechanism 32, a secondary positioning platform 33, a second visual detection mechanism 34, and a fourth grabbing mechanism 35. The unipolar plate feeding mechanism 31, the tray positioning mechanism 32, the secondary positioning platform 33 and the second visual detection mechanism 34 are all installed on the same station platform.
The first tray 312 and the second tray 314 are stored on the unipolar plate feeding mechanism 31 at the same time, the first tray 312 is used for bearing the first unipolar plate, the second tray 314 is used for bearing the second unipolar plate, the unipolar plate feeding mechanism 31 can enable the first unipolar plate and the second unipolar plate which are grabbed by the fourth grabbing mechanism 35 to be located at the same position and the same height at each time, so that the material fetching difficulty of the fourth grabbing mechanism 35 is reduced, the tray positioning mechanism 32 is used for positioning the first tray 312 and the second tray 314, the replaced first tray 312 and the replaced second tray 314 are still located at the same position, and the material fetching difficulty of the fourth grabbing mechanism 35 is further reduced.
The unipolar plate feeding mechanism 31 may be a cartridge clip type feeding mechanism, and after the unipolar plates borne by the first tray 312 and/or the second tray 314 are captured, the cartridge clip type feeding mechanism pushes up another tray bearing the unipolar plates to a position to be captured, so that the fourth capturing mechanism 35 captures the first unipolar plate and the second unipolar plate from the same position and the same height each time.
The fourth grabbing mechanism 35 comprises an industrial robot, a flattening component and a gripper component, the flattening component and the gripper component are connected to the tail end of a mechanical arm of the industrial robot, the flattening component is used for flattening the first unipolar plate or/and the second unipolar plate before the gripper component grabs the first unipolar plate or/and the second unipolar plate, then the gripper component grabs the first unipolar plate or/and the second unipolar plate, and the gripper component can be a vacuum chuck, which is not limited in this application.
The secondary positioning platform 33 is used for flattening and positioning the first unipolar plate and the second unipolar plate so as to reduce the risk of deformation of the first unipolar plate and the second unipolar plate in the grabbing process. In the process operation, the fourth grabbing mechanism 35 grabs the corresponding unipolar plates from the first tray 312 or the second tray 314, places the unipolar plates on the secondary positioning platform 33, flattens the unipolar plates for the second time, and then grabs and transports the unipolar plates to the tooling pallet 13 by the fourth grabbing mechanism 35.
When the first unipolar plate and the second unipolar plate are placed on the secondary positioning platform 33, the second visual detection mechanism 34 acquires the position coordinates of the first unipolar plate and the second unipolar plate and feeds the position coordinates back to the fourth grabbing mechanism 35, so that the fourth grabbing mechanism 35 is matched to realize accurate material placing after material taking.
Specifically, the fourth grabbing mechanism 35 grabs the first unipolar plate and the second unipolar plate from the unipolar plate feeding mechanism 31 and places the first unipolar plate and the second unipolar plate on the secondary positioning platform 33 for flattening and positioning, and then carries out secondary grabbing on the first unipolar plate and the second unipolar plate according to the position coordinate fed back by the second visual detection mechanism and transports the first unipolar plate and the second unipolar plate to the tooling pallet 13.
Then, the material flow conveying circulation line 10 conveys the tooling pallet 13 to the pretreatment station 40.
As shown in fig. 6, the preprocessing station 40 includes a marking mechanism 46 and/or an appearance detection station 47, where the marking mechanism 46 is configured to mark the first unipolar plate and the second unipolar plate in the tool tray 13, so as to subsequently identify information related to the first unipolar plate and the second unipolar plate, for example, distinguish the first unipolar plate from the second unipolar plate by using the information, and the marking mechanism may be further configured to detect whether the marking content is qualified; the appearance detection mechanism 47 is configured to perform appearance defect detection on the first unipolar plate and the second unipolar plate in the tool tray 13, so as to preliminarily detect the defective first unipolar plate and the defective second unipolar plate from appearance, and bind the defective first unipolar plate and the defective second unipolar plate with the corresponding tool tray 13, so that defects may be distinguished from which first unipolar plate and/or second unipolar plate on the tool tray 13 exist, so as to subsequently remove the defective first unipolar plate and second unipolar plate, thereby facilitating improvement of the qualification rate of the bipolar plate.
The pre-treatment station 40 is further used to weld the dispenser sub-assemblies into the first and/or second dispenser assemblies. The preprocessing station 40 further comprises a distributing part feeding mechanism 41, a fifth grabbing mechanism 42, a pressing and positioning mechanism 43, a fourth welding mechanism 44 and a storage mechanism 45.
The distributing part feeding mechanism 41 is used for storing distributing part sub-components, the fifth grabbing mechanism 42 first grabs the distributing part sub-components from the distributing part feeding mechanism 41 to the pressing and positioning mechanism 43, the pressing and positioning mechanism 43 is used for fixing and positioning the distributing part sub-components transferred by the fifth grabbing mechanism, the fourth welding mechanism 44 is used for welding the distributing part sub-components fixed on the pressing and positioning mechanism 43 to form a first distributing part and/or a second distributing part, and the fifth grabbing mechanism 42 transfers the welded first distributing part and/or second distributing part to the storing mechanism 45.
The dispensing member feed mechanism 41 is substantially the same in structure as the unipolar plate feed mechanism 31 described above, and the dispensing member feed mechanism 41 is used to achieve automatic feeding of the dispensing member subcomponents. The fifth gripper mechanism 42 is substantially identical in construction to the fourth gripper mechanism 35 described above for gripping and transporting the dispensing member sub-assembly and the first and second dispensing members.
The pressing and positioning mechanism 43 comprises two pressing plates, two sets of servo push rods and two sets of air cylinders, the two sets of servo push rods respectively push the corresponding pressing plates to press and position the sub-components of the sub-components from two horizontal directions perpendicular to each other, the two sets of air cylinders respectively provide power for the corresponding servo push rods, and the two sets of air cylinders respectively adjust the displacement of the servo push rods to press and position the sub-components of the sub-components, so that the surfaces of the stacked sub-components of the distribution components are fully contacted, the insufficient welding between the sub-components of the distribution components is avoided, and further, when the sub-components of the distribution components are welded by the fourth welding mechanism 44, the high-quality welding effect is favorably realized, the fourth welding mechanism 44 further comprises a dust removal. The storage mechanism 45 has substantially the same structure as the unipolar plate feeding mechanism 31, and the welded first and second distribution members are loaded in the storage mechanism 45.
In this embodiment, the dispenser sub-assembly has two specifications to form the first dispenser and the second dispenser in correspondence with each other in the subsequent process. In other words, the dispensing member feeding mechanism 41 simultaneously feeds two sizes of dispensing member sub-components, the dispensing member sub-component of the first size being welded to form the first dispensing member, the dispensing member sub-component of the second size being welded to form the second dispensing member, the storage mechanism 45 may be correspondingly divided into a first dispensing member feeding mechanism 451 and a second dispensing member feeding mechanism 452, the first dispensing member feeding mechanism 451 stores the first dispensing member, and the second dispensing member feeding mechanism 452 stores the second dispensing member. Subsequently, the first part feeder 451 is transferred to the first welding station 50 and the second part feeder 452 is transferred to the second welding station 60, where the transfer of the first part feeder 451 and the second part feeder 452 can be performed by mechanical means or manually. The structure of the storage mechanism 45 is substantially the same as that of the unipolar plate feeding mechanism 31, and the storage mechanism 45 may be a cartridge type feeding mechanism.
Thereafter, the material flow conveying circulation line 10 conveys the tooling pallet 13 to the first welding station 50.
As shown in fig. 7, the first welding station 50 includes a first index dial 51, a first dispensing member feeding mechanism 451, a visual detection member 52, a first pressing mechanism 53, a first welding mechanism 54, a first tensile testing mechanism 55, a first gripping mechanism 56, and a discharge magazine 57.
The visual inspection part 52 may be a visual camera or a smart camera, and is configured to photograph and position the first subassembly, so that the first grabbing mechanism 56 can accurately grab the first subassembly from the first subassembly feeding mechanism 451 and place the first subassembly in the loading position tool of the first indexing turntable 51, the first grabbing mechanism 56 also grabs the first unipolar plate from the tool tray 13 and transfers the first unipolar plate to the loading position tool, the first indexing turntable 51 sequentially conveys the tool loaded with the first unipolar plate and the first subassembly to the first pressing mechanism 53, the first tensile testing mechanism 55 and the unloading position, wherein the first pressing mechanism 53 is configured to press the first subassembly and the first unipolar plate to avoid a cold joint between the first subassembly and the first unipolar plate, the first welding mechanism 54 is configured to weld the pressed first subassembly and the first unipolar plate into the first unipolar plate assembly, first welding mechanism 54 includes dust pelletizing system, and dust pelletizing system is used for clearing up the produced flying dust of welding, and first pulling force accredited testing organization 55 is used for testing the welding strength between first distribution part and the first unipolar board to detect out the welding defective products, and first grabbing mechanism 56 abandons unqualified first unipolar board subassembly in unloading box 57 again, transports qualified first unipolar board subassembly to on frock tray 13.
In this embodiment, the motor drives the first index dial 51 to rotate to realize circulation at four stations, the first pressing mechanism 53 includes a servo push rod and an air cylinder, the air cylinder drives the servo push rod to press the first distribution member and the first unipolar plate, the first welding mechanism 54 is a laser welding machine, the first tension testing mechanism 55 is a tension testing machine, and the first grabbing mechanism 56 has substantially the same structure as the fifth grabbing mechanism 42.
Thereafter, the material flow conveying circulation line 10 conveys the tooling pallet 13 to the second welding station 60.
As shown in fig. 8, the second welding station 60 includes a second index dial 61, a second distributing member feeding mechanism 452, a visual inspection member 62, a second pressing mechanism 63, a second welding mechanism 64, a second tension testing mechanism 65, a second grabbing mechanism 66, a discharging box 67, a transfer mechanism 68, and a secondary positioning moving platform 69.
The second distributing part feeding mechanism 452 is simultaneously used for respectively storing the second distributing part and the water plate and automatically feeding the second distributing part and the water plate; the transfer mechanism 68 simultaneously grabs the second distribution piece and the water plate from the second distribution piece feeding mechanism 452 by adopting a vacuum adsorption mode, and transfers the second distribution piece and the water plate to the secondary positioning moving platform 69; the secondary positioning moving platform 69 performs secondary flattening and positioning on the second fitting part and the water plate, and moves the second fitting part and the water plate to the grabbing position of the second grabbing mechanism 66; the visual detection part 62 may be a visual camera, and is configured to photograph and position the second distribution part and the water plate on the secondary positioning moving platform 69, so that the second grabbing mechanism 66 can accurately grab the second distribution part and the water plate from the secondary positioning moving platform 69 and place the second distribution part and the water plate into the loading position of the second indexing turntable 61, and the second grabbing mechanism 66 also grabs the second unipolar plate from the tooling pallet 13 to the loading position of the second indexing turntable 61; the second indexing turntable 61 rotates the loading position to a second pressing mechanism 63, and the second pressing mechanism 63 is used for pressing the second distribution piece, the water plate and the second unipolar plate, so that the second distribution piece, the water plate and the second unipolar plate are fully contacted, and the cold joint among the second distribution piece, the water plate and the second unipolar plate is avoided; the second welding mechanism 64 is used for welding the compressed second distribution member, the water plate and the second unipolar plate into a second unipolar plate assembly; the second tensile testing mechanism 65 is used for testing the welding strength among the second distribution member, the water plate and the second unipolar plate so as to detect a defective welding product; the second grabbing mechanism 66 discards the unqualified second unipolar plate assembly in the blanking box 67, and transfers the qualified second unipolar plate assembly to the tooling tray 13.
Thereafter, the material flow conveying circulation line 10 conveys the tooling pallet 13 to the third welding station 70.
As shown in fig. 9, the third welding station 70 includes a third index dial 71, a third pressing mechanism 72, a third welding mechanism 73, a first visual detection mechanism 74, a third gripping mechanism 75, and a blanking box 76.
The third grabbing mechanism 75 is used for grabbing the first unipolar plate assembly and the second unipolar plate assembly from the tool tray 13 to a loading position of the third indexing rotary table 71, and performing indexing conveying by the third indexing rotary table 71; the third indexing turntable 71 rotates the loading level to the third pressing mechanism 72, the third pressing mechanism 72 is used for pressing the first single-pole plate assembly and the second single-pole plate assembly to avoid the false welding between the first single-pole plate assembly and the second single-pole plate assembly, the third welding mechanism 73 is used for welding the pressed first single-pole plate assembly and the pressed second single-pole plate assembly into a bipolar plate, the first visual inspection mechanism 74 is used for inspecting the welding quality of the bipolar plate, the third grabbing mechanism 75 is used for placing the unqualified bipolar plate into the blanking box 76, and the qualified bipolar plate is placed into the tooling tray 13.
And then, the tool tray 13 is conveyed to a bipolar plate air tightness detection station 80 by the logistics conveying circulation line 10, the bipolar plate air tightness detection station 80 is used for carrying out air tightness detection on the bipolar plates carried by the tool tray 13, and the bipolar plates are subjected to differentiated blanking according to detection results.
As shown in fig. 10, the bipolar plate airtightness detection station 80 includes a moving assembly 81, a sixth gripping mechanism 82, an airtightness testing mechanism 83, a good material box 84, and a bad material box 85.
The sixth grabbing mechanism 82 is arranged on the moving assembly 81, grabs the loaded bipolar plates from the tooling tray 13 under the transmission of the moving assembly 81, and distributes the grabbed bipolar plates to different air tightness testing mechanisms 83, so that the multiple bipolar plates are synchronously detected by the multiple air tightness testing mechanisms 83 to detect whether leak points exist in cavities of the bipolar plates, the sixth grabbing mechanism 82 places the bipolar plates qualified in the air tightness test into good product material boxes 84, and places the bipolar plates unqualified in the air tightness test into unqualified product material boxes 85.
In this embodiment, a plurality of hermeticity testing mechanisms 83 are disposed along both sides of the moving assembly 81, the moving assembly 81 drives the sixth gripping mechanism 82 to move along the defined trajectory, so as to sequentially place the bipolar plates on the tooling pallet 13 to the respective hermeticity testing mechanisms 83, and the moving assembly 81 effectively increases the operating space range of the sixth gripping mechanism 82.
In contrast to the prior art, the present application discloses a bipolar plate production line. Through the arrangement of the logistics conveying circulation line, the tooling pallet is conveyed in a circulating manner, so that workpieces in the bipolar plate production process are conveyed to each station in sequence, and the production efficiency of the bipolar plate is greatly improved; the first distribution part and the first unipolar plate carried by the tooling tray are welded into a first unipolar plate assembly by arranging a first welding station and are placed on the tooling tray; a second welding station is arranged, so that a second single-pole plate assembly is formed by welding a second distribution part, a water plate and a second single-pole plate carried by the tooling tray and is placed on the tooling tray; the first single-plate assembly and the second single-plate assembly carried by the tooling pallet are welded into the bipolar plate by arranging a third welding station; the production process of the bipolar plate is divided into a plurality of steps by the mode, and the action of each step is realized by adopting an automatic machine, so that the automatic production of the bipolar plate is realized, and the production efficiency of the bipolar plate is effectively improved.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.
Claims (12)
1. A bipolar plate production line, comprising:
the logistics conveying circulation line is used for circularly conveying the tooling pallet;
the first welding station is used for welding the first distribution part and the first unipolar plate carried by the tooling tray into a first unipolar plate assembly and placing the first unipolar plate assembly on the tooling tray;
the second welding station is used for welding a second distribution part, a water plate and a second unipolar plate carried by the tooling tray into a second unipolar plate assembly and placing the second unipolar plate assembly on the tooling tray;
and the third welding station is used for welding the first single-plate assembly and the second single-plate assembly carried by the tooling pallet into the bipolar plate.
2. The bipolar plate production line of claim 1, wherein the stream delivery circulation line comprises:
the conveying lines comprise a first conveying line and a second conveying line which are arranged at intervals in the vertical direction and are used for conveying the tooling trays in the horizontal direction opposite to each other;
the two lifting backflow mechanisms are respectively arranged at two ends of the conveying line and used for transferring the tool tray between the first conveying line and the second conveying line along the vertical direction;
the stopping mechanism is used for stopping the tool tray when the tool tray is conveyed to a corresponding station;
and the lifting positioning mechanism is used for lifting the tool tray when the tool tray is conveyed to the corresponding station.
3. The bipolar plate production line of claim 1, wherein the first welding station comprises:
a first indexing turntable;
the first distributing part feeding mechanism is used for storing the first distributing part;
the first grabbing mechanism is used for grabbing the first distribution part from the first distribution part feeding mechanism and grabbing a first unipolar plate from the tool tray to the first indexing turntable, and the first unipolar plate is conveyed in an indexing mode through the first indexing turntable;
a first compression mechanism for compressing the first distribution member and the first unipolar plate;
a first welding mechanism for welding the compressed first dispensing piece and the first unipolar plate into the first unipolar plate assembly;
the first tensile force testing mechanism is used for testing the welding strength between the first distribution component and the first unipolar plate.
4. A bipolar plate production line as set forth in claim 3, wherein the second welding station includes:
a second indexing turntable and a secondary positioning mobile platform;
the second distribution piece feeding mechanism is used for respectively storing the second distribution piece and the water plate;
the transfer mechanism is used for grabbing the second distribution part and the water plate from the second distribution part feeding mechanism, transferring the second distribution part and the water plate to the secondary positioning moving platform, and performing secondary positioning and transferring by the secondary positioning moving platform;
the second grabbing mechanism is used for grabbing the second distribution part and the water plate from the secondary positioning moving platform and grabbing a second unipolar plate to the second indexing rotary table from the tooling pallet, and the second unipolar plate is subjected to indexing conveying by the second indexing rotary table;
the second pressing mechanism is used for pressing the second distribution part, the water plate and the second unipolar plate;
a second welding mechanism for welding the compressed second distribution member, the water plate, and the second unipolar plate into a second unipolar plate assembly;
and the second tension testing mechanism is used for testing the welding strength among the second distribution part, the water plate and the second unipolar plate.
5. The bipolar plate production line of claim 4, wherein the third welding station comprises:
a third indexing turntable;
the third grabbing mechanism is used for grabbing the first single-pole plate assembly, the second single-pole plate assembly and a third indexing rotary table from the tooling pallet and carrying out indexing conveying by the third indexing rotary table;
a third pressing mechanism for pressing the first unipolar plate assembly and the second unipolar plate assembly;
a third welding mechanism for welding the compressed first and second monopolar plate assemblies into the bipolar plate;
and the first visual detection mechanism is used for detecting the welding quality of the bipolar plate.
6. The bipolar plate production line of claim 1, further comprising a unipolar plate loading station for loading the first unipolar plate and the second unipolar plate onto the tooling pallet.
7. The bipolar plate production line of claim 6, wherein the unipolar plate loading station comprises:
the unipolar plate feeding mechanism is used for storing a first material tray bearing a first unipolar plate and a second material tray bearing a second unipolar plate;
the charging tray positioning mechanism is used for positioning the first charging tray and the second charging tray in the unipolar plate feeding mechanism;
the secondary positioning platform is used for flattening and positioning the first unipolar plate and the second unipolar plate;
the second visual detection mechanism is used for acquiring the positions of the first unipolar plate and the second unipolar plate on the secondary positioning platform;
and the fourth grabbing mechanism is used for grabbing the first unipolar plate and the second unipolar plate from the unipolar plate feeding mechanism, placing the first unipolar plate and the second unipolar plate on the secondary positioning platform for flattening and positioning, secondarily grabbing the first unipolar plate and the second unipolar plate according to the position fed back by the second visual detection mechanism, and transferring the first unipolar plate and the second unipolar plate to the tooling pallet.
8. The bipolar plate production line of claim 1, further comprising a pre-treatment station comprising a marking mechanism and/or an appearance inspection mechanism for marking the first and second unipolar plates in the tooling pallet; and the appearance detection mechanism is used for detecting appearance defects of the first unipolar plate and the second unipolar plate in the tool tray.
9. The bipolar plate production line of claim 8, wherein the pre-treatment station is further for welding a dispenser subassembly into the first and/or second dispenser parts.
10. A bipolar plate production line as set forth in claim 9, wherein said pretreatment station comprises:
a dispenser feed mechanism for storing dispenser sub-components;
a fifth grasping mechanism for grasping the dispenser sub-component from the dispenser feed mechanism;
the pressing and positioning mechanism is used for fixing and positioning the distribution piece sub-component transferred by the fifth grabbing mechanism;
and the fourth welding mechanism is used for welding the distributor sub-component fixed on the pressing and positioning mechanism to form the first distributor and/or the second distributor.
11. The bipolar plate production line of claim 1,
the third welding station further places the bipolar plate on the tooling pallet, and the bipolar plate production line further comprises:
and the bipolar plate air tightness detection station is used for carrying out air tightness detection on the bipolar plate borne by the tooling tray and carrying out differentiated blanking on the bipolar plate according to a detection result.
12. A bipolar plate production line as claimed in claim 11, wherein the hermeticity detection station comprises:
the mobile assembly comprises a plurality of air tightness testing mechanisms;
and the sixth grabbing mechanism is arranged on the moving assembly, grabs the loaded bipolar plates from the tooling pallet under the transmission of the moving assembly, and distributes the grabbed bipolar plates to different air tightness testing mechanisms so as to synchronously detect the bipolar plates by the air tightness testing mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911168679.4A CN110802320A (en) | 2019-11-25 | 2019-11-25 | Bipolar plate production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911168679.4A CN110802320A (en) | 2019-11-25 | 2019-11-25 | Bipolar plate production line |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111805118A (en) * | 2020-09-04 | 2020-10-23 | 爱德曼氢能源装备有限公司 | Automatic positioning welding device for bipolar plate of fuel cell |
| CN112620942A (en) * | 2021-01-14 | 2021-04-09 | 深圳威迈斯新能源股份有限公司 | Copper bar laser welding process method, IGBT module assembly and new energy automobile |
| CN112903195A (en) * | 2021-03-04 | 2021-06-04 | 武汉华工激光工程有限责任公司 | Air tightness detection station for automatic welding of fuel cell bipolar plate |
| CN113102881A (en) * | 2021-03-29 | 2021-07-13 | Fa自动化***有限公司 | Lead frame processing system |
| CN115781015A (en) * | 2023-01-26 | 2023-03-14 | 适新科技（苏州）有限公司 | Welding device and method for metal bipolar plate of ultrathin fuel cell |
-
2019
- 2019-11-25 CN CN201911168679.4A patent/CN110802320A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111805118A (en) * | 2020-09-04 | 2020-10-23 | 爱德曼氢能源装备有限公司 | Automatic positioning welding device for bipolar plate of fuel cell |
| CN112620942A (en) * | 2021-01-14 | 2021-04-09 | 深圳威迈斯新能源股份有限公司 | Copper bar laser welding process method, IGBT module assembly and new energy automobile |
| CN112903195A (en) * | 2021-03-04 | 2021-06-04 | 武汉华工激光工程有限责任公司 | Air tightness detection station for automatic welding of fuel cell bipolar plate |
| CN113102881A (en) * | 2021-03-29 | 2021-07-13 | Fa自动化***有限公司 | Lead frame processing system |
| CN115781015A (en) * | 2023-01-26 | 2023-03-14 | 适新科技（苏州）有限公司 | Welding device and method for metal bipolar plate of ultrathin fuel cell |
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