SU1576945A1 - Automatic line for manufacturing fuel components - Google Patents

Abstract

FIELD OF THE INVENTION The invention relates to electrical engineering and to the manufacture of fuel cells. The purpose of the invention is to increase productivity. The device contains electrode manufacturing units with lifting tables, an assembly unit, a transportation unit, a computing unit, gripping robots, manipulators, electrode mass deposition units, electrode charging units, an electrically conductive electrode deposition unit, a drying unit, a glue application unit, an assembly unit technological cassettes, diffusion welding unit. The robot delivers a stack of ceramic pallets 5 with primary cells of the fuel cell to the lifting table 1. At the same time, the manipulator 10 moves along the rails 18 towards the lifting table 1, and the pneumatic gripper 11 lowers, captures the primary cells and transfers them to perform manufacturing operations. Thereafter, the ceramic pallet 5 is transferred from the first lifting table 1 to the second lifting table 2 for further processing steps. The movement of tables 1 and 2 is carried out with the help of screw elevators 3 and 4. 12 Il.

Description

The invention relates to the electrical industry and can be used in the manufacture of high temperature solid electrolyte fuel cells.

The aim of the invention is to increase productivity.

Figures 1-4 show the proposed automatic line, general view; on fig.b - fuel cell battery, section; figure 6 - section aa in figure 1, - fig. 7 is a section bB in FIG. Fig, 8 is a section bb In figure 2; figure 9 is a section of the G-Gnd 2; in fig. 10 - section D-Dafigig.Z; in fig. 11 is an E-E section of FIG. 3J in FIG. 12 is a view of W in FIG.

The proposed automatic line contains the manufacturing unit of the first electrode, the module assembling unit and the manufacturing unit of the second electrode.

The manufacturing unit of the first electrode contains the first lifting table 1 and the second lifting table 2 located behind it in the direction of the technological process, on which the lift of the ceramic pallets 5 with the primary cells 6 of the fuel cells is lifted or lowered by means of screw lifts 3 and 4. The foot of the ceramic pallets 5 is moved from the first lifting table 1 to the second lifting table 2 by means of the first manipulator 7c with a pneumatic gripper 8, which is moved along the rails 9. The second manipulator 10 has a pneumatic gripper 11 with which the primary cells 6 are moved from the ceramic tray 5 to the top plate 12 of the bath 13, in which electrode paste 14 for the inner electrode 15 is located. Electrode paste 14 is prepared in a lifting mixer 16, which with the help of a screw drive 17 remeschaets in a vertical plane by feeding the electrode 14 v weight into the internal cavity lane

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 primary cell 6. The second manipulator 10 is moved along the rails 18. The lifting and lowering of the gripper 11 of the second manipulator is performed by a pneumatic cylinder 19. The pneumatic grips 8 and 11 have elastic, inflated shells 20, which are used to set the primary cells 6. The gripper 11 provides, in addition to moving the primary cells 6, also pressing them against the elastic coating 21 of the plate 12 to seal the internal volume of the primary cell 6 when it is filled with electrode paste 14.

The first robot 22 is placed on the monorail 23, laid over the entire line from its beginning to the end. The conveyor 24 delivers a stack of pallets to the blocks (furnaces) 25 and 26 for burning in the internal electrode. The first robot 22 installs a stack of pallets with primary cells 6 onto the third lifting table 27, removes the pallets released from the primary cells 6 from the fourth lifting table 28 and transfers them to the beginning of the line for subsequent loading with a new batch of primary cells 6.

The module assembly assembly contains a third lifting table 27, on which

The first control panel 22 installs a stack of pallets with primary cells after inserting the internal electrode 15 in blocks 25 and 26, the fourth lifting table 28, on which they are alternately shifted from the third lifting table 27 using the third manipulator 29 pallets 5. The third manipulator 29 has pneumatic gripper 30 and moves along guide rails 31, serving the third and fourth lifting tables.

The second robot 32 contains a pneumatic gripper 33, similar to the gripper 11 of the second manipulator 10. With the help of the second robot 32, the primary cells 6 are moved to apply an electrically conductive layer 34

unit jo, drying the electrically conductive layer by unit 36 drying, applying glue 37 with unit 38 applying glue.

The second robot 32 also installs the end members 39 of the modules 40. The module 40 is a collection of end members 39 and the primary cells 6. The end members 39 for assembling the module 40 are located in the cassette 41 mounted on the fifth lifting table 42.

Behind the fifth lifting table 42 of the assembly assembly of the modules 40, the sixth lifting table 43 is installed along the process, which, like the table 42, contains a lifting and lowering mechanism 44. On the sixth lifting table 43 is placed a process cassette 45, mounted with the help of the third robot 46.

A conveyor 47 is installed behind the sixth lifting table 43, delivering the process cartridges 45 to diffusion welding units 48-55. Each diffusion welding unit has its own automatic loading unit. Next, the first 56, second 57 and third 58 tables are located, the first table 56 serving for placing the cover 59 removed from the process cartridge 45, the second table 57 for placing the technology cartridge 45 after removing it from any diffusion welding unit, and the third table 58 - for stacking modules 40 extracted by means of a fourth arm 60 from a process cassette 45. The fourth arm 60 is located between the first and second tables. Three tables 56-58 and manipulator 60 constitute a stand for disassembling the process cassettes 61.

Further along the process chain, a manufacturing unit for the second electrode is installed, comprising a block 62 for applying insulating layers 63. Block 62 is serviced by a fourth robot 64. Robot 64 serves a block 65 for drying, block 66 for applying an electrode

paste onto the outer surface 67 of the fuel cell battery and the seventh lifting table 68, on which a stack of ceramic pallets 69 is mounted. The fifth manipulator 70 swaps the pallets from the seventh lifting table 68 to the eighth lifting table 71.

The fifth robot 72 provides for the swapping of pallets 69 onto the conveyor 73, which feeds the pallets to the blocks.

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74 - 77, where the outer electrode is burned. The last set table 78 issuing items.

The first robot 22 has an interval of movement from the beginning of the line to the fourth lifting table 28, inclusive, the second robot 32 has an interval of movement from the fourth lifting table 28 to the sixth lifting table 43, the third robot 46 has a moving interval from the sixth lifting table 43 to the application block 62 insulation layers, the fourth robot 64 - the interval of movement inclusive from the third table 58 of the disassembly unit of cassettes 61 to the seventh lifting table 68, the fifth robot 72 - the interval of movement inclusive from the eighth Foot table 71 to the table 78 issuing items

The proposed automatic line provides for synchronized interaction of all actuators using sensors that feed signals to the corresponding inputs of the computing unit, the outputs of which are connected to actuators. Actuators

0 we and their associated sensors are located at each node.

The first robot 22 includes a lifting and lowering mechanism 79 of the gripping device, a gripping rotation mechanism 80, as well as a robot moving mechanism 81. Corresponding to these actuators, sensors 82 and 83 of the extreme positions of the mechanism 79 for raising and lowering the gripper are installed, the sensor 84 forks of the forks of the turning mechanism and sensors 85 and 86 move the robot 22. Position sensors 82-86 are structurally located at the points defining the set positions

from the stops of the moving parts of the robot 22 and the stops of the robot itself. For example, sensor 85 records the position of the robot 22 in front of the first lift table 1, and sensor 86 detects

l position of the robot 22 over the fourth table 28. In the same way, all other units are equipped with sensors, taking into account their design features and necessary movements.

Different types of limit switches can be used as position sensors.

Actuator drives can be performed on conventional

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and (or) stepper motors. As a computational unit, the electronic computer of the brand Electronic-60 can be used with the appropriate software, which allows to realize the sequence of actions of the mechanisms and components of the proposed line.

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Mathematical gripper 11 together with primary cells 6, the inner surface of which is covered with electrode mass 14. Then the drive mechanism for moving the second manipulator 10 is turned on, primary cells 6 are transferred and installed on their previous places on a ceramic plate

Automatic line running barely

blowing way.

The first robot 22 feeds a stack of ceramic pallets 5, each of which is loaded with primary cells 6 of the fuel cell, to the lift table 1. The second arm 10 moves from its initial position along the guides 18 to the side of the lifting table 1 and stops so that the pneumatic gripper 11 is placed above the ceramic pallet 5 at a position to grip the primary cells 6 of the fuel cells. Compressed air is supplied to pneumatic cylinder 19. The gripper 11 is lowered until it stops by the end protrusions at the ends of the primary cells 6. Then air is introduced into the cavities of the elastic shells 20, which, swelling, capture the primary cells 6.

By moving the rod of the pneumatic cylinder 19 upward, the primary cells 6 are removed from the ceramic tray 5. Then, by the movement of the second manipulator 10, the primary cells 6 are transferred to the position above the bath 13, into which the electrode paste 14 for the inner electrode is fed, and pressed against the upper plate 12 of the bath 13. The upper plate 12 has windows for wicking the electrode paste 14 into the inner cavity of the primary cell 6. The lower end of the primary cell 6 is clamped to the elastic cover 21 of the upper plate 12 with the aid of the gripper 11 of the manipulator 10. Then About the command from the computing unit 87, the drive 17 for lifting the mixer 16 and the electrode paste 14 is turned on, rising in the bath, enters the internal cavities of the primary cells 6 of the fuel cells, covering the walls of their internal surfaces. After a certain delay, the computing unit 87 gives a command to lower the mixer 16 and the electrode paste 14 flows out of their internal cavities of the primary cells 6. The pneumatic cylinder 19 of the second manipulator 10 lifts the pneumatic

Don 5 „

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The first manipulator 7 is gripped by the ceramic pallet 5 by means of a pneumatic gripper. The first lifting table 1 is lowered by the amount necessary to release the pallet from fixation in the foot, and the first manipulator 7, moving along the guides 9, carries the ceramic pallet 5 of the first lifting table 1 to the second lifting table 2. The screw lift table 4 of the second lifting table 2, lifting, removes the pallet 5 from the gripper 8, then the gripping jaws are divorced and the first arm 7 returns to its original position (to the first lifting table).

After that, the cycle repeats. Such work continues until the ceramic pallets from the first lifting table 1 are moved to the second lifting table 2, with the primary cells 6 of the fuel cells with the deposited electrode 15 in the pallets on the table 2.

The first robot 22 removes a stack of ceramic pallets from the second lifting table 2 and places 24 on the conveyor belt, which, depending on the program, transmits this stack of pallets to one of the blocks 25 or 26 of the internal electrode ignition. After that, the first robot 22 returns i to its original position behind a new stack of ceramic pallets and places it on the first lifting table 1.

From the block of insertion of the inner electrode of the ceramic pallets, the conveyor 24 is fed into the zone of action of the first robot 22, removed by it and installed on the third lifting table 27. From the third lifting table 27 by means of the third manipulator 29, which is an exact copy of the first manipulator 7, ceramic the primary cell tray is relocated to the fourth lifting table 28.

The fuel cell module 40 is assembled from two end cells.

39 and several primary cells 6 having a tubular shape. An electrically conductive layer 34 and an adhesive layer 37 are applied to the ends of the primary cells 6 and the lower end of the upper end element 39. The elements 6 and 39 are joined by diffusion welding,

In accordance with the design of the fuel module, the assembly is carried out strictly in a certain sequence. The assembly of the fuel module 40 begins with the installation in the process cassette 45 of the lower end element 39. For this, the second robot 32 approaches the fifth lifting table 42 on which the cassette 41 is installed, in whose cells the end elements 39, which are round metal, are pre-stacked. stainless steel washers with a threaded hole in the middle. The grip of the second robot 32 is lowered to the table 42. A fifth lifting table 42, the platform of which is equipped with rods, the number of which corresponds to the number of columns of the end members 39 in the cassette 41, rises, with the rods entering the holes in the bottom of the cassette 41 raising the posts of the end members

39 and plant the top elements 39 located at the top of the column into the pneumatic gripper 33 of the second robot 32. The gripping structure of the second robot 32 is similar to the gripping structure 11 of the second manipulator 10.

Then, the robot 32 with the captured elements 39 is moved to an adjacent position above the sixth lifting table 43 with the process cassette 45 in which the module is assembled.

40 fuel cell. The sixth lifting table 43 has pins that enter the holes.

Before the operation of the automatic line, ap, also after the change of the cartridge filled with the assembled modules 41, the sixth lifting table 43 is in its extreme upper position. In order to assemble the module 40, it is necessary to lower the table 43 with the rods at a step equal to the height of the primary cell 6. First, the lower end elements 39 are placed in the process cassette 45 by the second robot 32, then the primary cells 6 of the fuel cells, then the upper end elements 39 This is done as follows.

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zom. From the pallet located on the fourth lift table 28, the primary cells 6 are removed by the second robot. volume 32. The second robot 32 transfers the primary cells 6 to the electrically conductive deposition unit 35. On command from the computing unit 87, the gripping of the robot 32 is lowered to the contact of the cell planes with the bath surface of this unit wetted with an electrically conductive paste. Then, the gripper is lifted and the second robot 32 is moved to the drying unit 36. Drying of the applied electrically conductive layer occurs as a result of blown hot air on the end surface of the primary cells 6 of the fuel cells, which are located in the gripper of the robot 32. The stopping time of the second robot 32 above the drying unit 36 is determined by the process mode.

Next, the second robot 32 moves to the glue application unit 38 and stops 5 above the bathroom. On command from the computing unit 87, the gripping of the robot 32 is lowered and the end surface of the primary cell 6, which already has a dried conductive layer, is wetted with adhesive 37. Then the gripper of the second robot 32 rises, and the robot, mine fifth fifth table 42 with the cassette 41 with the end members 39, is moved to the sixth lifting table 43, where the fuel cell is assembled in the technological cassette 45 by overlapping one primary cell 6 with the second robot 32. yvaets upper end member 39.

The second robot 32 moves to the fifth lifting table 42 for resuming the assembly operation, and the third robot 46 takes the cassette cover 59 from the first table 56 using a forks capture and installs it on the technological cassette 45, thus fixing the collected fuel cells. modules 40.

Then the third robot 46 uses a forks clamp to install the technology cassette 45 on the conveyor 47, which moves the cassette 45 to one of the diffusion welding units. In these blocks, the welding of ceramic primary cells 6 and metal end elements occurs.

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39 between each other. After installation of the technological cassette 45 on the conveyor 47, the third robot 46 swaps the empty technological cassette 45 from the second table 57 to the sixth lifting table 43 o

At the end of the diffusion welding process, the technological cassette 45 is unloaded onto the conveyor 47. The third cassette 45 transfers the technological cassette 45 to the second table 57, where the third robot 46 removes the cover from the technological cassette 45 and puts it on the first table 56

In between the second table

57 and a third / table 58, there is a fourth manipulator 60, which removes the welded fuel cell modules 40 from the process cartridge 45 and lays them on the third table

58 in a horizontal position. Table 58 performs the functions of a storage device while maintaining the stability (continuity) of the process.

The fourth robot 64 captures the fuel cell module 40 from the third table 59 and moves to the insulating layer application unit 62, which contains a disk roller. This disk roller is located above the bath and rotates freely, transferring the insulating paste to the surface of the module 40 to form an insulating layer 63.

The rotation of the disk roller occurs due to friction forces between the contact surface of the roller disks and the outer surface of the module 40, and rotation is transmitted from the capture of the fourth robot 64 rotating the module 40. At the end of this operation, the rotation drive of the module is turned off, the capture of the fourth robot 64 is lifted along with the module 40 and moving the robot 64 to the block 65 of the object. The gripping is lowered, the module rotates, and the outside surface of the module is blown with hot air. After that, the robot 64 transfers the module to the external electrode application unit 67, where by contacting the external surface of the module with the surface of the disk roper dipped in the bath with the electrode mass, the application is applied to the module 40 of the external electrode 67.

Then the robot 64 returns the coated module 40 to the drying position, after which it places the fuel cell module 40 on the upper ceramic pallet 69, located in the foot located on the seventh lifting table 68. As the pallet 69 is filled, the fifth manipulator 70 of the pallet 69 is shifted from the seventh table 68 to the eighth lifting table 71. With the accumulation of a sufficient number of pallets with modules 40 on the eighth lifting table 71 sun feet

5 by means of the fifth robot 72 is removed and transferred to the conveyor 73, which transmits pallets to the external electrode firing unit 7477. After the operation of vzhigani outdoor

0 electrodes pallets using conveyor 73 and robot 72 arrive at the table

78 output of pre-fabricated modules 40 fuel cells. The cycle of the automatic line ends there.

5 The proposed automatic line is reliable in operation, has high productivity and makes it possible to produce high-temperature fuel cells with solid electrolyte 10 ppm. .

0 per year on the same line with high stability of the physicomechanical characteristics of fuel cells.

Claims (1)

Invention Formula An automatic line for the manufacture of fuel cells containing the manufacturing unit of the first electrode arranged with the transport system and the first electrode manufacturing unit with the first lifting table, the assembly assembly and the manufacturing unit of the second electrode, actuators, control system with position sensors, cassettes and actuator. characterized in that, in order to increase productivity, it additionally contains seven operating tables, assembling and disassembling units of technological cassettes with three auxiliary tables, five robots and five manipulators, a computing unit whose inputs are connected to position sensors, and exits - with actuators, the transport system between the nodes of the line is designed as a monorail placed above them, on which are installed with the possibility of reciprocating transporting robots with grippers, the manufacturing unit of the first electrode is equipped with a second lifting table, an electrode mass deposition unit on the inner surfaces of the primary cells located above the first and second lifting tables first manipulator with a forks located above the first table and a unit for carrying the electrode mass the second pneumatic gripper and the firing unit of the first electrode, and the first transport robot placed above this unit is equipped with a forks mounted to move from the first lifting table to the fourth lifting table, inclusive; the assembly assembly is made in the form of successively located third and fourth lifting tables with a third manipulator having a forks, an electrically conductive coating unit, a drying unit, an adhesive application unit, technological assembly units cassettes, made in the form of the fifth and sixth located in the direction of movement of the transport robot lifting tables, and diffusion welding unit, located above the assembly of the second and third transport robots have different grips — pneumatic and fork, respectively; the second robot is capable of moving, inclusive, from the fourth lifting table to the sixth lifting table, and the third robot — from 0 five 0 five 0 five the sixth lifting table to the manufacturing unit of the second electrode; the manufacturing unit for the second electrode is made in the form of successively arranged block assembling technological cassettes consisting of the first, second and third successively auxiliary tables located under the monorail with the fourth manipulator located between the second and third auxiliary tables by gripping, insulating layers deposition unit, drying unit, coating of electrode paste deposition on the outer surface of the battery of elements The seventh and eighth lifting tables with a fifth manipulator having a forks and the second electrode insertion unit, the fourth and fifth robots are installed over the manufacturing unit of the second electrode, the fourth robot is movable from the third auxiliary table of the disassembly unit of technological cassettes to the seventh lifting table and has a tong-mounted grip mounted for rotation, the fifth transport robot is capable of moving inclusive from the eighth lifting grip la to the vigi block of the second electrode and has a forks, the position sensors of the control system are placed respectively above each of the lifting tables of the line, above the cassette assembly unit, above the second and third auxiliary tables of the rae-1-block of technological cassettes; 27 zo C and "zg but 6 V -yЈS (ham y) i | SVG9ZC1 39 FI.5 YES 23 FIG. YU 70  Phi 41 FIG. 12