CN108325881B - Automatic cleaner for graphite bipolar plate - Google Patents
Automatic cleaner for graphite bipolar plate Download PDFInfo
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- CN108325881B CN108325881B CN201810169874.8A CN201810169874A CN108325881B CN 108325881 B CN108325881 B CN 108325881B CN 201810169874 A CN201810169874 A CN 201810169874A CN 108325881 B CN108325881 B CN 108325881B
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- bipolar plate
- graphite bipolar
- automatic
- basket
- graphite
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 155
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 155
- 239000010439 graphite Substances 0.000 title claims abstract description 155
- 238000004140 cleaning Methods 0.000 claims abstract description 87
- 238000007599 discharging Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 93
- 210000000078 claw Anatomy 0.000 claims description 30
- 230000009471 action Effects 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 9
- 230000003749 cleanliness Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 8
- 239000000446 fuel Substances 0.000 description 7
- 238000000748 compression moulding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
Landscapes
- Cleaning In General (AREA)
Abstract
The invention discloses an automatic cleaning machine for a graphite bipolar plate, which comprises a first automatic line body, a cleaning device and a control system, wherein the first automatic line body is connected with the cleaning device; the first automatic wire body is connected with the inlet end of the cleaning device, and the first automatic wire body and the cleaning device are respectively and electrically connected with the control system; a first tooling plate is arranged on the first automatic wire body to place a compression-molded graphite bipolar plate; the cleaning device comprises an automatic feeding unit, a first cleaning unit, a workbench, an automatic discharging unit and a second cleaning unit; the first cleaning unit and the second cleaning unit are respectively used for cleaning the upper surface and the lower surface of the graphite bipolar plate. The invention can greatly improve the cleaning efficiency and cleanliness of the graphite bipolar plate, reduce the damage of the graphite bipolar plate in the cleaning process and ensure the quality of the graphite bipolar plate.
Description
Technical Field
The invention relates to the field of cleaning of graphite bipolar plates, in particular to an automatic cleaning machine for graphite bipolar plates.
Background
The fuel cell is a chemical device which directly converts chemical energy of fuel into electric energy, does not relate to oxyhydrogen combustion, is not limited by Carnot cycle effect, and has high energy conversion efficiency; in addition, the fuel cell has no mechanical transmission part, is convenient to assemble and maintain, has no noise, and discharges few harmful gases. The fuel cell power supply is a clean and efficient green and environment-friendly power supply, is a fourth power generation technology following hydroelectric power generation, thermal power generation and atomic power generation, and the development of the fuel cell technology has important significance.
The fuel cell stack is formed by stacking and combining a plurality of single cells in a series connection mode, and the core of the fuel cell stack is a bipolar plate and an MEA (membrane electrode assembly). At present, the material commonly used for the bipolar plate is graphite, because compared with a metal bipolar plate, the graphite bipolar plate has the characteristics of high conductivity, corrosion resistance, light weight, long service life, good electrode compatibility and the like.
After the graphite plate is subjected to compression molding to form the graphite double-stage plate with the flow field, two sides of the double-stage plate need to be cleaned. In the prior art, the cleaning is mainly carried out manually, in the cleaning process, the graphite bipolar plate needs to be overturned so as to clean the two sides of the bipolar plate, but the graphite bipolar plate after compression molding is soft, so that the flow fields on the two sides of the bipolar plate are easily damaged in the cleaning and overturning processes of the two sides of the bipolar plate.
Disclosure of Invention
The embodiment of the invention provides an automatic cleaning machine for a graphite bipolar plate, which can greatly improve the cleaning efficiency and cleanliness of the graphite bipolar plate, reduce the damage of the graphite bipolar plate in the cleaning process and ensure the quality of the graphite bipolar plate.
The embodiment of the invention provides an automatic cleaning machine for a graphite bipolar plate, which comprises a first automatic wire body, a cleaning device, a basket loading device and a control system, wherein the first automatic wire body is connected with the cleaning device;
the first automatic wire body is connected with the inlet end of the cleaning device, and the first automatic wire body and the cleaning device are respectively and electrically connected with the control system; a first tooling plate is arranged on the first automatic wire body to place a compression-molded graphite bipolar plate; the cleaning device comprises an automatic feeding unit, a first cleaning unit, a workbench, an automatic discharging unit and a second cleaning unit;
the automatic feeding unit comprises a first support frame, a feeding horizontal servo mechanism and a feeding manipulator, wherein the feeding horizontal servo mechanism is arranged on the first support frame, and the feeding manipulator is connected with the feeding horizontal servo mechanism so as to transfer the graphite bipolar plate on the first tooling plate to the workbench;
the first cleaning unit comprises a first slide rail and a first hairbrush, the first slide rail is arranged on the side face of the workbench, the first hairbrush is arranged on the first slide rail, the brush head of the first hairbrush is positioned on the side edge above the workbench, and the first hairbrush moves along the first slide rail so as to enable the brush head of the first hairbrush to move back and forth above the workbench to clean the upper surface of the graphite bipolar plate on the workbench;
the automatic blanking unit comprises a second support frame, a blanking horizontal servo mechanism and a blanking manipulator, the blanking horizontal servo mechanism is arranged on the second support frame, and the blanking manipulator is connected with the blanking horizontal servo mechanism and moves horizontally under the action of the blanking horizontal servo mechanism so as to take out the graphite bipolar plate on the workbench;
the second cleaning unit comprises a second sliding rail and a second hairbrush, the second sliding rail is arranged on the side face of the workbench, the second hairbrush is arranged on the second sliding rail, the brush head of the second hairbrush is located on the side edge of the upper portion of the workbench, and the second hairbrush moves along the second sliding rail to enable the brush head of the second hairbrush to move back and forth above the workbench so as to clean the lower surface of the graphite bipolar plate taken out by the discharging manipulator.
Furthermore, the feeding mechanical arm, the discharging mechanical arm and the workbench are respectively provided with a first vacuum sucker, a second vacuum sucker and a working vacuum sucker.
Further, the automatic cleaning machine for the graphite bipolar plate further comprises a feeding conveying unit, wherein the feeding conveying unit is arranged between the first automatic line body and the cleaning device so as to convey the first tooling plate with the graphite bipolar plate placed to a specified feeding position at an inlet of the cleaning device.
Further, the feeding and conveying unit comprises a roller frame, an electric roller mechanism, a tooling plate positioning mechanism, a buffer cylinder and a first sensor; the electric roller mechanism, the tooling plate positioning mechanism and the buffer cylinder are all arranged on the roller frame, the first tooling plate moves along the electric roller mechanism and stops moving forwards after touching the buffer cylinder, and the tooling plate positioning mechanism fixes the first tooling plate at the position; the first sensor is arranged on the side face of the tooling plate positioning mechanism and used for detecting whether the first tooling plate is provided with the graphite bipolar plate or not.
Furthermore, the automatic graphite bipolar plate cleaner further comprises a blanking conveying unit, the blanking conveying unit is arranged at an outlet of the cleaning device to receive the cleaned graphite bipolar plate, the blanking conveying unit is electrically connected with the control system, the blanking conveying unit comprises a blanking conveying table and a blanking conveying slide rail, and the blanking conveying table is arranged on the blanking conveying slide rail.
Furthermore, the automatic graphite bipolar plate cleaning machine further comprises a basket loading device, the basket loading device is electrically connected with the control system, and the inlet end of the basket loading device is connected with the outlet end of the cleaning device so as to receive the graphite bipolar plate taken out by the feeding manipulator.
Furthermore, the basket loading device comprises a rotating mechanism, a taking and placing mechanism and a bearing table, wherein the rotating mechanism and the taking and placing mechanism are respectively electrically connected with the control system, the rotating mechanism, the taking and placing mechanism and the bearing table are sequentially and adjacently arranged, and a basket loading station is arranged on the bearing table to place a bipolar plate basket;
the rotary mechanism comprises a rotary support frame and a rotary table, the rotary table is erected on the rotary support frame and is connected with the blanking conveying slide rail so as to receive and rotate the graphite bipolar plate conveyed by the blanking conveying slide rail, and a clamping cylinder is arranged on the rotary table so as to clamp and position the graphite bipolar plate on the rotary table;
the taking and placing mechanism comprises a third support frame, a taking and placing horizontal servo mechanism and a taking and placing manipulator, the taking and placing horizontal servo mechanism is arranged on the third support frame, the taking and placing manipulator is connected with the taking and placing horizontal servo mechanism and moves horizontally under the action of the taking and placing horizontal servo mechanism so as to take out and place the graphite bipolar plate in the rotating mechanism into the bipolar plate basket on the bearing table.
Further, get and put the manipulator and include the lift slide rail, get and put electric claw and protection gas claw, the lift slide rail sets up get and put horizontal servo on, get the discharge claw setting on the lift slide rail, the slip grabs graphite bipolar plate on the revolving stage or will snatch graphite bipolar plate and place the bipolar plate basket from top to bottom, the protection gas claw sets up get the lower extreme of discharge claw, in order to right get the graphite bipolar plate that the discharge claw snatched and carry out spacing protection.
Furthermore, the basket loading device comprises a first sensor, a second sensor and a third sensor, wherein the first sensor is arranged above the side face of the bearing table to detect whether the front end of a graphite bipolar plate to be loaded into a basket enters a bipolar plate basket placed on the bearing table, the second sensor is arranged on the side face of the bearing table to detect whether the bipolar plate basket placed on the bearing table is filled with the graphite bipolar plate, and the third sensor is arranged on the end face of the bearing table to detect whether the bipolar plate basket is placed on a basket loading station of the bearing table.
Furthermore, the automatic cleaning machine for the graphite bipolar plate further comprises a second automatic line body, the second automatic line body is electrically connected with the control system, and the outlet end of the basket loading device is connected with the second automatic line body so as to receive an empty bipolar plate basket conveyed by the second automatic line body or convey the bipolar plate basket filled with the graphite bipolar plate to the next procedure.
Compared with the prior art, the automatic cleaning machine for the graphite bipolar plate provided by the embodiment of the invention has the advantages that the graphite bipolar plate after compression molding is conveyed through the first automatic wire body, the graphite bipolar plate is placed on the workbench through the automatic feeding unit, the upper surface of the graphite bipolar plate is cleaned by the first cleaning unit, the graphite bipolar plate with the cleaned upper surface is taken out of the workbench by the automatic discharging unit, and the lower surface of the graphite bipolar plate is cleaned by the second cleaning unit, so that the two sides of the graphite bipolar plate are cleaned, the cleaning efficiency and the cleaning degree are greatly improved, the graphite bipolar plate does not need to be turned over, the damage to the graphite bipolar plate in the cleaning process is avoided, and the quality of the graphite bipolar plate is ensured.
Drawings
Fig. 1 is a top view of an automatic cleaning machine for graphite bipolar plates according to an embodiment of the present invention.
Fig. 2 is a top view of the feeding and conveying unit, the cleaning device, the discharging and conveying unit and the basket loading device according to the embodiment of the invention.
Fig. 3 is a schematic structural diagram of a workbench according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of the pick-and-place manipulator according to the embodiment of the present invention.
Fig. 5 is a schematic structural diagram of the pick-and-place manipulator and the bipolar plate basket according to the embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Referring to fig. 1 to 3, a top view of an automatic cleaning machine for graphite bipolar plates according to an embodiment of the present invention, a top view of the feeding and conveying unit, the cleaning device, the discharging and conveying unit, and the basket loading device, and a schematic structural diagram of a worktable according to an embodiment of the present invention are respectively shown.
The automatic graphite bipolar plate cleaning machine comprises a first automatic line body 1, a feeding conveying unit 2, a cleaning device 3, a discharging conveying unit 4, a basket loading device 5, a second automatic line body 6 and a control system, wherein the first automatic line body 1, the feeding conveying unit 2, the cleaning device 3, the discharging conveying unit 4, the basket loading device 5 and the second automatic line body 6 are all electrically connected with the control system 7.
The feeding and conveying unit 2 is arranged between the first automatic line body 1 and the cleaning device 3 to convey the graphite bipolar plate A conveyed by the first automatic line body 1 to a feeding position at an inlet of the cleaning device 3, the feeding and conveying unit 2 is arranged between the cleaning device 3 and the basket loading device 5 to convey the graphite bipolar plate A cleaned by the cleaning device 3 to the basket loading device 5, and the second automatic line body 6 is arranged at an outlet of the basket loading device 5 to convey the graphite bipolar plate A at the basket loading device 5 to a next process or provide a basket for the basket loading device 5.
The first automatic wire body 1 is provided with a first tooling plate 11 for placing a graphite bipolar plate A after compression molding; under the action of a control system, the first robot wire body 1 conveys the first tooling plate 11 on which the graphite bipolar plate a is placed onto the feeding and conveying unit 2 or conveys the empty first tooling plate 11 out of the feeding and conveying unit 2.
The feeding and conveying unit 2 comprises a roller frame 21, an electric roller mechanism 22, a tooling plate positioning mechanism 23, a buffer cylinder (not shown in the figure) and a first sensor (not shown in the figure); the electric roller mechanism 22, the tooling plate positioning mechanism 23 and the buffer cylinder are all arranged on the roller frame 21, the first tooling plate 11 is conveyed to the electric roller mechanism 22 through the first automatic line body 1, the first tooling plate 11 moves along the electric roller mechanism 22, and when the first tooling plate 11 touches the buffer cylinder and stops moving forwards, the tooling plate positioning mechanism 23 positions the first tooling plate 11 at the position; the first sensor is disposed on a side of the tooling plate positioning mechanism 23 for detecting whether the first tooling plate 11 is placed with the graphite bipolar plate a.
The cleaning device 3 includes an automatic feeding unit 31, a first cleaning unit 32, a table 33, an automatic discharging unit 34, and a second cleaning unit 35. The first cleaning unit 32 and the second cleaning unit 35 are respectively disposed at both sides of the table 33.
The automatic feeding unit 31 includes a first support frame 311, a feeding level servo 312, and a feeding robot 313. The feeding horizontal servo mechanism 312 is disposed on the first support frame 311, and the feeding manipulator 313 is connected to the feeding horizontal servo mechanism 312 and horizontally moves left and right under the action of the feeding horizontal servo mechanism 312, so as to transfer the graphite bipolar plate a on the first tooling plate 11 of the feeding and conveying unit 2 conveyed to the inlet of the cleaning device 3 onto the worktable 23.
In this embodiment, the feeding manipulator 313 is provided with a first vacuum chuck (not shown), the workbench 33 is provided with a working vacuum chuck 331, and the first vacuum chuck and the working vacuum chuck 231 are both plural.
The working process of the automatic feeding unit 31 is as follows:
under the action of a control system, the feeding manipulator 313 moves horizontally along the feeding horizontal servo mechanism 312 to be positioned above the first tooling plate 11 on the motorized roller mechanism 22, then moves downwards slowly, when a first vacuum chuck arranged on the feeding manipulator 313 contacts a graphite bipolar plate a placed on the first tooling plate 11, a vacuum valve on the first vacuum chuck is opened, the first vacuum chuck sucks one graphite bipolar plate a placed on the first tooling plate 11 and moves upwards for a certain distance, and then the feeding manipulator 313 rotates horizontally in situ for 90 degrees to convert the original horizontal graphite bipolar plate a into a horizontal longitudinal direction; at this time, the feeding robot 313 gripping the graphite bipolar plate a moves horizontally along the feeding horizontal servo 312 to above the table 33 and slowly moves down; when the first vacuum chuck on the feeding manipulator 313 approaches the workbench 33, the vacuum valve of the first vacuum chuck is connected to the atmosphere to release vacuum, and simultaneously, the vacuum valve of the working vacuum chuck 331 on the workbench 33 is opened to adsorb the graphite bipolar plate a on the feeding manipulator 313 on the workbench, that is, the graphite bipolar plate a is transferred from the feeding manipulator to the workbench. Subsequently, the feeding robot 313 rotates horizontally by 90 ° again, and returns to the upper side of the motorized pulley mechanism 22 to prepare for the next feeding.
The first cleaning unit 32 includes a first slide rail 321 and a first brush 322, and the first brush 322 is an anti-static brush. The first sliding rail 321 is arranged on the side surface of the workbench 33, the first brush 322 is arranged on the first sliding rail 321, the brush head of the first brush 322 is arranged on the side edge above the workbench 33, and the first brush 322 moves along the first sliding rail 321, so that the brush head of the first brush 322 longitudinally moves back and forth above the workbench 33 to clean the upper surface of the graphite bipolar plate A fixed on the workbench 23.
The automatic blanking unit 34 includes a second supporting frame 341, a blanking horizontal servo mechanism 342, and a blanking manipulator 343, wherein the blanking horizontal servo mechanism 342 is disposed on the second supporting frame 341, and the blanking manipulator 343 is connected to the blanking horizontal servo mechanism 342 and moves horizontally under the action of the blanking horizontal servo mechanism 342 to take out the graphite bipolar plate a on the worktable 33.
In this embodiment, a plurality of second vacuum suction cups (not shown) are disposed on the feeding manipulator 343.
The working process of the automatic blanking unit 34 is as follows:
under the action of a control system, the blanking manipulator 343 translates along the blanking horizontal servo mechanism 342 to above the worktable 33 and slowly moves downwards, when the second vacuum chuck on the blanking manipulator 343 contacts the graphite bipolar plate a on the worktable 33, the vacuum valve of the working vacuum chuck 231 of the worktable 33 is connected to the atmosphere, the vacuum is released, and simultaneously the vacuum valve of the second vacuum chuck is opened, so that the graphite bipolar plate a on the worktable 33 is sucked and moves upwards for a certain distance, and the graphite bipolar plate a on the worktable 33 is taken out.
The second cleaning unit 35 includes a second slide rail 351 and a second brush 352, and the second brush 352 is an anti-static brush. The second slide rail 351 is disposed at the other side of the worktable 33 opposite to the first slide rail 331, the second brush 352 is disposed on the second slide rail 351, a brush head of the second brush 352 is disposed at a side above the worktable 33, and the second brush 352 moves along the second slide rail 351, so that the brush head of the second brush 351 longitudinally moves back and forth above the worktable 33, and the lower surface of the graphite bipolar plate a taken out by the feeding manipulator 343 is cleaned.
The blanking conveying unit 4 comprises a blanking conveying platform 41 and a blanking conveying slide rail 42, and the blanking conveying platform 41 is arranged on the blanking conveying slide rail 42. The blanking conveying table 41 is used for receiving the cleaned graphite bipolar plate a, and specifically, after the lower surface of the graphite bipolar plate a is cleaned, the blanking manipulator 343 horizontally and transversely moves along the blanking servo mechanism 342 to a position right above the blanking conveying table 41 of the blanking conveying unit 4, and slowly moves downwards; when the graphite bipolar plate A contacts the blanking conveying table 41, the vacuum valve of the second vacuum chuck is connected to the atmosphere, and the vacuum is released, so that the graphite bipolar plate A grasped by the blanking manipulator is placed on the blanking conveying table 41; subsequently, the blanking conveying table 41 conveys the cleaned graphite bipolar plate a to the basket device 5 along the blanking conveying slide rail 42.
The basket loading device 5 comprises a rotating mechanism 51, a taking and placing mechanism 52 and a bearing table 53, wherein the rotating mechanism 51, the taking and placing mechanism 52 and the bearing table 53 are sequentially and adjacently arranged, and a basket loading station is arranged on the bearing table 53 to place a bipolar plate basket B.
The rotating mechanism 51 comprises a rotating support frame 511 and a rotating table 512, the rotating table 512 is erected on the rotating support frame 511 and is connected with the blanking conveying slide rail 42 to receive and rotate the graphite bipolar plate a conveyed by the blanking conveying slide rail 42, and a clamping cylinder 5121 is arranged on the rotating table 512 to clamp and position the graphite bipolar plate a on the rotating table 512.
The operation of the rotating mechanism 51 is as follows:
the rotating table 512 of the rotating mechanism 51 is parallel to the horizontal plane, and after receiving the graphite bipolar plate a, one side of the rotating table 512 close to the susceptor 53 is tilted downward and rotated by a certain angle, so that one side of the graphite bipolar plate a is in contact with one end of the rotating table 512 close to the susceptor 53, wherein the certain angle is 30 degrees; at this time, the clamping cylinder 5121 clamps and fixes the graphite bipolar plate a on the rotary table 512; then, the rotary table 512 is tilted again until the rotary table 512 is perpendicular to the horizontal plane, and the graphite bipolar plate a in the rotary table 512 is perpendicular to the horizontal plane.
It should be noted that the certain angle in the embodiment of the present invention may be any angle smaller than 90 °, and is not limited to 30 °.
The pick-and-place mechanism 52 comprises a third support frame 521, a pick-and-place horizontal servo mechanism 522 and a pick-and-place manipulator 523, wherein the pick-and-place horizontal servo mechanism 522 is arranged on the third support frame 521, and the pick-and-place manipulator 523 is connected with the pick-and-place horizontal servo mechanism 522 and moves horizontally under the action of the pick-and-place horizontal servo mechanism 522 so as to take out the graphite bipolar plate a in the rotating platform 512 and place the graphite bipolar plate a in the bipolar plate basket B.
Referring to fig. 4 and 5, a schematic structural diagram of the pick-and-place manipulator and the bipolar plate basket according to the embodiment of the present invention are shown, respectively.
The pick-and-place manipulator 523 comprises a lifting slide rail 5231, a pick-and-place electric claw 5232 and a protective gas claw 5233. The lifting slide rail 5231 is arranged on the pick-and-place horizontal servo mechanism 522, the pick-and-place claw 5232 is arranged on the lifting slide rail 5231, and the graphite bipolar plate A vertical to the horizontal plane on the upper and lower slide grabbing rotary table 512 or the grabbed graphite bipolar plate A is placed in the bipolar plate basket B. The shielding gas claw 5233 is composed of a first clamping block, a second clamping block, and a pressure-proof layer C disposed on both surfaces of the first clamping block and the second clamping block opposite to each other. The first clamping block and the second clamping block are respectively arranged on two sides of the lower end of the discharge claw 5232, so that the graphite bipolar plate A grabbed by the discharge claw 5232 is limited and protected.
The basket device 5 further comprises a second sensor 54, a third sensor 55 and a fourth sensor 56, wherein the second sensor 54, the third sensor 55 and the fourth sensor 56 are respectively electrically connected with the control system. The second sensor 54 is disposed above the side of the carrier table 53 to detect whether the front end of the graphite bipolar plate a to be basket enters the bipolar plate basket B. The third sensor 55 is disposed at a side of the carrier table 53 to detect whether the bipolar plate basket B is filled with the graphite bipolar plate a. The fourth sensor 56 is disposed on the end face of the carrier 3 to detect whether a bipolar plate basket B is placed on the basket-loading station of the carrier 3.
The pick and place mechanism 52 works as follows:
under the action of the control system, the pick-and-place manipulator 523 translates along the pick-and-place horizontal servo mechanism 522 to a position right above the rotating table 512 perpendicular to the horizontal plane, the pick-and-place claw 5232 moves down along the lifting slide rail 5231, while the pick-and-place claw 5232 moves down, the first clamping block and the second clamping block of the shielding gas claw 5233 arranged on two sides of the lower end of the pick-and-place claw 5232 are gradually unfolded, and when the pick-and-place claw 5232 reaches the graphite bipolar plate a on the rotating table 512 of the rotating mechanism 51, the first clamping block and the second clamping block of the shielding gas claw 5233 are in an unfolded state of 180 degrees; at this time, the discharge claws 5232 slowly clamp the graphite bipolar plate a while the clamping cylinder 5121 in the rotary table 512 is released. Then, the electric taking and placing claws 5232 for grabbing the graphite bipolar plate a move upwards along the lifting slide rails 5231, and the first clamping block and the second clamping block are gradually folded while the electric taking and placing claws 5232 move upwards so as to limit and protect the grabbed graphite bipolar plate a and prevent the grabbed graphite bipolar plate a from swinging left and right. Then, the pick-and-place manipulator 523 for picking up the graphite bipolar plate a translates along the pick-and-place horizontal servo mechanism 522 to the upper side of the bipolar plate basket B, the pick-and-place claw 5232 moves down along the lifting slide rail 5231 to move the graphite bipolar plate a down into the bipolar plate basket B, and simultaneously, the first clamping block and the second clamping block of the shielding gas claw 5233 gradually expand to 180 ° towards both sides.
When the second sensor 54 detects that one end of the graphitic bipolar plate a has entered the bipolar plate basket B, it sends a signal to the control system, which controls the discharge fingers 5232 to move down continuously until the graphitic bipolar plate a is completely loaded into the bipolar plate basket B; if the second sensor 54 does not detect the entry of a graphite bipolar plate a into a bipolar plate basket B, the pick-and-place fingers 5232 are controlled to pause the down-loading basket. When the third sensor 55 detects that the bipolar plate basket B has been filled with graphite bipolar plates a, a signal is sent to the control system to control the pick and place robot 523 to stop loading the basket. When the fourth sensor 56 detects that no bipolar plate basket B is placed on the basket placing station of the bearing table 53, a signal is sent to the control system to control the taking and placing manipulator 523 to stop placing the basket, and after the fourth sensor 56 detects that the bipolar plate basket B is placed on the basket placing station of the bearing table 53, the taking and placing manipulator 523 is started again to carry out basket placing work of the graphite bipolar plate a.
The second automatic wire body 6 is arranged at the outlet end of the basket device 5. The second robot wire body 6 is provided with a second tooling plate 61, and the second tooling plate 61 is used for placing a bipolar plate basket B filled with a graphite bipolar plate A or an empty bipolar plate basket B. . When the third sensor 55 detects that the bipolar plate basket 53 in the basket apparatus 5 is filled with graphite bipolar plates a, the second robot wire body 6 transports the bipolar plate basket filled with graphite bipolar plates a to the next process, and then transports the empty bipolar plate basket 53 to the designated basket position of the basket apparatus 5. When the fourth sensor 56 detects that the empty bipolar plate basket B reaches the basket loading station, a signal is sent to the control system, and the control system controls the pick-and-place manipulator 523 to continue to work, and the operations are repeated in sequence, so that the automatic cleaning and basket loading of the graphite bipolar plate are realized, and the production efficiency of the graphite bipolar plate is improved.
The first automatic line body 1, the feeding conveying unit 2, the cleaning device 3, the discharging conveying unit 4, the basket loading device 5 and the second automatic line body 6 are controlled by a control system, and the control system is controlled by computer programming to realize automatic cleaning and basket loading of the graphite bipolar plate.
According to the automatic cleaning machine for the graphite bipolar plate, provided by the embodiment of the invention, the graphite bipolar plate after compression molding is conveyed through the first automatic wire body, the graphite bipolar plate is placed on the workbench through the automatic feeding unit, the upper surface of the graphite bipolar plate is cleaned by the first cleaning unit, the graphite bipolar plate with the cleaned upper surface is taken out of the workbench by the automatic discharging unit, and the lower surface of the graphite bipolar plate is cleaned by the second cleaning unit, so that the two sides of the graphite bipolar plate are cleaned, the cleaning efficiency and the cleaning degree are greatly improved, the graphite bipolar plate does not need to be turned over, the artificial damage risk of an oxidant, a reducing agent and a cooling liquid inlet caused by turning over of the graphite bipolar plate is reduced, and the quality of the graphite bipolar plate is ensured; in addition, the cleaned graphite bipolar plates are automatically loaded by the loading device, so that the taking and placing height and the loading position of each graphite bipolar plate are controllable, the risk of falling and damage of the bottom of the graphite bipolar plate caused by overhigh loosening height and the scratch and damage of the two sides of the graphite bipolar plate caused by the fact that the two sides of the graphite bipolar plate touch the limiting steel wires of the bipolar plate basket due to inaccurate position are prevented, and the quality of the graphite bipolar plate is greatly improved; the automatic cleaning machine for the graphite bipolar plate can greatly improve the production efficiency of a graphite bipolar plate production line and reduce the production cost.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (8)
1. An automatic cleaning machine for graphite bipolar plates is characterized by comprising a first automatic wire body, a cleaning device, a basket loading device and a control system;
the first automatic line body is connected with the inlet end of the cleaning device, and the first automatic line body, the cleaning device and the basket loading device are respectively and electrically connected with the control system; a first tooling plate is arranged on the first automatic wire body to place a compression-molded graphite bipolar plate; the cleaning device comprises an automatic feeding unit, a first cleaning unit, a workbench, an automatic discharging unit and a second cleaning unit; the inlet end of the basket loading device is connected with the outlet end of the cleaning device, and the basket loading device comprises a bearing table;
the automatic feeding unit comprises a first support frame, a feeding horizontal servo mechanism and a feeding manipulator, wherein the feeding horizontal servo mechanism is arranged on the first support frame, and the feeding manipulator is connected with the feeding horizontal servo mechanism so as to transfer the graphite bipolar plate on the first tooling plate to the workbench;
the first cleaning unit comprises a first slide rail and a first hairbrush, the first slide rail is arranged on the side face of the workbench, the first hairbrush is arranged on the first slide rail, the brush head of the first hairbrush is positioned on the side edge above the workbench, and the first hairbrush moves along the first slide rail so as to enable the brush head of the first hairbrush to move back and forth above the workbench to clean the upper surface of the graphite bipolar plate on the workbench;
the automatic blanking unit comprises a second support frame, a blanking horizontal servo mechanism and a blanking manipulator, the blanking horizontal servo mechanism is arranged on the second support frame, and the blanking manipulator is connected with the blanking horizontal servo mechanism and moves horizontally under the action of the blanking horizontal servo mechanism so as to take out the graphite bipolar plate on the workbench;
the second cleaning unit comprises a second slide rail and a second hairbrush, the second slide rail is arranged on the side face of the workbench, the second hairbrush is arranged on the second slide rail, the brush head of the second hairbrush is positioned on the side edge above the workbench, and the second hairbrush moves along the second slide rail, so that the brush head of the second hairbrush moves back and forth above the workbench to clean the lower surface of the graphite bipolar plate taken out by the feeding manipulator;
the loading platform is provided with a bipolar plate basket which is used for receiving the graphite bipolar plate taken out by the feeding manipulator;
the basket loading device comprises a first sensor, a second sensor and a third sensor, wherein the first sensor is arranged above the side face of the bearing table to detect whether the front end of a graphite bipolar plate to be loaded into a basket enters a bipolar plate basket placed on the bearing table, the second sensor is arranged on the side face of the bearing table to detect whether the bipolar plate basket placed on the bearing table is filled with the graphite bipolar plate, and the third sensor is arranged on the end face of the bearing table to detect whether the bipolar plate basket is placed on a basket loading station of the bearing table;
the basket loading device further comprises a taking and placing mechanism, the taking and placing mechanism comprises a taking and placing mechanical arm, the taking and placing mechanical arm comprises a protective gas claw, and the protective gas claw is composed of a first clamping block, a second clamping block and a pressure-proof layer arranged on the surface opposite to the first clamping block and the second clamping block.
2. The automatic cleaner of graphite bipolar plates as claimed in claim 1, wherein: the feeding manipulator, the discharging manipulator and the workbench are respectively provided with a first vacuum sucker, a second vacuum sucker and a working vacuum sucker.
3. The automatic cleaner of graphite bipolar plates as claimed in claim 1, wherein: the automatic cleaning machine for the graphite bipolar plate further comprises a feeding conveying unit, wherein the feeding conveying unit is arranged between the first automatic line body and the cleaning device so as to convey the first tooling plate with the graphite bipolar plate placed to a specified feeding position at an inlet of the cleaning device.
4. The automatic cleaner of graphite bipolar plates as claimed in claim 3, wherein: the feeding and conveying unit comprises a roller frame, an electric roller mechanism, a tooling plate positioning mechanism, a buffer cylinder and a fifth sensor; the electric roller mechanism, the tooling plate positioning mechanism and the buffer cylinder are all arranged on the roller frame, the first tooling plate moves along the electric roller mechanism and stops moving forwards after touching the buffer cylinder, and the tooling plate positioning mechanism fixes the first tooling plate at the position; the fifth sensor is arranged on the side surface of the tooling plate positioning mechanism and used for detecting whether the first tooling plate is provided with the graphite bipolar plate or not.
5. The automatic cleaner of graphite bipolar plates as claimed in claim 1, wherein: the automatic graphite bipolar plate cleaner further comprises a discharging conveying unit, wherein the discharging conveying unit is arranged at an outlet of the cleaning device to receive the cleaned graphite bipolar plate, the discharging conveying unit is electrically connected with the control system, the discharging conveying unit comprises a discharging conveying table and a discharging conveying slide rail, and the discharging conveying table is arranged on the discharging conveying slide rail.
6. The automatic cleaner of graphite bipolar plates as claimed in claim 5, wherein: the basket loading device also comprises a rotating mechanism, the rotating mechanism and the taking and placing mechanism are respectively electrically connected with the control system, the rotating mechanism, the taking and placing mechanism and the bearing platform are sequentially and adjacently arranged, and a basket loading station is arranged on the bearing platform to place a bipolar plate basket;
the rotary mechanism comprises a rotary support frame and a rotary table, the rotary table is erected on the rotary support frame and is connected with the blanking conveying slide rail so as to receive and rotate the graphite bipolar plate conveyed by the blanking conveying slide rail, and a clamping cylinder is arranged on the rotary table so as to clamp and position the graphite bipolar plate on the rotary table;
the taking and placing mechanism comprises a third support frame, a taking and placing horizontal servo mechanism and a taking and placing manipulator, the taking and placing horizontal servo mechanism is arranged on the third support frame, the taking and placing manipulator is connected with the taking and placing horizontal servo mechanism and moves horizontally under the action of the taking and placing horizontal servo mechanism so as to take out and place the graphite bipolar plate in the rotating mechanism into the bipolar plate basket on the bearing table.
7. The automatic cleaner of claim 6, wherein: get and put the manipulator and still include the lift slide rail, get and put electric claw, the lift slide rail sets up get and put on the horizontal servo mechanism, get the discharge claw setting on the lift slide rail, slip to snatch graphite bipolar plate on the revolving stage or place the bipolar plate basket with the graphite bipolar plate who snatchs from top to bottom in, the protection gas claw sets up get the lower extreme of discharge claw, in order to right get the graphite bipolar plate that the discharge claw snatched and carry out spacing protection.
8. The automatic cleaner of graphite bipolar plates as claimed in claim 5, wherein: the automatic graphite bipolar plate cleaning machine further comprises a second automatic line body, the second automatic line body is electrically connected with the control system, and the outlet end of the basket loading device is connected with the second automatic line body so as to receive an empty bipolar plate basket conveyed by the second automatic line body or convey the bipolar plate basket filled with graphite bipolar plates to the next procedure.
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| CN201810169874.8A CN108325881B (en) | 2018-02-28 | 2018-02-28 | Automatic cleaner for graphite bipolar plate |
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| CN201810169874.8A CN108325881B (en) | 2018-02-28 | 2018-02-28 | Automatic cleaner for graphite bipolar plate |
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| CN108325881B true CN108325881B (en) | 2020-11-17 |
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| CN109301292A (en) * | 2018-10-31 | 2019-02-01 | 长兴欧森科技有限公司 | A kind of fuel cell automatically cleans dress basket machine with flexible graphite polar plate |
| CN109216713A (en) * | 2018-10-31 | 2019-01-15 | 长兴欧森科技有限公司 | A kind of fuel cell flexible graphite bi-polar plate volume production production system and its production method |
| CN110589487A (en) * | 2019-09-30 | 2019-12-20 | 深圳市集银科技有限公司 | LCD self-cleaning and go up unloader |
| CN113369238B (en) * | 2020-02-25 | 2022-09-16 | 上海神力科技有限公司 | Method and device for cleaning graphite bipolar plate |
| CN111250477A (en) * | 2020-03-19 | 2020-06-09 | 浙江中合天空科技股份有限公司 | Fuel cell bipolar plate ion scavenging machine and cleaning method |
| CN112170425A (en) * | 2020-10-25 | 2021-01-05 | 兰国振 | New material plate cleaning device |
| CN112403956B (en) * | 2020-10-30 | 2021-10-12 | 常州嘉业智能装备科技有限公司 | Polar plate lead plaster cleaning device |
| CN113857113A (en) * | 2021-09-27 | 2021-12-31 | 深圳市芯源方科技有限公司 | Cleaning device for single-double-sided circuit board |
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