CN216500273U - Surface coating spraying device for metal bipolar plate - Google Patents
Surface coating spraying device for metal bipolar plate Download PDFInfo
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- CN216500273U CN216500273U CN202123179539.2U CN202123179539U CN216500273U CN 216500273 U CN216500273 U CN 216500273U CN 202123179539 U CN202123179539 U CN 202123179539U CN 216500273 U CN216500273 U CN 216500273U
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Abstract
The utility model discloses a surface coating spraying device for a metal bipolar plate, which comprises a plate inlet bin and a spraying bin, wherein the plate inlet bin is communicated with the spraying bin, the front side of the plate inlet bin is provided with an opening, a closable cabin door is arranged at the communication part of the plate inlet bin and the spraying bin, a pressing plate cylinder is fixedly arranged above the plate inlet bin, the output end of the pressing plate cylinder penetrates through the upper wall of the plate inlet bin, a pressing plate is arranged inside the plate inlet bin, the upper part inside the spraying bin is connected with an ultrasonic nozzle through an xy-axis moving platform, two sides below the inside of the spraying bin are provided with supports, the inside of each support is connected with a plate inlet platform in a sliding manner, one side of the bottom of each plate inlet platform is provided with a pushing plate, one side outside the spraying bin is fixedly provided with a pushing cylinder, the output end of each pushing cylinder penetrates through the inner wall of the spraying bin and is fixedly connected with the pushing plate, a mounting groove is arranged inside the plate inlet platform, and a mounting seat is arranged in the mounting groove through a ball screw assembly. The utility model has the advantages of simple integral structure, convenient use and higher working efficiency.
Description
Technical Field
The utility model relates to the technical field of bipolar plate surface spraying equipment, in particular to a surface coating spraying device for a metal bipolar plate.
Background
Bipolar plates are an important component of PEMFC stacks, accounting for approximately 70% of the mass and 30% of the price of the whole. It can be classified into a graphite bipolar plate, a metal bipolar plate and a composite bipolar plate according to the material of the bipolar plate. The graphite and the composite material thereof have the advantages of large brittleness, high air permeability and high cost, and compared with the metal bipolar plate, the metal bipolar plate has higher strength, better formability, impact resistance and lower air permeability.
The metal bipolar plate is widely applied to high-power galvanic piles because the forming performance of the metal bipolar plate is superior to that of other materials in an ultrathin state, and the graphite bipolar plate and the composite bipolar plate are generally used in medium-power galvanic piles and low-power galvanic piles.
Common metallic bipolar plate materials include stainless steel, aluminum alloys, titanium alloys, foamed metals, and the like. Among many metallic materials, stainless steel is widely used due to its good mechanical properties and low cost. Although the proportion of the elements may vary from stainless steel to stainless steel, the types of the elements are substantially the same, and mainly include metallic elements such as Fe, Ni, Mn, Cr, Cu, Mo, and the like, and non-metallic elements such as C, N, P, S, Si and the like.
The conductivity and durability of metallic bipolar plates are affected by surface topography and structure, and in harsh operating environments, surface corrosion and passivation of metallic bipolar plates can occur. Since the passivation film can protect the metal under the film from further corrosion, many of the early PEMFCs used stainless steel, Al, Ti, Ni, and other materials that easily form a passivation film as the bipolar plate.
However, the passivation film changes the surface topography of the bipolar plate and the diffusion layer, resulting in an increase in interfacial contact resistance, which lowers output power, and ICR increases with an increase in the thickness of the passivation film, so current research is mainly focused on the coating of the metallic bipolar plate according to the elemental composition of the coating.
The coating can be classified into a metal coating, a non-metal coating, and a composite coating. The metal coating comprises a metal nitride coating, a metal carbide coating, a metal oxide coating and other metal coatings, and the surface coating spraying device of the existing metal bipolar plate has low working efficiency and troublesome feeding placement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a surface coating spraying device for a metal bipolar plate.
The technical purpose of the utility model is realized by the following technical scheme:
a surface coating spraying device for a metal bipolar plate is characterized by comprising a plate feeding bin and a spraying bin, wherein the plate feeding bin is communicated with the spraying bin, an opening is formed in the front side of the plate feeding bin, a closable cabin door is arranged at the communication position of the plate feeding bin and the spraying bin, a pressing plate cylinder is fixedly mounted above the plate feeding bin, the output end of the pressing plate cylinder penetrates through the upper wall of the plate feeding bin, a pressing plate is mounted inside the plate feeding bin, an ultrasonic nozzle is connected to the upper portion inside the spraying bin through an xy-axis moving platform and is connected with an ultrasonic power supply and a liquid pump, the ultrasonic power supply and the liquid pump are both mounted above the outer portion of the spraying bin, supports are mounted on two sides below the inner portion of the spraying bin, a plate feeding platform is slidably connected inside the supports, a pushing plate is mounted on one side of the bottom of the plate feeding platform, and a pushing cylinder is fixedly mounted on one side of the outer portion of the spraying bin, the push cylinder output runs through spraying storehouse inner wall and with slurcam fixed connection, it is provided with the mounting groove to advance the inside mounting groove that is provided with of flat platform, install the mount pad through the ball subassembly in the mounting groove.
Preferably, be provided with the buffer assembly between clamp plate cylinder output and the clamp plate, the buffer assembly includes dashpot, cushion post and buffer spring, dashpot bottom and clamp plate cylinder output fixed connection, cushion post one end is installed in the dashpot, affiliated cushion post other end and clamp plate fixed connection, the buffer spring both ends respectively with dashpot and cushion post outer end fixed connection.
Preferably, still be provided with spacing subassembly between advance board storehouse inner wall top and the clamp plate, spacing subassembly includes spacing groove and spacing post, spacing groove opening is downward and the top with advance board storehouse inner wall fixed connection, spacing toe portion and clamp plate fixed connection, the spacing groove slides with spacing post matching.
Preferably, the inside lift groove that is provided with of spraying storehouse bulkhead, lifting gear is installed to lift inslot both sides, lifting gear and lift groove are provided with the tooth's socket of mutual matching motion, through pivot fixed connection between the lifting gear, the pivot passes through motor drive and connects, can seal the hatch door and set up in the lift inslot, the pivot runs through can seal hatch door top and with can seal the hatch door top and rotate and be connected.
Preferably, the ball screw subassembly includes screw rod, spiral shell piece and moving motor, bearing frame and mounting groove fixed connection are passed through at the screw rod both ends, screw rod one end passes through the vertical transmission meshing of conical gear with the moving motor output, the spiral shell piece is installed on the screw rod, spiral shell piece and mount pad fixed connection, moving motor passes through the motor cabinet and advances board platform fixed connection.
Preferably, a plurality of elastic vacuum suction nozzles are installed around the upper portion of the installation seat, the elastic vacuum suction nozzles are connected with a vacuum generator through connecting pipes, and the vacuum generator is installed inside the installation seat.
Preferably, the bottom of the pushing plate is provided with an inverted T-shaped bulge, and the bottom of the inner wall of the spraying bin is provided with a sliding groove matched with the inverted T-shaped bulge.
Preferably, the contact position of the inside of the support and the side surface of the plate feeding platform is provided with a pulley, the pulley is horizontally arranged and is installed inside the support through a rotating shaft, and the pulley wheel surface protrudes out of the inner side of the support and is attached to and slides on the plate feeding platform.
In conclusion, the utility model has the following beneficial effects: the plate feeding bin and the spraying bin are separated through the closable bin door, the influence of the spraying process on the outside can be avoided, meanwhile, the plate feeding platform can achieve plate feeding and discharging between the plate feeding bin and the spraying bin through the pushing cylinder and the ball screw assembly, the bipolar plate is pre-pressed on the mounting seat through the pressing plate cylinder, the bipolar plate is firmly sucked through the elastic vacuum suction nozzle, the deviation in the spraying process is avoided, the device is simple in integral structure, convenient to use and higher in working efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the ball screw assembly of the present invention;
fig. 3 is a side view schematically showing the structure of the ball screw assembly according to the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings, and the present embodiment is not to be construed as limiting the utility model.
As shown in fig. 1 to 3, a surface coating spraying device for a metal bipolar plate comprises a plate feeding chamber 1 and a spraying chamber 2, the plate feeding chamber 1 is communicated with the spraying chamber 2, an opening is arranged at the front side of the plate feeding chamber 1, a sealable chamber door 3 is arranged at the communication position of the plate feeding chamber 1 and the spraying chamber 2, a pressure plate cylinder 4 is fixedly arranged above the plate feeding chamber 1, the output end of the pressure plate cylinder 4 penetrates through the upper wall of the plate feeding chamber 1 and is internally provided with a pressure plate 5 inside the plate feeding chamber 1, a buffer assembly is arranged between the output end of the pressure plate cylinder 4 and the pressure plate 5, the buffer assembly comprises a buffer slot 15, a buffer column 16 and a buffer spring 17, the bottom of the buffer slot 15 is fixedly connected with the output end of the pressure plate cylinder 4, one end of the buffer column 16 is arranged in the buffer slot 15, the other end of the buffer column 16 is fixedly connected with the pressure plate 5, and the two ends of the buffer spring 17 are respectively fixedly connected with the buffer slot 15 and the outer end of the buffer column 16, the buffering assembly flattens and fixes the metal bipolar plate to the mounting seat 27 through the pressing plate cylinder, plays a role in buffering prepressing, and avoids the pressing plate 5 from leaving an impression on the metal bipolar plate.
The inside top in spraying storehouse 2 is connected with ultrasonic nozzle 7 through xy axle moving platform 6, ultrasonic nozzle 7 is connected with ultrasonic power supply 8 and liquid pump 9, ultrasonic power supply 8 and liquid pump 9 are all installed in 2 outside tops in spraying storehouse, xy axle moving platform 6 then adopts the four-way translation device that can purchase among the prior art, can realize the x axle of ultrasonic nozzle 7 in the plane and the four-way translation of y axle, drive ultrasonic nozzle 7 through ultrasonic power supply 8 and liquid pump 9 and realize the ultrasonic atomization spraying of coating, the spraying effect is better.
Spraying 2 outside one side fixed mounting in storehouse has push cylinder 13, push cylinder 13 output run through spraying 2 inner walls in storehouse and with slurcam 12 fixed connection, advance the inside mounting groove 14 that is provided with of board platform 11, install mount pad 27 through the ball screw subassembly in the mounting groove 14.
Advance and still be provided with spacing subassembly between 1 inner wall top in board storehouse and the clamp plate 5, spacing subassembly includes spacing groove 18 and spacing post 19, and 18 openings of spacing groove are downward and the top with advance 1 inner wall fixed connection in board storehouse, and 19 bottoms of spacing post and clamp plate 5 fixed connection, and spacing groove 18 and 19 matching of spacing post slide, and spacing subassembly guarantees that the lift of clamp plate 5 is more smooth-going.
Inside lifting groove 20 that is provided with of 2 bulkhead in spraying storehouse, lifting gear 21 is installed to both sides in lifting groove 20, lifting gear 21 and lifting groove 20 are provided with the tooth's socket of mutual assorted motion, through pivot 22 fixed connection between the lifting gear 21, pivot 22 passes through motor drive and connects, can seal hatch door 3 and set up in lifting groove 20, pivot 22 runs through can seal hatch door 3 top and rotate with can seal hatch door 3 top and be connected, can seal the lift of hatch door 3 through control and realize spraying storehouse 2 and advance the closure and the opening in board storehouse 1, can avoid the influence of spraying process to the outside.
The ball screw component comprises a screw rod 23, a screw block 24 and a moving motor 25, two ends of the screw rod 23 are fixedly connected with the mounting groove 14 through bearing seats, one end of the screw rod 23 is vertically meshed with the output end of the moving motor 25 through a bevel gear 26, the screw block 24 is installed on the screw rod 23, the screw block 24 is fixedly connected with a mounting seat 27, the moving motor 25 is fixedly connected with the plate feeding platform 11 through a motor seat 32, the ball screw component can realize the left-right translation of the mounting seat 27 on the plate feeding platform 11, and then the ball screw component and the pushing cylinder 13 realize the flexible translation of the mounting seat 27 between the plate feeding cabin 1 and the spraying cabin 2.
Install several elasticity vacuum suction nozzle 28 around the mount pad 27 top, several elasticity vacuum suction nozzle 28 is connected with vacuum generator 29 through the connecting pipe, and vacuum generator 29 is installed inside mount pad 27, connects elasticity vacuum suction nozzle 28 through vacuum generator 29 and can firmly adsorb the metal bipolar plate after the pre-compaction, avoids the spraying in-process to take place the skew.
The pulley 31 is arranged at the contact position of the inside of the support 10 and the side surface of the plate feeding platform 11, the pulley 31 is horizontally arranged, the pulley 31 is installed inside the support 10 through the rotating shaft 22, and the wheel surface of the pulley 31 protrudes out of the inside of the support 10 and is attached to and slides on the plate feeding platform 11.
The plate feeding bin and the spraying bin are separated through the closable bin door, the influence of the spraying process on the outside can be avoided, meanwhile, the plate feeding platform can achieve plate feeding and discharging between the plate feeding bin and the spraying bin through the pushing cylinder and the ball screw assembly, the bipolar plate is pre-pressed on the mounting seat through the pressing plate cylinder, the bipolar plate is firmly sucked through the elastic vacuum suction nozzle, the deviation in the spraying process is avoided, the device is simple in integral structure, convenient to use and higher in working efficiency.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the utility model.
Claims (8)
1. A surface coating spraying device for a metal bipolar plate is characterized by comprising a plate feeding bin and a spraying bin, wherein the plate feeding bin is communicated with the spraying bin, an opening is formed in the front side of the plate feeding bin, a closable cabin door is arranged at the communication position of the plate feeding bin and the spraying bin, a pressing plate cylinder is fixedly mounted above the plate feeding bin, the output end of the pressing plate cylinder penetrates through the upper wall of the plate feeding bin, a pressing plate is mounted inside the plate feeding bin, an ultrasonic nozzle is connected to the upper portion inside the spraying bin through an xy-axis moving platform and is connected with an ultrasonic power supply and a liquid pump, the ultrasonic power supply and the liquid pump are both mounted above the outer portion of the spraying bin, supports are mounted on two sides below the inner portion of the spraying bin, a plate feeding platform is slidably connected inside the supports, a pushing plate is mounted on one side of the bottom of the plate feeding platform, and a pushing cylinder is fixedly mounted on one side of the outer portion of the spraying bin, the push cylinder output runs through spraying storehouse inner wall and with slurcam fixed connection, it is provided with the mounting groove to advance the inside mounting groove that is provided with of flat platform, install the mount pad through the ball subassembly in the mounting groove.
2. The surface coating spray-coating device for a metallic bipolar plate as set forth in claim 1, wherein: be provided with buffer assembly between clamp plate cylinder output and the clamp plate, buffer assembly includes dashpot, cushion post and buffer spring, dashpot bottom and clamp plate cylinder output fixed connection, cushion post one end is installed in the dashpot, affiliated cushion post other end and clamp plate fixed connection, the buffer spring both ends respectively with dashpot and cushion post outer end fixed connection.
3. The surface coating spray-coating device for a metallic bipolar plate as set forth in claim 1, wherein: go into still to be provided with spacing subassembly between board storehouse inner wall top and the clamp plate, spacing subassembly includes spacing groove and spacing post, spacing groove opening down and top and advance board storehouse inner wall fixed connection, spacing bottom of the post and clamp plate fixed connection, the spacing groove slides with spacing post matching.
4. The surface coating spray-coating device for a metallic bipolar plate as set forth in claim 1, wherein: the inside lift groove that is provided with of spraying storehouse bulkhead, lifting gear is installed to lift inslot both sides, lifting gear is provided with the tooth's socket that matches the motion each other with the lift groove, through pivot fixed connection between the lifting gear, the pivot is passed through motor drive and is connected, can seal the hatch door and set up in the lift inslot, the pivot runs through can seal hatch door top and rotate with can seal hatch door top and be connected.
5. The surface coating spray-coating device for a metallic bipolar plate as set forth in claim 1, wherein: the ball screw subassembly includes screw rod, spiral shell piece and moving motor, bearing frame and mounting groove fixed connection are passed through at the screw rod both ends, screw rod one end passes through the vertical transmission meshing of conical gear with the moving motor output, the spiral shell piece is installed on the screw rod, spiral shell piece and mount pad fixed connection, moving motor passes through the motor cabinet and advances board platform fixed connection.
6. The surface coating spray-coating device for a metallic bipolar plate as set forth in claim 1, wherein: a plurality of elastic vacuum suction nozzles are installed on the periphery above the mounting seat and connected with a vacuum generator through a connecting pipe, and the vacuum generator is installed inside the mounting seat.
7. The surface coating spray-coating device for a metallic bipolar plate as set forth in claim 1, wherein: the bottom of the pushing plate is provided with an inverted T-shaped bulge, and the bottom of the inner wall of the spraying bin is provided with a sliding groove matched with the inverted T-shaped bulge.
8. The surface coating spray-coating device for a metallic bipolar plate as set forth in claim 1, wherein: the pulley is arranged at the contact position of the inner part of the support and the side surface of the plate feeding platform, the pulley is horizontally arranged and is installed inside the support through a rotating shaft, and the pulley wheel surface protrudes out of the inner side of the support and is attached to and slides with the plate feeding platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123179539.2U CN216500273U (en) | 2021-12-17 | 2021-12-17 | Surface coating spraying device for metal bipolar plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123179539.2U CN216500273U (en) | 2021-12-17 | 2021-12-17 | Surface coating spraying device for metal bipolar plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216500273U true CN216500273U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123179539.2U Active CN216500273U (en) | 2021-12-17 | 2021-12-17 | Surface coating spraying device for metal bipolar plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216500273U (en) |
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2021
- 2021-12-17 CN CN202123179539.2U patent/CN216500273U/en active Active
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