CN219505125U - Graphite sheet leveling and forming device - Google Patents

Abstract

The utility model belongs to the technical field of fuel cell graphite plate leveling, in particular to a graphite plate leveling forming device, which comprises a bottom plate, wherein a heavy pressing plate is arranged above the bottom plate, the bottom plate is of a rectangular structure, a plurality of first positioning holes which are bilaterally symmetrical are arranged on the upper end surface of the bottom plate near a wide edge, a plurality of second positioning holes which are bilaterally symmetrical are arranged on the upper end surface of the bottom plate near a long edge, positioning pins are arranged between a base and the heavy pressing plate and are used for fixing graphite plates of different sizes, and the graphite plates are fixed by the positioning pins and a limiting mechanism, so that the leveling effect of the graphite plates is greatly enhanced in a stable state all the time in the leveling process, an anode plate and a cathode plate are more easily bonded in place, and meanwhile, the positioning pins and the limiting mechanism can be adjusted according to the size of the graphite plates, so that the applicability of the device is improved.

Description

Graphite sheet leveling and forming device

Technical Field

The utility model relates to the technical field of fuel cell graphite plate leveling, in particular to a graphite plate leveling forming device.

Background

The fuel cell is formed by stacking a plurality of groups of bipolar plates and membrane electrodes at intervals, and the bipolar plates are used as one of main components of the fuel cell and mainly used for supporting the membrane electrodes to provide flow channels required by hydrogen and oxygen transmission. And the bipolar plate is formed by bonding an anode plate and a cathode plate. The flatness of the anode and cathode plates can affect the uniformity of gas distribution and uniformity of compression of the membrane electrodes of the formed stack. The existing bipolar plate is usually bonded and solidified by an adhesive, but the anode plate and the cathode plate are easy to be uneven, so that the phenomenon of incomplete bonding and complete unbonded during the application of the adhesive is caused, and the performance of the bipolar plate is greatly affected. To solve this problem, it is necessary to perform leveling treatment on the graphite sheet.

CN108407099a discloses a graphite bipolar plate leveling tool frame, the graphite bipolar plate leveling tool frame includes supporting bench, at least one leveling station, two at least flat plates and at least one heavy pressure plate, the leveling station sets up on the supporting bench and with graphite bipolar plate's shape assorted, flat plate and heavy pressure plate with the leveling station matches, flat plate with heavy pressure plate demountable installation is in the leveling station, graphite bipolar plate arranges in between the flat plates, be provided with the gag lever post around the leveling station, in order to right flat plate, heavy pressure plate and graphite bipolar plate are spacing. The utility model can be used for leveling the graphite bipolar plate and ensuring the flatness of the graphite bipolar plate. In the present utility model, however, only one size graphite bipolar plate can be flattened.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a graphite plate leveling and forming device.

The utility model provides a graphite sheet leveling forming device, includes the bottom plate, the top of bottom plate is equipped with the heavy pressure board, the bottom plate is rectangular structure, the up end of bottom plate is close to broadside department and is equipped with a plurality of first locating holes of bilateral symmetry, the up end of bottom plate is close to long limit department and is equipped with a plurality of second locating holes of bilateral symmetry, be equipped with the locating pin between bottom plate and the heavy pressure board for fixed unidimensional graphite sheet.

Further, the locating pin includes reference column and locating plate, be equipped with waist type hole on the locating plate, waist type hole and first locating hole and second locating hole bolted connection, bolt and waist type hole junction are equipped with the gasket.

Further, a first T-shaped groove is formed in the wide side of the bottom plate, a second T-shaped groove which is symmetrical in the front-back direction is formed in the long side of the bottom plate, and the first T-shaped groove and the second T-shaped groove are in sliding connection with the limiting mechanism.

Further, stop gear includes the slide, the top of slide is equipped with the lower slide bar, the slide bar is established at its inside last slide bar sliding connection with the cover down, be equipped with logical groove in the axial of lower slide bar, one side of going up the slide bar is equipped with the baffle, the baffle passes through the connecting block and is connected with last slide bar, connecting block and logical groove sliding connection, one side that the baffle was kept away from to going up the slide bar bottom is equipped with the screw rod, the screw rod passes logical groove and lower slide bar bolted connection.

Further, one side of the sliding seat is provided with a fixed block, and the fixed block is connected with the bottom plate through bolts.

Further, a first positioning groove corresponding to the positioning column is formed in the heavy pressing plate, and a second positioning groove corresponding to the first T-shaped groove and the second T-shaped groove is further formed in the heavy pressing plate.

The beneficial technical effects of the utility model are as follows: according to the utility model, the locating pins are arranged, when a small number of graphite plates are leveled, the edges of the graphite plates are tightly attached to the locating pins, then the rest locating pins are tightly attached to the edges of the graphite plates and are fixed by nuts, finally, the heavy pressing plate is placed, the heavy pressing plate is positioned through the first locating groove, when the height of the graphite plates exceeds that of the locating column, an operator adjusts the position of the limiting mechanism according to the placed graphite plates, after adjusting part of the limiting mechanism, the upper sliding rod adjusts a certain position, the baffle plate on the upper sliding rod plays a role of a benchmark, the edges of the placed graphite plates are tightly attached to the baffle plate, the operator can adjust the height of the baffle plate according to the height of the graphite plates, after the placement of the graphite plates is completed, the rest limiting mechanisms are adjusted, the graphite plates on the upper parts play a role of stabilizing, the graphite plates are always in a stable state in the leveling process by using the locating pins and the limiting mechanism, the leveling effect of the graphite plates is greatly enhanced, and the anode plates and the cathode plates are more easily adhered to the positions, meanwhile, the locating pins and the limiting mechanism can be adjusted according to the size of the graphite plates, and the applicability of the device is increased.

Drawings

FIG. 1 is a schematic diagram of a leveling and forming device for graphite plates according to the present utility model;

FIG. 2 is a schematic view of a graphite sheet leveling and forming apparatus according to the present utility model;

FIG. 3 is a schematic view of a part of a graphite sheet leveling and forming apparatus according to the present utility model;

FIG. 4 is a schematic view of the heavy platen structure of the present utility model;

FIG. 5 is a schematic view of the structure of the base plate according to the present utility model;

fig. 6 is a schematic structural view of a limiting mechanism in the present utility model.

In the figure, 1, a bottom plate, 2, a heavy pressing plate, 3, a first positioning hole, 4, a second positioning hole, 5, a positioning column, 6, a positioning plate, 7, a waist-shaped hole, 8, a first T-shaped groove, 9, a second T-shaped groove, 10, a sliding seat, 11, a lower sliding rod, 12, an upper sliding rod, 13, a through groove, 14, a baffle plate, 15, a connecting block, 16, a screw rod, 17, a fixed block, 18, a first positioning groove, 19, a second positioning groove, 20 and a gasket.

Detailed Description

In order to more clearly illustrate the technical solution of the present utility model, it is obvious that the following description of the present utility model is provided by way of example only, and it is within the scope of the present utility model to one skilled in the art to obtain other embodiments according to the present utility model without inventive effort.

According to the drawing 1-6, a graphite plate leveling and forming device comprises a bottom plate 1, a heavy pressing plate 2 is arranged above the bottom plate 1, the bottom plate 1 is of a rectangular structure, a plurality of first positioning holes 3 which are bilaterally symmetrical are formed in the position, close to the broadside, of the upper end face of the bottom plate 1, a plurality of second positioning holes 4 which are bilaterally symmetrical are formed in the position, close to the long side, of the upper end face of the bottom plate 1, and positioning pins are arranged between the bottom plate 1 and the heavy pressing plate 2 and used for fixing graphite plates of different sizes.

In the above-mentioned concrete implementation, be equipped with the locating pin between bottom plate 1 and the heavy pressure plate 2, the position of locating pin can be adjusted according to the difference of graphite plate size, and the up end of bottom plate 1 is close to broadside department and is equipped with a plurality of first locating holes 3 of bilateral symmetry, the up end of bottom plate 1 is close to long limit department and is equipped with a plurality of second locating holes 4 of bilateral symmetry, adjusts the position of locating pin through the position of first locating hole 3 and second locating hole 4, through using the locating pin fixed graphite plate, makes the graphite plate be in under the steady state all the time in the in-process of flattening, great reinforcing the flattening effect of graphite plate, make anode plate and negative plate adhesion in place easier.

The locating pin includes reference column 5 and locating plate 6, be equipped with waist type hole 7 on the locating plate 6, waist type hole 7 and first locating hole 3 and second locating hole 4 bolted connection, bolt and waist type hole 7 junction are equipped with gasket 20.

This embodiment provides a graphite sheet leveling forming device, when needs are to the level of more graphite sheets, operating personnel is fixed the position of part locating pin at first, after the high reference column 5 that surpasss of graphite sheet, stop gear plays the effect of calibration graphite sheet, graphite sheet hugs closely baffle 14 and places, can stabilize and fix a position baffle 14 on upper portion, operating personnel can be according to the height of the high adjustment slide bar 12 of graphite sheet, it is convenient to adjust, after the graphite sheet location is accomplished, with the top of heavy pressing plate 2 lid pressure at the graphite sheet, heavy pressing plate 2 is fixed a position through second constant head tank 19.

The wide side of the bottom plate 1 is provided with a first T-shaped groove 8, the long side of the bottom plate 1 is provided with a second T-shaped groove 9 which is symmetrical from front to back, and the first T-shaped groove 8 and the second T-shaped groove 9 are in sliding connection with a limiting mechanism.

The limiting mechanism comprises a sliding seat 10, a lower sliding rod 11 is arranged at the top of the sliding seat 10, the lower sliding rod 11 is in sliding connection with an upper sliding rod 12 sleeved in the lower sliding rod 11, a through groove 13 is formed in the axial direction of the lower sliding rod 11, a baffle 14 is arranged on one side of the upper sliding rod 12, the baffle 14 is connected with the upper sliding rod 12 through a connecting block 15, the connecting block 15 is in sliding connection with the through groove 13, a screw 16 is arranged on one side, away from the baffle 14, of the bottom of the upper sliding rod 12, and the screw 16 penetrates through the through groove 13 and is in bolt connection with the lower sliding rod 11.

A fixed block 17 is arranged on one side of the slide 10, and the fixed block 17 is connected with the bottom plate 1 through bolts.

The heavy pressing plate 2 is provided with a first positioning groove 18 corresponding to the positioning column 5, and the heavy pressing plate 2 is also provided with a second positioning groove 19 corresponding to the first T-shaped groove 8 and the second T-shaped groove 9.

The specific working process of the utility model is as follows: when a small amount of graphite plates need to be leveled and formed, an operator firstly fixes part of locating pins on the bottom plate 1, then places the graphite plates needing to be leveled on the bottom plate 1, clings the edges of the graphite plates to the locating pins, then clings the rest of locating pins to the edges of the graphite plates and fixes the edges of the graphite plates by nuts, finally places the heavy pressing plate 2, when the height of the graphite plates exceeds the locating column 5, the operator adjusts the position of the limiting mechanism according to the placed graphite plates, after adjusting part of limiting mechanism, adjusts a certain position of the upper slide bar 12, the baffle plate 14 on the upper slide bar plays a role of a reference, the edges of the placed graphite plates cling to the baffle plate 14, the operator can adjust the height of the baffle plate 14 according to the height of the graphite plates, after the placement of the graphite plates is completed, the rest of the limiting mechanism is adjusted, the upper graphite plates play a firm role in stabilizing the graphite plates, and places the heavy pressing plate 2 on the top of the graphite plates through the second locating groove 19.

The above embodiments are only exemplary embodiments of the present utility model and are not intended to limit the present utility model, and the scope of the present utility model is defined by the appended claims, and various modifications or equivalent substitutions may be made by those skilled in the art to which the present utility model pertains, and should be considered to fall within the scope of the present utility model.

Claims (6)

1. The utility model provides a graphite sheet flattening forming device, includes bottom plate (1), its characterized in that, the top of bottom plate (1) is equipped with heavy pressing board (2), bottom plate (1) is rectangular structure, the up end of bottom plate (1) is close to broadside department and is equipped with a plurality of first locating holes (3) of bilateral symmetry, the up end of bottom plate (1) is close to a plurality of second locating holes (4) of long limit department and is equipped with fore-and-aft symmetry, be equipped with the locating pin between bottom plate (1) and heavy pressing board (2) for fixed unidimensional graphite sheet.

2. The graphite plate leveling and forming device according to claim 1, wherein the positioning pin comprises a positioning column (5) and a positioning plate (6), a waist-shaped hole (7) is formed in the positioning plate (6), the waist-shaped hole (7) is connected with the first positioning hole (3) and the second positioning hole (4) through bolts, and gaskets (20) are arranged at the connection positions of the bolts and the waist-shaped hole (7).

3. The graphite plate leveling and forming device according to claim 1, wherein a first T-shaped groove (8) is formed in the wide side of the bottom plate (1), a second T-shaped groove (9) which is symmetrical in the front-back direction is formed in the long side of the bottom plate (1), and the first T-shaped groove (8) and the second T-shaped groove (9) are in sliding connection with the limiting mechanism.

4. A graphite sheet leveling forming device according to claim 3, characterized in that the limit mechanism comprises a sliding seat (10), a lower sliding rod (11) is arranged at the top of the sliding seat (10), the lower sliding rod (11) is in sliding connection with an upper sliding rod (12) sleeved in the lower sliding rod (11), a through groove (13) is formed in the axial direction of the lower sliding rod (11), a baffle plate (14) is arranged on one side of the upper sliding rod (12), the baffle plate (14) is connected with the upper sliding rod (12) through a connecting block (15), the connecting block (15) is in sliding connection with the through groove (13), a screw rod (16) is arranged on one side, far away from the baffle plate (14), of the bottom of the upper sliding rod (12), and the screw rod (16) penetrates through the through groove (13) to be in bolt connection with the lower sliding rod (11).

5. The graphite sheet leveling and forming device according to claim 4, wherein a fixing block (17) is arranged on one side of the sliding seat (10), and the fixing block (17) is connected with the bottom plate (1) through bolts.

6. The graphite sheet leveling and forming device according to claim 1, wherein the heavy pressing plate (2) is provided with a first positioning groove (18) corresponding to the positioning column (5), and the heavy pressing plate (2) is also provided with a second positioning groove (19) corresponding to the first T-shaped groove (8) and the second T-shaped groove (9).