CN216635544U

CN216635544U - Graphite plate stamping die of improved fuel cell bipolar plate

Info

Publication number: CN216635544U
Application number: CN202123246401.XU
Authority: CN
Inventors: 陈阳; 刘海波
Original assignee: Anhui Semele New Energy Technology Co ltd
Current assignee: Anhui Semele New Energy Technology Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-31
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to a graphite plate stamping die of an improved fuel cell bipolar plate, which comprises a bottom plate, wherein the positions of the upper surface of the bottom plate close to two sides are connected with a top plate through three upright posts, the lower surface of the top plate is provided with two hydraulic cylinders, the output ends of the two hydraulic cylinders are connected with a pressing plate sleeved on the six upright posts, the pressing plate is movably provided with a male die, the middle position of the upper surface of the bottom plate is movably provided with a female die, a mounting groove is arranged between the front surface and the rear surface of the pressing plate and extends to the lower surface of the pressing plate, a mounting block is movably arranged in the mounting groove, the mounting and the dismounting of the male die can be facilitated through the arrangement of parts such as a positioning column, a positioning hole, a mounting block, a mounting groove, an adjusting groove, a spring and the like, and the mounting and the dismounting of the female die can be facilitated through a rotating handle, a two-way screw rod, a nut block, a positioning groove and a positioning plate, the operation is simple and convenient, so that the device has strong practicability.

Description

Graphite plate stamping die for improved fuel cell bipolar plate

Technical Field

The utility model relates to a graphite plate stamping die's technical field especially relates to a graphite plate stamping die of improvement fuel cell bipolar plate.

Background

Bipolar plates, also known as collector plates, are one of the important components of fuel cells. Has the following functions and properties: separating the fuel from the oxidant to prevent gas permeation; current is collected and conducted, and the conductivity is high; designing and processing flow channel, and uniformly distributing gas to the reaction layer of the electrode to perform electrode reaction; heat can be discharged, and the temperature field of the battery is kept uniform; corrosion resistance; impact resistance and vibration resistance; the thickness is thin; the weight is light; meanwhile, the bipolar plate is low in cost, easy to machine, suitable for batch manufacturing and the like, and the bipolar plate materials can be roughly divided into 3 types: the carbon material comprises graphite, a mould pressing carbon material, expanded (flexible) graphite and the like.

However, when the conventional partial graphite plate stamping die is used, it is inconvenient to replace the female die and the male die. Accordingly, one skilled in the art provides an improved graphite plate stamping die for a bipolar plate of a fuel cell to solve the above-mentioned problems of the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of the prior art, the present application provides a graphite plate stamping die for improving a bipolar plate of a fuel cell.

The application provides a graphite plate stamping die of improvement fuel cell bipolar plate adopts following technical scheme:

a graphite plate stamping die of an improved fuel cell bipolar plate comprises a bottom plate, wherein the positions, close to two sides, of the upper surface of the bottom plate are respectively connected with a top plate through three stand columns, two hydraulic cylinders are arranged on the lower surface of the top plate, the output ends of the two hydraulic cylinders are connected with a pressing plate sleeved on the six stand columns, male dies are movably mounted on the pressing plate, and female dies are movably mounted in the middle of the upper surface of the bottom plate;

be equipped with a mounting groove between the front and back surface of clamp plate, and the mounting groove extends to the lower surface of clamp plate, the inside movable mounting of mounting groove has the installation piece, and installs piece and terrace die fixed connection, the upper surface of terrace die is equipped with two locating holes, and the equal movable mounting in inside of two locating holes has the reference column, two the reference column is inside two adjustment tanks that movable mounting respectively was equipped with at the clamp plate upper surface, and the last fixed surface of two reference columns is connected with a handle.

Through adopting above-mentioned technical scheme, upwards mention the handle, the handle drives two reference columns and shifts out from the locating hole, can take out the installation piece on the terrace die from the mounting groove, and then can take out the terrace die, through the inside that moves the installation piece into the mounting groove, two reference columns of installation piece extrusion, under compression spring's elastic action, the reference column card can be installed the installation piece in the inside of locating hole to be convenient for the installation and the dismantlement of terrace die.

Preferably, the inside movable mounting of adjustment tank has the limiting plate with reference column outer wall fixed connection, and is equipped with compression spring between the upper surface of limiting plate and the roof of adjustment tank, the both sides of adjustment tank all are equipped with the spacing groove, and the equal sliding connection in inside of two spacing grooves has the stopper with limiting plate connection.

By adopting the technical scheme, the male die can be conveniently mounted and dismounted.

Preferably, the inside of bottom plate is equipped with the recess, and the inside of recess rotates and is connected with a two-way screw rod, the outside movable mounting of two-way screw rod has two nut pieces, and the equal fixedly connected with locating plate of upper surface of two nut pieces, two the equal movable mounting of locating plate is in the fluting that the bottom plate upper surface was seted up, and two the locating plate is respectively inside the constant head tank that the outer wall intermediate position of die both sides was seted up at movable mounting.

By adopting the technical scheme, the female die is convenient to mount and dismount.

Preferably, the lower surfaces of the two nut blocks are fixedly provided with sliding blocks, and the two sliding blocks are connected in a sliding groove formed in the bottom wall of the groove in a sliding mode.

Through adopting above-mentioned technical scheme, spout and slider can carry on spacingly to the nut piece.

Preferably, one end of the bidirectional screw rod extends to the outside of the bottom plate and is connected with a rotating handle, the other end of the bidirectional screw rod is rotatably connected in a rotating groove formed in the side wall of the groove through a round cake, and four bases are arranged on the lower surface of the bottom plate.

By adopting the technical scheme, the bidirectional screw rod is convenient to rotate and is limited.

To sum up, the application comprises the following beneficial technical effects:

through the setting of parts such as reference column, locating hole, installation piece, mounting groove, adjustment tank, spring, the installation and the dismantlement of the terrace die of can being convenient for, through rotating handle, two-way screw rod, nut piece, constant head tank, locating plate, the installation and the dismantlement of the die of can being convenient for, easy operation is convenient for the device has stronger practicality.

Drawings

FIG. 1 is a schematic diagram of a stamping die for a graphite plate of an improved fuel cell bipolar plate according to an embodiment of the present disclosure;

FIG. 2 is a schematic cross-sectional view of a stamping die for a graphite plate of an improved fuel cell bipolar plate according to an embodiment of the present disclosure;

FIG. 3 is an enlarged schematic view of a portion A in FIG. 2 according to an embodiment of the present application;

FIG. 4 is a view showing the combination of the female mold and the positioning groove in the embodiment of the present application.

Description of the reference numerals: 1. a base plate; 2. a column; 3. a top plate; 4. a hydraulic cylinder; 5. pressing a plate; 6. a male die; 61. mounting blocks; 62. positioning holes; 7. a female die; 71. positioning a groove; 8. mounting grooves; 9. an adjustment groove; 10. a positioning column; 11. a limiting plate; 12. a compression spring; 13. a handle; 14. a groove; 15. a bidirectional screw; 16. a nut block; 17. and (7) positioning the plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a graphite plate stamping die of an improved fuel cell bipolar plate. Referring to fig. 1-4, a graphite plate stamping die of an improved fuel cell bipolar plate comprises a bottom plate 1, wherein the positions, close to two sides, of the upper surface of the bottom plate 1 are respectively connected with a top plate 3 through three upright posts 2, the lower surface of the top plate 3 is provided with two hydraulic cylinders 4, the output ends of the two hydraulic cylinders 4 are connected with a pressing plate 5 sleeved on the six upright posts 2, male dies 6 are movably mounted on the pressing plate 5, and a female die 7 is movably mounted in the middle of the upper surface of the bottom plate 1;

referring to fig. 2-3, a mounting groove 8 is formed between the front surface and the rear surface of the pressing plate 5, the mounting groove 8 extends to the lower surface of the pressing plate 5, a mounting block 61 is movably mounted inside the mounting groove 8, the mounting block 61 is fixedly connected with the male die 6, two positioning holes 62 are formed in the upper surface of the male die 6, positioning columns 10 are movably mounted inside the two positioning holes 62, the two positioning columns 10 are respectively movably mounted inside two adjusting grooves 9 formed in the upper surface of the pressing plate 5, and a handle 13 is fixedly connected to the upper surfaces of the two positioning columns 10; the inside movable mounting of adjustment tank 9 has limiting plate 11 with reference column 10 outer wall fixed connection, and is equipped with compression spring 12 between the upper surface of limiting plate 11 and the roof of adjustment tank 9, and the both sides of adjustment tank 9 all are equipped with the spacing groove, and the equal sliding connection in inside of two spacing grooves has the stopper of being connected with limiting plate 11, can be convenient for the installation and the dismantlement of terrace die 6.

Referring to fig. 1-2, a groove 14 is formed in a bottom plate 1, a bidirectional screw 15 is rotatably connected in the groove 14, two nut blocks 16 are movably mounted on the outer portion of the bidirectional screw 15, positioning plates 17 are fixedly connected to the upper surfaces of the two nut blocks 16, the two positioning plates 17 are movably mounted in a groove formed in the upper surface of the bottom plate 1, and the two positioning plates 17 are respectively movably mounted in positioning grooves 71 formed in the middle positions of the outer walls of the two sides of a female die 7, so that the female die 7 can be conveniently mounted and dismounted; the lower surfaces of the two nut blocks 16 are fixedly provided with sliding blocks, the two sliding blocks are connected in a sliding groove formed in the bottom wall of the groove 14 in a sliding mode, and the sliding groove and the sliding blocks can limit the nut blocks 16; one end of the bidirectional screw 15 extends to the outside of the bottom plate 1 and is connected with a rotating handle, the other end of the bidirectional screw 15 is rotatably connected in a rotating groove formed in the side wall of the groove 14 through a round cake, and the lower surface of the bottom plate 1 is provided with four bases, so that the bidirectional screw 15 can be conveniently rotated and limited.

The implementation principle of the graphite plate stamping die for the improved fuel cell bipolar plate is as follows: a controller is arranged on one side of the base plate 1 and is used for controlling the hydraulic cylinder 4, the central point of the base plate 1, the central point of the pressure plate 5, the central point of the female die 7, the central point of the mounting groove 8, the central point between the two positioning holes 62 and the central point between the two positioning grooves 71 are all positioned on the same vertical axis, so that the male die 6 can be conveniently and vertically aligned with the central point of the female die 7, when in use, the handle 13 is lifted upwards, the handle 13 drives the two positioning columns 10 to move out of the positioning holes 62, the mounting block 61 on the male die 6 can be taken out of the mounting groove 8, the male die 6 can be taken out, the mounting block 61 is moved into the mounting groove 8, the two positioning columns 10 are extruded by the mounting block 61, under the elastic action of the compression spring 12, the positioning columns 10 are clamped in the positioning holes 62, the mounting block 61 can be mounted, and the mounting and the dismounting of the male die 6 are convenient, through rotatory rotation handle, it drives two-way screw rod 15 and rotates to rotate the handle, two-way screw rod 15 drives two nut pieces 16 and keeps away from, can make locating plate 17 shift out from the constant head tank 71 on die 7 is inside, thereby can dismantle die 7, carry out the operation with above-mentioned step opposite direction to two-way screw rod 15, can fix die 7, thereby be convenient for install and dismantle die 7, through putting the graphite cake in die 7, the output of pneumatic cylinder 4 drives clamp plate 5 and moves down, clamp plate 5 drives terrace die 6 and moves down, can carry out the punching press to the graphite cake.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an improvement fuel cell bipolar plate's graphite cake stamping die, includes bottom plate (1), and the position that the upper surface of bottom plate (1) is close to both sides all is connected with one roof (3), its characterized in that through three stand (2): the lower surface of the top plate (3) is provided with two hydraulic cylinders (4), the output ends of the two hydraulic cylinders (4) are connected with a pressing plate (5) sleeved on the six stand columns (2), the pressing plate (5) is movably provided with a male die (6), and the middle position of the upper surface of the bottom plate (1) is movably provided with a female die (7);

be equipped with one mounting groove (8) between the front and back surface of clamp plate (5), and mounting groove (8) extend to the lower surface of clamp plate (5), the inside movable mounting of mounting groove (8) has installation piece (61), and installs piece (61) and terrace die (6) fixed connection, the upper surface of terrace die (6) is equipped with two locating holes (62), and the equal movable mounting in inside of two locating holes (62) has reference column (10), two inside two adjustment tank (9) that reference column (10) difference movable mounting was equipped with at clamp plate (5) upper surface, and the last fixed surface of two reference columns (10) is connected with handle (13).

2. The improved fuel cell bipolar plate graphite plate stamping die as claimed in claim 1, wherein: the inside movable mounting of adjustment tank (9) has limiting plate (11) with reference column (10) outer wall fixed connection, and is equipped with compression spring (12) between the upper surface of limiting plate (11) and the roof of adjustment tank (9), the both sides of adjustment tank (9) all are equipped with the spacing groove, and the equal sliding connection in inside of two spacing grooves has the stopper of being connected with limiting plate (11).

3. The improved fuel cell bipolar plate graphite plate stamping die as claimed in claim 1, wherein: the inside of bottom plate (1) is equipped with recess (14), and the inside rotation of recess (14) is connected with a two-way screw rod (15), the outside movable mounting of two-way screw rod (15) has two nut piece (16), and the equal fixedly connected with locating plate (17) of upper surface of two nut piece (16), two the equal movable mounting of locating plate (17) is in the fluting that bottom plate (1) upper surface was seted up, and two locating plate (17) is inside locating groove (71) that the outer wall intermediate position of die (7) both sides was seted up at movable mounting respectively.

4. The improved fuel cell bipolar plate graphite plate stamping die as claimed in claim 3, wherein: the lower surfaces of the two nut blocks (16) are fixedly provided with sliding blocks, and the two sliding blocks are connected in a sliding groove formed in the bottom wall of the groove (14) in a sliding mode.

5. The improved fuel cell bipolar plate graphite plate stamping die as claimed in claim 3, wherein: one end of the bidirectional screw (15) extends to the outside of the bottom plate (1) and is connected with a rotating handle, the other end of the bidirectional screw (15) is rotatably connected in a rotating groove formed in the side wall of the groove (14) through a round cake, and four bases are arranged on the lower surface of the bottom plate (1).