CN219191421U

CN219191421U - Compression molding device for flexible graphite bipolar plate

Info

Publication number: CN219191421U
Application number: CN202223206688.8U
Authority: CN
Inventors: 林豪克; 林献乐; 司建国
Original assignee: Jiangsu Sunki Carbon Product Co ltd
Current assignee: Jiangsu Sunki Carbon Product Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-16
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to the technical field of graphite bipolar plates, in particular to a flexible graphite bipolar plate molding device, which comprises a demolding component group arranged on one side of a molding groove, wherein the demolding component group is used for assisting in demolding of a molded bipolar plate, the demolding component group comprises an outer plate, a connecting rod is arranged at the bottom of the outer plate, a middle column is arranged inside the connecting rod, a jacking column is arranged at one end, far away from the outer plate, of the connecting rod, a limiting column is arranged inside the jacking column, and a spring is arranged outside the jacking column. The utility model can rapidly carry out demoulding and pushing out the bipolar plate, thereby increasing the working efficiency of the mould pressing device, reducing the manual operation, lowering the labor cost and improving the working efficiency and the practicability of the whole mould pressing device.

Description

Compression molding device for flexible graphite bipolar plate

Technical Field

The utility model relates to the technical field of graphite bipolar plates, in particular to a flexible graphite bipolar plate molding device.

Background

The flexible graphite is also called expanded graphite, which has the characteristics of softness, compression resilience, adsorptivity and the like which are not available in natural graphite, and the bipolar plate made of the flexible graphite needs a stamping die in the compression molding process, so that the existing flexible graphite bipolar plate stamping die basically meets the demands of people, but has some problems.

At present, in the process of taking out the flexible graphite bipolar plate after the bipolar plate is formed, manual operation demolding is not convenient enough, the molded bipolar plate can be damaged after forced demolding, the practicability of the flexible graphite bipolar plate stamping die is reduced, and if a new demolding mode is used, a certain time is consumed for taking the bipolar plate manually, so that the production speed is reduced, and therefore, the flexible graphite bipolar plate molding device is needed to solve the problems.

Disclosure of Invention

In order to overcome the technical problems, the utility model aims to provide a compression molding device for flexible graphite bipolar plates, so as to solve the problems of inconvenient demolding and unchanged taking in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the flexible graphite bipolar plate compression molding device comprises a stamping die component group, wherein the stamping die component group comprises a die main body, one side of the die main body is connected with a compression molding groove, one side of the compression molding groove is provided with a demolding component group, the demolding component group is used for assisting in demolding of a compression molded bipolar plate, the demolding component group comprises an outer plate, the bottom of the outer plate is provided with a connecting rod, a middle column is arranged inside the connecting rod, one end, far away from the outer plate, of the connecting rod is provided with a jacking column, the inside of the jacking column is provided with a limiting column, and the outside of the jacking column is provided with a spring; one side of the die body is provided with a pushing-out component group which is used for pushing out the demoulded bipolar plate.

Preferably: the outer plate is frame-shaped, the two sides of the outer plate are connected with pressing plates, four groups of parts of the demolding component group are all arranged outside the outer plate, the four groups of parts are distributed on four corners of the molding groove, rotating shafts are arranged at positions of the outer plate corresponding to the connecting rods, and the outer plate is connected with the connecting rods through the rotating shafts.

Preferably: the bottom of the middle column is connected to the die main body, a rotating shaft is arranged at the position of the middle column corresponding to the connecting rod, the middle column is connected with the connecting rod through the rotating shaft, a rotating shaft is arranged at the position of the top column corresponding to the connecting rod, and the top column is connected with the connecting rod through the rotating shaft.

Preferably: the upper portion of jack-prop is cylindrical, the lower part of jack-prop is trapezoidal, the pivot that the jack-prop corresponds the connecting rod setting is connected on trapezoidal, the mould pressing groove is provided with the spout in the position that corresponds the jack-prop, and jack-prop and mould pressing groove pass through the spout and connect, the mould pressing groove is run through by the jack-prop, and the top of jack-prop is in the coplanar with the top of mould pressing groove, the bottom of spacing post is connected on the mould main part, the jack-prop is provided with the spout in the position that corresponds spacing post, and jack-prop and spacing post pass through the spout and connect.

Preferably: the pushing-out component group comprises a motor, one end of the motor is provided with a driving belt, one end of the driving belt is provided with a rotary drum, a screw rod is arranged in the rotary drum, a supporting clamp is arranged outside the rotary drum, and a bottom plate is arranged on one side of the supporting clamp.

Preferably: one end of the bottom plate is connected to the die main body, the bottoms of the motor and the supporting clamp are connected to the bottom plate, two groups of rotary drums and screw rods are arranged on the bottom plate, and the two groups of rotary drums and screw rods are symmetrically distributed on two sides of the motor.

Preferably: the motor is connected with two groups of rotary drums through a transmission belt, bearings are arranged at the positions of the two ends of the rotary drums corresponding to the supporting clamps, and the rotary drums are connected with the supporting clamps through the bearings.

Preferably: the rotary drum is provided with a nut pair at a position corresponding to the screw rod, the rotary drum is connected with the screw rod through the nut pair, and one end of the screw rod is connected with the cushion block.

Compared with the prior art, the utility model has the beneficial effects that:

1. the flexible graphite bipolar plate molding device is provided with a demolding component group, the existing flexible graphite bipolar plate molding device is not convenient enough to perform manual operation demolding in the process of taking out the bipolar plate after molding, the bipolar plate which is molded well can be damaged after forced demolding, the practicability of the flexible graphite bipolar plate molding device is reduced, the demolding component group is correspondingly designed, after the molding is finished, the pressing plates on two sides of the outer plate are pressed, the outer plate is driven to move downwards by the pressing plates, one end of the connecting rod is connected with the outer plate, the middle part of the connecting rod is connected with the middle column, the other end of the connecting rod is connected to the top column, at the moment, the outer plate moves downwards through the action of the connecting rod, the top column can be driven to move upwards by the connecting rod, the top column rises to squeeze the spring, so that the spring can store force, the limit column plays a role of limiting the top column, the bipolar plate positioned on the molding groove can be jacked up, the demolding is finished, after demolding of the bipolar plate is finished, the outer plate is released, the spring stops extruding the spring, the force can be released, the top column, the connecting rod and the outer plate are reset, the design of the component group can be used, and the overall practical device can be rapidly passed through after the molding of the flexible graphite bipolar plate is enhanced through simple structure design;

2. the flexible graphite bipolar plate molding device is provided with the pushing-out component set, if a new demolding mode is used, a subsequent manual operation is used for taking out the bipolar plate, a certain time is also consumed, so that the production speed is reduced, the correspondingly designed pushing-out component set is used, after demolding of the bipolar plate by the demolding component set is completed, a motor is started, the rotating drum on two sides is driven to rotate through a driving belt, the screw rod is driven to horizontally displace through a nut pair by the rotating drum, a cushion block connected with the screw rod can be driven by the screw rod to move towards the bipolar plate after demolding, the bipolar plate is finally pushed out of a stamping die, and the design of the pushing-out component set is used for rapidly pushing out the bipolar plate after demolding in a mechanical mode, so that manual operation is avoided, the labor cost is reduced, and the working efficiency of the whole molding device is improved.

Drawings

FIG. 1 is a schematic diagram of the overall front view of the present utility model;

FIG. 2 is a schematic diagram of the overall side view of the present utility model;

FIG. 3 is a schematic view in partial cross-section of a mold release component assembly of the present utility model;

FIG. 4 is a schematic diagram of the structure of FIG. 3A according to the present utility model;

fig. 5 is a schematic diagram of the overall explosive structure of the present utility model.

In the figure: 01. a stamping die component set; 11. a mold body; 12. a molding groove; 02. a set of stripping members; 21. an outer plate; 22. a connecting rod; 23. a middle column; 24. a top column; 25. a limit column; 26. a spring; 03. a push-out member group; 31. a motor; 32. a transmission belt; 33. a rotating drum; 34. a screw rod; 35. a support clip; 36. a bottom plate; 37. and (5) cushion blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the flexible graphite bipolar plate compression molding device comprises a stamping die part group 01, wherein the stamping die part group 01 comprises a die main body 11, one side of the die main body 11 is connected with a compression molding groove 12, one side of the compression molding groove 12 is provided with a demoulding part group 02, the demoulding part group 02 is used for helping demoulding of a compression molded bipolar plate, the demoulding part group 02 comprises an outer plate 21, the bottom of the outer plate 21 is provided with a connecting rod 22, a middle column 23 is arranged inside the connecting rod 22, one end, far away from the outer plate 21, of the connecting rod 22 is provided with a jacking column 24, the inside of the jacking column 24 is provided with a limiting column 25, and the outside of the jacking column 24 is provided with a spring 26; a pushing member group 03 is provided on one side of the die body 11, and the pushing member group 03 is used to push out the bipolar plate after the demolding.

The outer plate 21 is frame-shaped, the two sides of the outer plate 21 are connected with pressing plates, four groups of parts except the outer plate 21 in the demolding part group 02 are distributed on four corners of the molding groove 12, the outer plate 21 is provided with rotating shafts at positions corresponding to the connecting rods 22, the outer plate 21 is connected with the connecting rods 22 through the rotating shafts, and the top of the outer plate 21 is contacted with one side of the molding groove 12.

The bottom of the intermediate column 23 is connected to the mold main body 11, the intermediate column 23 is provided with a rotating shaft at a position corresponding to the connecting rod 22, the intermediate column 23 is connected with the connecting rod 22 through the rotating shaft, the top column 24 is provided with a rotating shaft at a position corresponding to the connecting rod 22, and the top column 24 is connected with the connecting rod 22 through the rotating shaft.

The upper portion of jack-prop 24 is cylindrical, the lower part of jack-prop 24 is trapezoidal, the pivot that jack-prop 24 corresponds the connecting rod 22 setting is connected on trapezoidal, the die pressing groove 12 is provided with the spout in the position that corresponds jack-prop 24, and jack-prop 24 and die pressing groove 12 pass through the spout and connect, die pressing groove 12 is run through by jack-prop 24, and the top of jack-prop 24 is in the coplanar with the top of die pressing groove 12, the bottom of spacing post 25 is connected on mould main part 11, jack-prop 24 is provided with the spout in the position that corresponds spacing post 25, and jack-prop 24 and spacing post 25 pass through the spout and connect, when planking 21 moves down, can make jack-prop 24 upwards move through connecting rod 22, thereby the bipolar plate of die pressing in the die pressing groove 12 is ejected.

The pushing member group 03 includes a motor 31, a belt 32 is provided at one end of the motor 31, a drum 33 is provided at one end of the belt 32, a screw 34 is provided inside the drum 33, a supporting clamp 35 is provided outside the drum 33, and a bottom plate 36 is provided at one side of the supporting clamp 35.

One end of the bottom plate 36 is connected to the die body 11, the bottoms of the motor 31 and the supporting clamp 35 are connected to the bottom plate 36, two groups of rotating cylinders 33 and screw rods 34 are arranged, and the two groups of rotating cylinders 33 and screw rods 34 are symmetrically distributed on two sides of the motor 31.

The motor 31 is connected with two groups of rotary drums 33 through a driving belt 32, bearings are arranged at two ends of the rotary drums 33 at positions corresponding to the supporting clamps 35, the rotary drums 33 are connected with the supporting clamps 35 through the bearings, the driving belt 32 is arranged in the middle of the supporting clamps 35, and two sides of the driving belt 32 are not contacted with the supporting clamps 35.

The rotary drum 33 is provided with the nut pair in the position that corresponds screw rod 34, and rotary drum 33 and screw rod 34 pass through the nut pair and connect, and the one end and the cushion 37 of screw rod 34 are connected, and the rotation drive belt 32 can drive rotary drum 33 in the bearing of support clamp 35 when motor 31, and rotary drum 33 drives screw rod 34 again and removes the bipolar plate that drives the cushion 37 and release the good bipolar plate of drawing of patterns, vacates the mould pressing position to conveniently carry out the mould pressing of next time.

Working principle: the current flexible graphite bipolar plate stamping die, take out the in-process after bipolar plate shaping, manual operation drawing of patterns is not enough convenient, the bipolar plate that the drawing of patterns is still probably damaged to the mould pressing, the practicality of flexible graphite bipolar plate stamping die has been reduced, the drawing of patterns part group 02 of corresponding design, after accomplishing the mould pressing, through pressing the clamp plate of planking 21 both sides, the planking 21 is driven down to move by the clamp plate, the one end and the planking 21 of connecting rod 22 are connected through the pivot and the intermediate pillar 23, and the other end is connected on the jack-up post 24, the planking 21 moves down through the connecting rod 22 effect this moment, jack-up post 24 can be driven upwards by connecting rod 22, jack-up post 24 rises and can extrude spring 26, make it carry out the power of holding, spacing post 25 plays the effect to jack-up post 24, afterwards jack-up bipolar plate that is in the mould pressing groove 12, make it accomplish the drawing of patterns, after accomplishing the drawing of patterns to it, jack-up post 24 stops the extrusion to spring 26, spring 26 can release power and make jack-up post 24, connecting rod 22 and planking 21 reset by the jack-up force, this drawing of patterns part group 02, the design of the bipolar plate can be strengthened through the flexible design after the whole device, the practicality has been realized. If a new demolding mode is used, a certain time is consumed for taking the bipolar plate manually, so that the production speed is reduced, a correspondingly designed pushing-out component group 03 is correspondingly designed, after demolding of the bipolar plate by the demolding component group 02 is completed, a motor 31 is started, the motor 31 rotates to drive rotary drums 33 on two sides to rotate through a transmission belt 32, the rotary drums 33 drive screw rods 34 to horizontally displace through nut pairs, cushion blocks 37 connected with the screw rods 34 are driven by the screw rods 34 to move towards the bipolar plate after demolding, and finally the bipolar plate is pushed out of a stamping die, the design of the pushing-out component group 03 rapidly pushes out the bipolar plate after demolding by a mechanical mode, manual operation is avoided, labor cost is reduced, and the working efficiency of the whole molding device is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a flexible graphite bipolar plate compression molding device, includes stamping die part group (01), stamping die part group (01) are including mould main part (11), one side of mould main part (11) is connected with mould pressing groove (12), its characterized in that:

one side of the mould pressing groove (12) is provided with a demoulding component group (02), the demoulding component group (02) is used for helping the demoulding of the bipolar plate after the mould pressing forming, the demoulding component group (02) comprises an outer plate (21), the bottom of the outer plate (21) is provided with a connecting rod (22), the inside of the connecting rod (22) is provided with a middle column (23), one end, far away from the outer plate (21), of the connecting rod (22) is provided with a jacking column (24), the inside of the jacking column (24) is provided with a limiting column (25), and the outside of the jacking column (24) is provided with a spring (26);

one side of the die body (11) is provided with a pushing-out component group (03), and the pushing-out component group (03) is used for pushing out the demoulded bipolar plate.

2. The flexible graphite bipolar plate molding apparatus of claim 1, wherein: the outer plate (21) is frame-shaped, pressing plates are connected to two sides of the outer plate (21), four groups of parts except the outer plate (21) in the parts of the demolding component group (02) are distributed on four corners of the mold pressing groove (12), rotating shafts are arranged at positions of the outer plate (21) corresponding to the connecting rods (22), and the outer plate (21) is connected with the connecting rods (22) through the rotating shafts.

3. The flexible graphite bipolar plate molding apparatus of claim 1, wherein: the bottom of the middle column (23) is connected to the die main body (11), a rotating shaft is arranged at the position corresponding to the connecting rod (22) of the middle column (23), the middle column (23) is connected with the connecting rod (22) through the rotating shaft, a rotating shaft is arranged at the position corresponding to the connecting rod (22) of the top column (24), and the top column (24) is connected with the connecting rod (22) through the rotating shaft.

4. The flexible graphite bipolar plate molding apparatus of claim 1, wherein: the upper portion of jack-prop (24) is cylindrical, the lower part of jack-prop (24) is trapezoidal, pivot that jack-prop (24) corresponds connecting rod (22) setting is connected on trapezoidal, mould pressing groove (12) are provided with the spout in the position that corresponds jack-prop (24), and jack-prop (24) and mould pressing groove (12) pass through the spout and connect, mould pressing groove (12) are run through by jack-prop (24), and the top of jack-prop (24) is in the coplanar with the top of mould pressing groove (12), the bottom of spacing post (25) is connected on mould main part (11), jack-prop (24) are provided with the spout in the position that corresponds spacing post (25), and jack-prop (24) and spacing post (25) pass through the spout and connect.

5. The flexible graphite bipolar plate molding apparatus of claim 1, wherein: the pushing-out component group (03) comprises a motor (31), one end of the motor (31) is provided with a transmission belt (32), one end of the transmission belt (32) is provided with a rotary drum (33), a screw rod (34) is arranged in the rotary drum (33), a supporting clamp (35) is arranged outside the rotary drum (33), and a bottom plate (36) is arranged on one side of the supporting clamp (35).

6. The flexible graphite bipolar plate molding apparatus of claim 5, wherein: one end of the bottom plate (36) is connected to the die main body (11), the bottoms of the motor (31) and the supporting clamp (35) are connected to the bottom plate (36), the rotating cylinders (33) and the screw rods (34) are provided with two groups, and the two groups of rotating cylinders (33) and the screw rods (34) are symmetrically distributed on two sides of the motor (31).

7. The flexible graphite bipolar plate molding apparatus of claim 5, wherein: the motor (31) is connected with two groups of rotary drums (33) through a transmission belt (32), bearings are arranged at the positions corresponding to the supporting clamps (35) at the two ends of the rotary drums (33), and the rotary drums (33) are connected with the supporting clamps (35) through the bearings.

8. The flexible graphite bipolar plate molding apparatus of claim 5, wherein: the rotary drum (33) is provided with a nut pair at a position corresponding to the screw rod (34), the rotary drum (33) is connected with the screw rod (34) through the nut pair, and one end of the screw rod (34) is connected with the cushion block (37).