CN214521463U - Automatic compression moulding device of graphite - Google Patents
Automatic compression moulding device of graphite Download PDFInfo
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- CN214521463U CN214521463U CN202120189685.4U CN202120189685U CN214521463U CN 214521463 U CN214521463 U CN 214521463U CN 202120189685 U CN202120189685 U CN 202120189685U CN 214521463 U CN214521463 U CN 214521463U
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Abstract
The utility model relates to the technical field of automatic molding devices of fuel cell molded bipolar plates, and provides an automatic graphite molding device, which comprises a rotary platform and a plurality of dies; the plurality of moulds sequentially pass through a feeding area, a mould closing and heating area, a vacuum-pumping area, a pressure waiting area, a pressing area and a mould separating and discharging area on the rotary platform; a pressing machine table board is arranged at the pressing area; a plurality of T-shaped guide rails are arranged on the table surface of the pressing machine; the automatic pressure forming device's of graphite multimode is used and can is improved production efficiency by a wide margin, saves the suppression time, and wherein the mould heating, the evacuation is most important in order to take the inside moisture of material, and gas is taken out, avoids the inside hole that produces in the suppression process, avoids the stratification phenomenon after the product suppression, through the flooding in later stage, technologies such as solidification improve product strength, gas tightness.
Description
Technical Field
The utility model relates to a fuel cell mould pressing bipolar plate automatic forming device's technical field, specificly more relate to an automatic compression moulding device of graphite.
Background
The existing expanded graphite pressing adopts a one-die one-cavity or one-die multi-cavity pressing process, normal-temperature pressing is adopted for pressing, the polar plate forming is completed through the processes of die vacuumizing, die pressing, pressure maintaining, pressure relief and the like, vacuumizing waiting time is needed in the pressing process, the vacuumizing time is different according to the size of a product, and the vacuumizing link needs certain time, so that the production speed is greatly reduced. The heating of the die is usually carried out by a dry burning pipe and an oil temperature machine, and because of more pipelines and lines, one press can only be used with one die conventionally.
Expanded graphite belongs to porous material, and adsorption efficiency is strong, in raw and other materials storage process, because of environmental factor (humidity, temperature) influence, the inside moisture and the gas that can contain of material, adopt traditional technology suppression, moisture and gas can be sealed inside the polar plate, the electric pile high temperature during operation, because of the temperature improves, liquid gasification, gas is because of reasons such as the quick inflation of temperature volume, inside gas expansion, moisture volatilizees, can lead to the inside a lot of holes that produce of product, makes the property ability reduce by a wide margin.
At the present stage, the polar plate which needs to be heated is basically made of thermoplastic or thermosetting materials, but the polar plate made of expanded graphite is molded, in the process of molding the polar plate, only compression in the Z-axis direction is needed, flow in the XY direction cannot be generated, normal-temperature pressing is basically adopted, in order to dry moisture in raw materials as much as possible, the raw materials are conventionally baked at high temperature in batches before pressing, the moisture and gas in the raw materials are dried and gasified, heating on a mold is not adopted, but in some special cases, such as rainy days or humid environment in the south, the raw materials are taken out from an oven and are subjected to compression molding, a certain time is needed, moisture in the environment can be absorbed by the raw materials again in waiting time, and therefore the significance of baking before pressing is reduced.
The automation of conventional pressing mainly adopts 2 schemes, the first is: a press fixes a die, raw materials to be pressed are put into the die through a manipulator, and then pressing is achieved, wherein the common automatic technology of bmc and smc pressing is adopted; secondly, the following steps: a2 pairs of bed dies are joined in marriage to a press, 1 pair of bed dies, go up the mould and fix on the press, the bed die is through removing the guide rail, carry it on the press mesa to fix a position through the reference column, the press carries out the compound die through the guide post of mould, because positioning accuracy problem among the transportation process causes very probably that the mould compound die in-process can't align, leads to the mould impaired, is the type of moulding plastics mould common at the press.
SUMMERY OF THE UTILITY MODEL
On the basis of the common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily without departing from the concept and the protection scope of the invention.
In order to solve the technical problem, the utility model provides an automatic graphite pressing and forming device, which comprises a rotary platform 1 and a plurality of dies; the plurality of moulds sequentially pass through a feeding area A, a mould closing and heating area B, a vacuumizing area C, a pressure waiting area D, a pressing area E and a mould separating and blanking area F on the rotary platform 1;
a press table surface 3 is arranged at the pressing area E; a plurality of T-shaped guide rails 7 are arranged on the press table surface 3; the inlet end 61 and the outlet end 62 of the T-shaped guide rail 7 are respectively provided with a conical guide opening, and the width of the T-shaped guide rail 7 is smaller than that of the conical guide opening; the bottom of the T-shaped guide rail 7 is provided with a guide rail lower ball 9, and two side walls of the T-shaped guide rail 7 are respectively provided with a guide rail side ball 8;
the die comprises an upper die 201 and a lower die 202, and a die cavity 203 is formed between the upper die 201 and the lower die 202; a mold oil cavity 205 is arranged inside the lower mold 202; a first adapter pipe 101 is arranged on one side of the upper die 201; the bottom of the lower die 202 is provided with a plurality of T-shaped supporting legs 206; the T-shaped support leg 206 just slides into the T-shaped guide 7.
As a preferred solution, a die positioning pin 5 is provided on the side of the press table 3 close to the outlet end 62.
As a preferred technical solution, an infrared sensor is arranged on the mold positioning pin 5.
As a preferable technical solution, a seal ring 204 is provided between the upper mold 201 and the lower mold 202.
As a preferred technical solution, the mold cavity 203 is connected to one end of an air line connector 111 through a first adapter 101, and the other end of the air line connector 111 is connected to a vacuum pump 121.
As a preferred technical solution, a second adapter tube 102 is arranged on one side of the lower mold 202; the mold oil cavity is connected with one end of an oil line joint 112 through a second adapter tube 102, and the other end of the oil line joint 112 is connected with an oil temperature machine 122.
As a preferable technical solution, a heating rod 33 is disposed in a mold oil cavity inside the lower mold 202, and the heating rod 33 heats the lower mold 202 through a contact connection manner.
As a preferred technical solution, a first electromagnetic valve 151 is disposed on the first adapter tube 101; a second solenoid valve 152 is arranged on the second adapter tube 102.
As a preferred technical solution, the first adapter tube 101 is connected to one end of the air path joint 111 through a first buckle 141; the air path joint 111 is connected with the first latch 141 through the first hinge 131.
As a preferable technical solution, the second adapter tube 102 is connected to the oil line connector 112 through a second clamp 142; the oil passage joint 112 is connected to the second latch 142 via the second hinge 132.
The utility model discloses it has following apparent advantage and effect to have for prior art:
the utility model provides an automatic graphite compression molding device, which is mainly used for automatic compression molding of expanded graphene, and adopts the combination of a rotary platform and a plurality of molds, and the molds can slide relatively along a feeding area, a mold closing and temperature raising area, a vacuum pumping area, a pressure waiting area, a pressing area and a mold splitting and blanking area on the rotary platform in sequence through a T-shaped guide rail; the automatic die replacing device comprises a rotary platform, a fixed station is arranged for placing raw materials, a die is rotated to a die assembly station, an upper die is assembled (pressure is not required to be applied), the die is rotated to a heating vacuumizing station, the die is heated and vacuumized, the die is rotated to a pressing station, pressing and pressure maintaining (vacuumizing at the same time), and finally pressure releasing and die splitting are carried out; this scheme adopts a mould cave or the many caves of a mould scheme, and the mesa passes through the rotatory mesa mode under the press, sets up automatic quick evacuation joint on the mesa, and automatic quick oily hot line switching connects can shorten product shaping time greatly, improves product quality. The mold is closed in advance before pressing, heated and vacuumized, the mold matching is not needed to be considered during pressing, the positioning is accurate, and errors are avoided; the automatic mould replacing device, the multiple sets of mould heating and warming devices and the multiple sets of moulds are vacuumized.
The automatic pressure forming device's of graphite multimode is used and can is improved production efficiency by a wide margin, saves the suppression time, and wherein the mould heating, the evacuation is most important in order to take the inside moisture of material, and gas is taken out, avoids the inside hole that produces in the suppression process, avoids the stratification phenomenon after the product suppression, through the flooding in later stage, technologies such as solidification improve product strength, gas tightness. In addition, this press forming device realizes automaticly, reduces oil temperature machine, cable, tracheal quick replacement, avoids circuit, pipeline alternately chaotic, improves the product percent of pass, improves product stability and product quality.
Drawings
Fig. 1 is a schematic structural diagram of an automatic graphene pressing device.
Fig. 2 is a schematic top view of a portion of an E-region graphene pressed region.
Fig. 3 is a schematic partial front view structure diagram of an E-region graphene pressing region.
FIG. 4 is a schematic structural diagram of the evacuation process of the C-zone mold.
Fig. 5 is a schematic structural diagram of the heating process of the die in the area B realized by the oil temperature machine and the second adapter tube.
FIG. 6 is a schematic structural diagram of the heating process of the B-zone mold realized by the contact connection mode of the heating rod.
The numbering notations in fig. 1-6 are explained in turn as follows:
1-a rotating platform; 21 is a first mold; 22-a second mold; 23-a third mold; 24-a fourth mold; 25-a fifth mold; 26-a sixth mold; 3-press table; 4-press column; 5-positioning the mold; 6-a conical guide port; 61-inlet end; 62-an outlet end; 7-T-shaped guide rails; 8-guide rail side balls; 9-guide rail lower ball bearing; 201-upper mould; 202-lower mould; 203-a mold cavity; 204-sealing ring; 205-a mold oil cavity; 206-T shaped support legs; 101-a first adapter tube; 102-a second adapter tube; 111-gas path joint; 112-oil line connection; 121-vacuum pump; 122-oil temperature machine; 131-a first hinge; 132-a second hinge; 141-a first catch; 142-a second clasp; 151 is a first solenoid valve; 152-a second solenoid valve; 33-a heating rod; 331-heating power supply contact zero line; 332-heating power contact firing line.
In FIG. 1, A: a feeding area; b: a mold closing temperature rising area; c: a vacuum-pumping zone; d: a pressure waiting area; e: a pressing area; f: and a die parting and blanking area.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and embodiments, but the present invention is not limited thereto.
The utility model provides an automatic graphite pressing and forming device, which comprises a rotary platform 1 and a plurality of moulds; the plurality of moulds sequentially pass through a feeding area A, a mould closing and heating area B, a vacuumizing area C, a pressure waiting area D, a pressing area E and a mould separating and blanking area F on the rotary platform 1;
a press table surface 3 is arranged at the pressing area E; a plurality of T-shaped guide rails 7 are arranged on the press table surface 3; the inlet end 61 and the outlet end 62 of the T-shaped guide rail 7 are respectively provided with a conical guide opening, and the width of the T-shaped guide rail 7 is smaller than that of the conical guide opening; the bottom of the T-shaped guide rail 7 is provided with a guide rail lower ball 9, and two side walls of the T-shaped guide rail 7 are respectively provided with a guide rail side ball 8;
forming device set up T type guide rail on rotary table face, entrance point and exit end at the press mesa set up the toper guide way respectively, can realize good location on the press on the mould, remove, even the mould T type guide rail has appeared partially some or the position is just on rotary table, the mould also can be through the fine correction of giving of toper guide way to the correct position when getting into the press mesa, realize accurate press forming more easily, the error of avoiding that can be fine.
The die comprises an upper die 201 and a lower die 202, and a die cavity 203 is formed between the upper die 201 and the lower die 202; a mold oil cavity 205 is arranged inside the lower mold 202; a first adapter pipe 101 is arranged on one side of the upper die 201; the bottom of the lower die 202 is provided with a plurality of T-shaped supporting legs 206; the T-shaped support leg 206 just slides into the T-shaped guide 7.
In some embodiments, the number of the T-shaped guide rails 7 is at least one; preferably, the number of the T-shaped guide rails is two.
In some embodiments, a die positioning pin 5 is provided on the side of the press table 3 adjacent the outlet end 62.
In some embodiments, the press table 3 is provided with press uprights 4 on both sides; the press column is used to support the press table 3.
In some embodiments, an infrared sensor is provided on the mold positioning pin 5.
The rotary platform in the forming device adopts a shaft roller mode to convey, lifts the lower ball of the guide rail and conveys the lower ball to the pressing area, the die is positioned slightly by die positioning, die assembly is realized in the die assembly heating area due to the upper die and the lower die, so that the pressing area does not need to accurately position the die, the die positioning pin is provided with an infrared sensor, the die positioning is completed, the lower ball of the guide rail falls down, and vacuumizing pressing is carried out.
In some embodiments, a sealing ring 204 is disposed between the upper mold 201 and the lower mold 202.
In some embodiments, the mold cavity 203 is connected to one end of the air line connector 111 through the first adapter tube 101, and the other end of the air line connector 111 is connected to the vacuum pump 121.
Among this forming device, forming device is in C district the fixed station in evacuation district install the vacuum pump, the vacuum pump adopts quick buckle formula to connect and carries out and be connected with the mould, the buckle is used to quick-operation joint one end, adopt the overlap joint mode with the interface of mould end, fix, when dismantling, close the solenoid valve earlier, ensure the inside vacuum of mould cavity, only need the other one end of buckle to exert pressure, both can realize the quickly separating, when mould on the carousel autogiration to evacuation mouth, through automatic (arm or other) device, connect the quick buckle formula of vacuum pump with the mould and link to each other, open the solenoid valve of mould end simultaneously, use the vacuum pump to carry out the evacuation to the mould.
In some embodiments, a side of the lower mold 202 is provided with a second adapter tube 102; the mold oil cavity is connected with one end of an oil line joint 112 through a second adapter tube 102, and the other end of the oil line joint 112 is connected with an oil temperature machine 122.
Forming device, B district mould heating intensification process is through oil temperature machine and second switching pipe mode realization, wherein, install the oil temperature machine at the fixed position of compound die heating district, oil temperature machine and mould quality are examined, adopt quick buckle formula articulate (figure 5), the buckle is used to quick-operation joint one end, adopt the overlap joint mode with the interface of mould end, fix, when dismantling, close the solenoid valve earlier, ensure the sealed of the inside oil circuit of mould cavity, only need the other one end of buckle to apply pressure, both can realize the flash separation, when mould autogiration on the carousel is to the heating port, through automatic (arm or other) device, link to each other the quick buckle formula joint of oil temperature machine with the mould, open the solenoid valve of mould end simultaneously, use the oil temperature machine to heat the mould.
In some embodiments, a heating rod 33 is disposed in the mold oil cavity inside the lower mold 202, and the heating rod 33 heats the lower mold 202 through a contact connection manner.
Forming device, B district mould heating intensification process is realized (like figure 6) through the contact connected mode of heating rod, and the whole system need not the oil temperature machine, and every mould has the hot cavity of an oil, and in the cavity was directly packed into to the heating rod, the heating rod adopted the contact connected mode, and mould autogiration on the carousel arrived the mouth that charges, and external power source and heating rod contact are through the inside cavity of heating rod heating mould, make mould rapid heating up.
In some embodiments, a first solenoid valve 151 is disposed on the first adapter tube 101; a second solenoid valve 152 is arranged on the second adapter tube 102.
In some embodiments, the first adapter tube 101 is connected to one end of the air path joint 111 by a first buckle 141; the air path joint 111 is connected with the first latch 141 through the first hinge 131.
In some embodiments, the second adapter tube 102 is connected to the oil joint 112 by a second clamp 142; the oil passage joint 112 is connected to the second latch 142 via the second hinge 132.
The experimental methods without specifying specific conditions in the following examples were selected according to the conventional methods and conditions, or according to the commercial instructions. The reagent and the raw material used in the utility model are available on the market.
Example 1
An automatic graphite compression molding device is shown in figures 1-5 and comprises a rotary platform 1 and a plurality of molds; the plurality of moulds sequentially pass through a feeding area A, a mould closing and heating area B, a vacuumizing area C, a pressure waiting area D, a pressing area E and a mould separating and blanking area F on the rotary platform 1;
a press table surface 3 is arranged at the pressing area E; 2T-shaped guide rails 7 are arranged on the press table surface 3; the inlet end 61 and the outlet end 62 of the T-shaped guide rail 7 are respectively provided with a conical guide opening, and the width of the T-shaped guide rail 7 is smaller than that of the conical guide opening; the bottom of the T-shaped guide rail 7 is provided with a guide rail lower ball 9, and two side walls of the T-shaped guide rail 7 are respectively provided with a guide rail side ball 8;
the die comprises an upper die 201 and a lower die 202, and a die cavity 203 is formed between the upper die 201 and the lower die 202; a mold oil cavity 205 is arranged inside the lower mold 202; a first adapter pipe 101 is arranged on one side of the upper die 201; the bottom of the lower die 202 is provided with 2T-shaped supporting legs 206; the T-shaped support leg 206 just slides into the T-shaped guide 7.
A die positioning pin 5 is arranged on one side of the press table 3 close to the outlet end 62.
An infrared sensor is arranged on the mould positioning pin 5.
A sealing ring 204 is arranged between the upper die 201 and the lower die 202.
The mold cavity 203 is connected with one end of the gas path joint 111 through the first adapter tube 101, and the other end of the gas path joint 111 is connected with the vacuum pump 121.
A second adapter tube 102 is arranged on one side of the lower die 202; the mold oil cavity is connected with one end of an oil line joint 112 through a second adapter tube 102, and the other end of the oil line joint 112 is connected with an oil temperature machine 122.
A first electromagnetic valve 151 is arranged on the first adapter tube 101; a second solenoid valve 152 is arranged on the second adapter tube 102.
The first adapter tube 101 is connected with one end of the air path joint 111 through a first buckle 141; the air path joint 111 is connected with the first latch 141 through the first hinge 131.
The second adapter tube 102 is connected with the oil line connector 112 through a second clamp 142; the oil passage joint 112 is connected to the second latch 142 via the second hinge 132.
Example 2
An automatic graphite compression molding device is shown in figures 1-4 and 6 and comprises a rotary platform 1 and a plurality of molds; the plurality of moulds sequentially pass through a feeding area A, a mould closing and heating area B, a vacuumizing area C, a pressure waiting area D, a pressing area E and a mould separating and blanking area F on the rotary platform 1;
a press table surface 3 is arranged at the pressing area E; 2T-shaped guide rails 7 are arranged on the press table surface 3; the inlet end 61 and the outlet end 62 of the T-shaped guide rail 7 are respectively provided with a conical guide opening, and the width of the T-shaped guide rail 7 is smaller than that of the conical guide opening; the bottom of the T-shaped guide rail 7 is provided with a guide rail lower ball 9, and two side walls of the T-shaped guide rail 7 are respectively provided with a guide rail side ball 8;
the die comprises an upper die 201 and a lower die 202, and a die cavity 203 is formed between the upper die 201 and the lower die 202; a mold oil cavity 205 is arranged inside the lower mold 202; a first adapter pipe 101 is arranged on one side of the upper die 201; the bottom of the lower die 202 is provided with 2T-shaped supporting legs 206; the T-shaped support leg 206 just slides into the T-shaped guide 7.
A die positioning pin 5 is arranged on one side of the press table 3 close to the outlet end 62.
An infrared sensor is arranged on the mould positioning pin 5.
A sealing ring 204 is arranged between the upper die 201 and the lower die 202.
The mold cavity 203 is connected with one end of the gas path joint 111 through the first adapter tube 101, and the other end of the gas path joint 111 is connected with the vacuum pump 121.
A heating rod 33 is arranged in a mold oil cavity inside the lower mold 202, and the heating rod 33 heats the lower mold 202 in a contact connection mode.
The first adapter tube 101 is provided with a first solenoid valve 151.
The first adapter tube 101 is connected with one end of the air path joint 111 through a first buckle 141; the air path joint 111 is connected with the first latch 141 through the first hinge 131.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. An automatic graphite compression molding device is characterized by comprising a rotary platform (1) and a plurality of molds; the plurality of moulds sequentially pass through a feeding area (A), a mould closing and temperature raising area (B), a vacuumizing area (C), a pressure waiting area (D), a pressing area (E) and a mould separating and blanking area (F) on the rotary platform (1);
a press table board (3) is arranged at the pressing area (E); a plurality of T-shaped guide rails (7) are arranged on the press table surface (3); the inlet end (61) and the outlet end (62) of the T-shaped guide rail (7) are respectively provided with a conical guide opening, and the width of the T-shaped guide rail (7) is smaller than that of the conical guide opening; guide rail lower balls (9) are arranged at the bottom of the T-shaped guide rail (7), and guide rail side balls (8) are respectively arranged on two side walls of the T-shaped guide rail (7);
the die comprises an upper die (201) and a lower die (202), and a die cavity (203) is formed between the upper die (201) and the lower die (202); a mold oil cavity (205) is arranged in the lower mold (202); a first adapter tube (101) is arranged on one side of the upper die (201); the bottom of the lower die (202) is provided with a plurality of T-shaped supporting legs (206); the T-shaped support leg (206) just slides into the T-shaped guide rail (7).
2. The automated graphite compression molding apparatus of claim 1, wherein the press table (3) is provided with a mold positioning pin (5) on a side thereof adjacent to the outlet end (62).
3. The automated graphite compression molding apparatus of claim 2, wherein the mold positioning pin (5) is provided with an infrared sensor.
4. The automated graphite compression molding apparatus of claim 1, wherein a seal ring (204) is disposed between the upper mold (201) and the lower mold (202).
5. The automatic graphite compression molding device according to claim 1, wherein the mold cavity (203) is connected with one end of an air path joint (111) through a first adapter tube (101), and the other end of the air path joint (111) is connected with a vacuum pump (121).
6. The automated graphite compression molding apparatus of claim 1, wherein a second adapter tube (102) is provided on one side of the lower mold (202); the die oil cavity is connected with one end of an oil way connector (112) through a second adapter tube (102), and the other end of the oil way connector (112) is connected with an oil temperature machine (122).
7. The automated graphite compression molding apparatus according to any one of claims 1 to 5, wherein a heating rod (33) is provided in the mold oil chamber inside the lower mold (202), and the heating rod (33) heats the lower mold (202) by means of contact connection.
8. The automated graphite compression molding apparatus of claim 6, wherein the first adapter tube (101) is provided with a first solenoid valve (151); and a second electromagnetic valve (152) is arranged on the second adapter tube (102).
9. The automatic graphite compression molding device according to claim 5, wherein the first adapter tube (101) is connected with one end of the air passage joint (111) through a first buckle (141); the air path joint (111) is connected with the first buckle (141) through a first hinge (131).
10. The automatic graphite compression molding device according to claim 6, wherein the second adapter tube (102) is connected with the oil passage joint (112) through a second buckle (142); the oil way joint (112) is connected with the second buckle (142) through a second hinge (132).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120189685.4U CN214521463U (en) | 2021-01-22 | 2021-01-22 | Automatic compression moulding device of graphite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120189685.4U CN214521463U (en) | 2021-01-22 | 2021-01-22 | Automatic compression moulding device of graphite |
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| Publication Number | Publication Date |
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| CN214521463U true CN214521463U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120189685.4U Active CN214521463U (en) | 2021-01-22 | 2021-01-22 | Automatic compression moulding device of graphite |
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| CN (1) | CN214521463U (en) |
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- 2021-01-22 CN CN202120189685.4U patent/CN214521463U/en active Active
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