CN216845349U - Graphite polar plate production equipment integrating vacuum drying and hot-pressing shaping functions - Google Patents
Graphite polar plate production equipment integrating vacuum drying and hot-pressing shaping functions Download PDFInfo
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- CN216845349U CN216845349U CN202123066891.5U CN202123066891U CN216845349U CN 216845349 U CN216845349 U CN 216845349U CN 202123066891 U CN202123066891 U CN 202123066891U CN 216845349 U CN216845349 U CN 216845349U
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Abstract
The utility model provides a graphite polar plate production device integrating vacuum drying and hot-pressing shaping functions, which comprises a vacuum heating cavity, a driving shaft, a servo motor, a lifting plate, a horizontal supporting plate and a cooling air blowing port; two sides of the vacuum heating chamber are provided with cabin doors; the driving shaft extends into the vacuum heating chamber, half-tooth gears are arranged on the driving shaft in the vacuum heating chamber at equal intervals, and racks are respectively meshed and connected to two sides of each half-tooth gear; one end of the driving shaft extending out of the vacuum heating chamber is connected with the servo motor; the lifting plates are distributed on the upper side and the lower side of the driving shaft and are respectively connected to the half-tooth gear through a rack, and openings are formed in the two ends of each lifting plate; the horizontal supporting plates are arranged on the upper surface and the lower surface in the vacuum heating cavity and are parallel to the lifting plate, and the horizontal supporting plates have pressure detection and heating functions; the outlet of the cooling air blowing port is opened towards the two ends of the lifting plate. The utility model provides a compound graphite bipolar plate production facility inefficiency scheduling problem of tradition.
Description
Technical Field
The utility model relates to a fuel cell technical field particularly, especially relates to a graphite polar plate production facility of integrated vacuum drying and hot pressing plastic function.
Background
The graphite bipolar plate has the characteristics of strong corrosion resistance, high conductivity, low cost and the like, and is an important component of a fuel cell stack with long service life. Each bipolar plate group is formed by bonding a cathode side unipolar plate and an anode side unipolar plate, each stack is formed by stacking dozens to hundreds of bipolar plates, and flatness tolerance of each bipolar plate is cumulatively amplified, so that severe influence is caused on stack assembly force distribution, matching of the bipolar plates with membrane electrodes and the like. Composite graphite bipolar plates composed of conductive graphite particles and binder resins have been shown to be significantly thinner in recent years. The stress concentration phenomenon generated by the solidification of the bonding resin in the composite graphite bipolar plate and the defect problems of warping deformation and the like caused by the thickness reduction of the composite plate are caused by the moisture residue in the composite graphite bipolar plate, so that the bipolar plate needs to be dried and leveled, the flatness tolerance range is reduced as much as possible, and the assembly consistency is improved.
Vacuum drying and hot-pressing leveling processes in the production of the traditional composite graphite bipolar plate are mostly carried out in a step-by-step strategy, so that the problems of obvious resource waste and low efficiency exist, meanwhile, the tolerance polarization phenomenon caused by the accumulation of process defects in each step exists, and the product qualification rate of the bipolar plate is reduced.
SUMMERY OF THE UTILITY MODEL
According to the technical problems that the production equipment of the traditional composite graphite bipolar plate is low in efficiency and the like, the production equipment of the graphite polar plate integrating the vacuum drying and hot pressing shaping functions is provided.
The utility model discloses a technical means as follows:
a graphite polar plate production device integrating vacuum drying and hot-pressing shaping functions comprises a vacuum heating chamber, a driving shaft, a servo motor, a lifting plate, a horizontal supporting plate and a cooling air blowing port;
two sides of the vacuum heating chamber are provided with cabin doors;
the driving shaft extends into the vacuum heating chamber, half-tooth gears are equidistantly mounted on the driving shaft positioned in the vacuum heating chamber, and two sides of each half-tooth gear are respectively connected with racks in a meshed manner; one end of the driving shaft extending out of the vacuum heating chamber is connected with the servo motor;
the lifting plates are distributed on the upper side and the lower side of the driving shaft and are respectively connected to the half-tooth gear through one rack, and openings are formed in the two ends of each lifting plate;
the horizontal supporting plates are arranged on the upper surface and the lower surface in the vacuum heating cavity and are parallel to the lifting plate, and the horizontal supporting plates have pressure detection and heating functions;
and the outlet of the cooling air blowing port is opened towards the two ends of the lifting plate.
Further, the temperature in the vacuum heating chamber is not less than the temperature, and the vacuum degree is less than or equal to-Mpa.
Further, the vacuum heating chamber is also provided with a power supply port, an electronic signal port, a vacuum interface and a cooling gas port.
Further, the half-tooth gear is only reserved with the number of teeth required for ensuring the movement stroke of the lifting plate in the vertical direction.
Furthermore, the length and the width of the lifting plate are both larger than those of the processed graphite polar plate, the holes at the two ends of the lifting plate correspond to the three cavities of the processed graphite polar plate and are slightly larger than those of the processed graphite polar plate, the number of teeth of the rack meets the requirement of the number of teeth required by the movement stroke of the lifting plate in the vertical direction, the lifting plate positioned at the upper side is provided with a limiting groove for placing the graphite polar plate, and the lifting plate positioned at the lower side is a light plate.
Furthermore, the length and the width of the horizontal support plate are both larger than those of the graphite polar plate to be treated, the horizontal support plate positioned on the upper side is a light plate, and the horizontal support plate positioned on the lower side is provided with a limiting groove for placing the graphite polar plate.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model provides a graphite polar plate production facility of integrated vacuum drying and hot pressing plastic function can carry out graphite polar plate vacuum drying and hot pressing plastic simultaneously to steerable temperature rise and cooling rate more are favorable to reducing graphite polar plate warpage defect, promote the product percent of pass, more are applicable to the mass production requirement simultaneously, improve production efficiency.
Based on the reason, the utility model discloses can extensively promote in graphite bipolar plate production field.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is the structure schematic diagram of the production equipment of the utility model.
Fig. 2 is the internal structure schematic diagram of the production equipment of the present invention.
Fig. 3 is a schematic diagram of a half-tooth gear and a rack structure in the production equipment of the present invention.
In the figure: 1. a vacuum heating chamber; 11. a cabin door; 12. a power port; 13. an electronic signal port; 14. a vacuum interface; 15. a cooling gas port; 2. a drive shaft; 3. a servo motor; 4. a lifting plate; 41. an upper lifting plate; 42. a lower lifting plate; 5. a horizontal support plate; 51. an upper horizontal support plate; 52. a lower horizontal support plate; 6. a cooling air blowing port; 7. a half-tooth gear; 8. a rack; 9. graphite polar plate.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
Example 1
As shown in fig. 1-3, the utility model provides a graphite polar plate production device integrating vacuum drying and hot-pressing shaping functions, which comprises a vacuum heating chamber 1, a driving shaft 2, a servo motor 3, a lifting plate 4, a horizontal support plate 5 and a cooling air blowing port 6;
two sides of the vacuum heating chamber 1 are respectively provided with a cabin door 11, the graphite electrode plates to be processed can be filled and taken through the cabin doors, and the cabin doors 11 are provided with observation windows, so that the internal conditions can be observed conveniently;
the driving shaft 2 extends into the vacuum heating chamber 1, half-tooth gears 7 are equidistantly mounted on the driving shaft 2 in the vacuum heating chamber 1, and two sides of each half-tooth gear 7 are respectively connected with racks 8 in a meshing manner; one end of the driving shaft 2, which extends out of the vacuum heating chamber 1, is connected with the servo motor 3, and the servo motor 3 can drive the driving shaft 2 to rotate so as to drive the lifting plate 4 to lift and realize the leveling of the graphite polar plate to be treated by matching with the horizontal supporting plate 5;
the lifting plates 4 are distributed on the upper side and the lower side of the driving shaft 2 and are respectively connected to the half-tooth gear 7 through the rack 8, and openings are formed in two ends of each lifting plate 4;
the horizontal support plates 5 are arranged on the upper surface and the lower surface in the vacuum heating chamber 1 and are parallel to the lifting plate 4, and the horizontal support plates 5 have pressure detection and heating functions;
the export orientation of cooling mouth 6 of blowing 4 both ends trompils of lifter plate, the cold air that cooling mouth 6 of blowing blew blows can pass through inside 4 both ends trompils of lifter plate directly get into three chamber mouths of pending graphite polar plate and then get into graphite polar plate runner, make the graphite polar plate fully cool off, and the full size within range cooling is even.
Furthermore, the temperature in the vacuum heating chamber 1 is not less than 120 ℃, and the vacuum degree is not more than-0.1 Mpa.
Further, the half-tooth gear 7 reserves only the number of teeth necessary for securing the movement stroke of the rising and lowering plate 4 in the vertical direction, and has a characteristic of easy assembly and stroke limitation.
Further, the length and the width of lifter plate 4 all are greater than the length and the width of being handled the graphite polar plate, 4 both ends trompil of lifter plate correspond to the three chamber mouths of being handled the graphite polar plate, and slightly are greater than the three chamber mouths of being handled the graphite polar plate, the number of teeth of rack 8 satisfies the required number of teeth requirement of 4 vertical direction upward movement travel of lifter plate, lie in the upside lifter plate (last lifter plate 41) is equipped with the spacing groove that is used for placing the graphite polar plate, and the spacing groove can be used to treat the graphite polar plate spacing, promotes the flattening precision, prevents that the edge is impaired, lies in the downside the lifter plate (lower lifter plate 42) is the worn-out fur.
Further, the length and the width of the horizontal support plate 5 are both larger than those of the graphite polar plate to be processed, the horizontal support plate (upper horizontal support plate 51) positioned on the upper side is a light plate, the horizontal support plate (lower horizontal support plate 52) positioned on the lower side is provided with a limiting groove for placing the graphite polar plate, the limiting groove can be used for limiting the graphite polar plate to be processed, the leveling precision is improved, and the edge is prevented from being damaged.
Further, install pressure sensor, heating galvanic couple and temperature sensor on the horizontal support board 5, but pressure and temperature variation in the accurate control graphite polar plate flattening process prevent under-voltage/excessive pressure, the temperature crosses low/the low condition emergence of crossing excessively, influences the flattening effect.
Further, the vacuum heating chamber 1 is further provided with a power supply port 12, an electronic signal port 13, a vacuum interface 14 and a cooling gas port 15, the heating couple is powered through the power supply port 12, pressure and temperature data detected by the pressure sensor and the temperature sensor are acquired through the electronic signal port 13, vacuum equipment is adopted to adjust the vacuum degree in the vacuum heating chamber 1 through the vacuum interface 14, and cold air is introduced into the cooling air blowing port 6 through the cooling gas port 15 by using cold air supply equipment.
The working process is as follows: firstly, the cabin door 11 is opened, the graphite polar plate 9 to be processed is placed in the limiting grooves of the upper lifting plate 41 and the lower horizontal supporting plate 52, the cabin doors 11 on two sides are closed, the heating and vacuum functions are started, after the temperature and the vacuum degree in the vacuum heating chamber 1 reach set values, the servo motor 3 is started to drive the upper lifting plate 41 and the lower lifting plate 42 to move until pressure data detected by the pressure sensor reach set pressure values, the pressure is maintained for a period of time, then the heating is stopped and the normal pressure is recovered, meanwhile, cold air is blown to the graphite polar plate 9 through the cooling air blowing port 6 until the graphite polar plate 9 is completely cooled, then the servo motor 3 is started again to drive the upper lifting plate 41 and the lower lifting plate 42 to move until the lifting plate 4 and the horizontal supporting plate 5 are completely separated, the cabin doors 11 on two sides are opened, and the processed graphite polar plate 9 is taken out.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (6)
1. A graphite polar plate production device integrating vacuum drying and hot-pressing shaping functions is characterized by comprising a vacuum heating chamber (1), a driving shaft (2), a servo motor (3), a lifting plate (4), a horizontal supporting plate (5) and a cooling air blowing port (6);
two sides of the vacuum heating chamber (1) are provided with cabin doors (11);
the driving shaft (2) extends into the vacuum heating chamber (1), half-tooth gears (7) are arranged on the driving shaft (2) in the vacuum heating chamber (1) at equal intervals, and racks (8) are respectively connected to two sides of each half-tooth gear (7) in a meshing manner; one end of the driving shaft (2) extending out of the vacuum heating chamber (1) is connected with the servo motor (3);
the lifting plates (4) are distributed on the upper side and the lower side of the driving shaft (2) and are respectively connected to the half-tooth gear (7) through one rack (8), and openings are formed in the two ends of each lifting plate (4);
the horizontal supporting plates (5) are arranged on the upper surface and the lower surface inside the vacuum heating chamber (1) and are parallel to the lifting plate (4), and the horizontal supporting plates (5) have pressure detection and heating functions;
the outlet of the cooling air blowing port (6) is opened towards the two ends of the lifting plate (4).
2. The graphite electrode plate production equipment integrating the vacuum drying and hot pressing reshaping functions as claimed in claim 1, wherein the temperature in the vacuum heating chamber (1) is not less than 120 ℃, and the vacuum degree is not more than-0.1 Mpa.
3. The graphite electrode plate production equipment integrating the vacuum drying and the hot press shaping functions as claimed in claim 1, wherein the vacuum heating chamber (1) is further provided with a power supply port (12), an electronic signal port (13), a vacuum interface (14) and a cooling gas port (15).
4. The graphite polar plate production equipment integrating the vacuum drying and the hot press shaping functions as claimed in claim 1, wherein the half-tooth gear (7) is provided with only the number of teeth required for ensuring the movement stroke of the lifting plate (4) in the vertical direction.
5. The graphite pole plate production equipment integrating the vacuum drying and hot pressing reshaping functions as claimed in claim 1, wherein the length and width of the lifting plate (4) are both greater than those of the graphite pole plate to be processed, openings at two ends of the lifting plate (4) correspond to three cavities of the graphite pole plate to be processed and are slightly greater than those of the graphite pole plate to be processed, the number of teeth of the rack (8) meets the requirement of the number of teeth required by the movement stroke of the lifting plate (4) in the vertical direction, the lifting plate (4) positioned at the upper side is provided with a limiting groove for placing the graphite pole plate, and the lifting plate (4) positioned at the lower side is a light plate.
6. The graphite polar plate production equipment integrating the vacuum drying and hot pressing shaping functions as claimed in claim 1, wherein the length and width of the horizontal support plate (5) are both greater than those of the graphite polar plate to be treated, the horizontal support plate (5) positioned on the upper side is a light plate, and the horizontal support plate (5) positioned on the lower side is provided with a limiting groove for placing the graphite polar plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123066891.5U CN216845349U (en) | 2021-12-08 | 2021-12-08 | Graphite polar plate production equipment integrating vacuum drying and hot-pressing shaping functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123066891.5U CN216845349U (en) | 2021-12-08 | 2021-12-08 | Graphite polar plate production equipment integrating vacuum drying and hot-pressing shaping functions |
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| Publication Number | Publication Date |
|---|---|
| CN216845349U true CN216845349U (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123066891.5U Active CN216845349U (en) | 2021-12-08 | 2021-12-08 | Graphite polar plate production equipment integrating vacuum drying and hot-pressing shaping functions |
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| CN (1) | CN216845349U (en) |
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- 2021-12-08 CN CN202123066891.5U patent/CN216845349U/en active Active
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