CN115056453B - Plastic plate extrusion device for insulating end plate of hydrogen fuel cell stack - Google Patents
Plastic plate extrusion device for insulating end plate of hydrogen fuel cell stack Download PDFInfo
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- CN115056453B CN115056453B CN202210788370.0A CN202210788370A CN115056453B CN 115056453 B CN115056453 B CN 115056453B CN 202210788370 A CN202210788370 A CN 202210788370A CN 115056453 B CN115056453 B CN 115056453B
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- feeding
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- supporting platform
- circular plate
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- 238000001125 extrusion Methods 0.000 title claims abstract description 35
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 16
- 239000001257 hydrogen Substances 0.000 title claims abstract description 16
- 239000000446 fuel Substances 0.000 title claims abstract description 15
- 239000004033 plastic Substances 0.000 title claims abstract description 13
- 229920003023 plastic Polymers 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 238000002844 melting Methods 0.000 claims abstract description 27
- 230000008018 melting Effects 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims abstract description 11
- 230000000670 limiting effect Effects 0.000 claims description 33
- 238000009413 insulation Methods 0.000 claims description 2
- 239000002985 plastic film Substances 0.000 claims 2
- 230000009471 action Effects 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 11
- 239000012768 molten material Substances 0.000 abstract description 6
- 238000012958 reprocessing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/252—Drive or actuation means; Transmission means; Screw supporting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/297—Feeding the extrusion material to the extruder at several locations, e.g. using several hoppers or using a separate additive feeding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Retarders (AREA)
Abstract
The invention discloses a plastic plate extrusion device for an insulating end plate of a hydrogen fuel cell stack, which comprises a supporting platform and an extrusion mechanism arranged on the supporting platform, wherein a transmission mechanism is arranged on the supporting platform; the transmission mechanism comprises a transmission shell arranged on the supporting platform, a belt pulley is arranged in the transmission shell, a rotating end is arranged on the belt pulley, and the transmission mechanism further comprises a power mechanism arranged on the rotating end; the plastic plate extrusion device for the insulating end plate of the hydrogen fuel cell stack is characterized in that the plastic plate extrusion device is arranged in the feeding end, the melting end and the extrusion end on the single screw rod are kept to rotate at the same speed through the power mechanism, the feeding end is properly changed in rotation speed under the action of the speed change mechanism, the speed change mechanism accelerates the rotation speed of the feeding end at the moment, according to the principle that the rotation speed is increased, the pressure of materials in the shell is increased and the extrusion speed is increased, and molten materials can enter the melting end for reprocessing.
Description
Technical Field
The invention relates to the technical field of plate extrusion, in particular to a plastic plate extrusion device for an insulating end plate of a hydrogen fuel cell stack.
Background
The hydrogen fuel cell is a power generation device for directly converting chemical energy existing in fuel and oxidant into electric energy through electrochemical reaction, and has the advantages of high energy conversion efficiency, high energy density, low vibration noise, zero emission and the like. Because the space and the weight of the automobile are limited, the battery module is required to occupy small space and have light weight, on the premise of ensuring the overall structure of the battery module to be compact, each part on the battery module is required to be as light as possible, the cost is low, and the high-strength high-performance insulating plastic plate is the preferred material for replacing metal;
the hydrogen fuel cell has the advantages of being renewable and available at any time, meanwhile, hydrogen is a clean and flexible energy source supporting zero-carbon energy strategy, is more powerful and energy-saving than fossil fuel, has high efficiency and almost zero emission compared with other energy sources, thereby reducing the carbon footprint, and has short hydrogen filling time and no noise pollution;
the molding process comprises a high-torque single-screw extrusion main machine, a special molding die, a tractor, a cutting machine, a die temperature machine, a feeding machine, a dryer and other auxiliary machines, and the single-screw extrusion molding has the advantages of strong pressure building capability, strong adaptability, good stability, wide application range and the like, and is almost suitable for processing all high polymer materials. Screw extruders are capable of focusing a range of chemical basic unit processes, such as solid conveying, melting, foaming, grafting, melt conveying, and pumping, onto the screw within the extruder. Compressing solid plastic particles or powder on a screw, melting and plasticizing, mixing and extruding to a forming machine head for shaping to obtain a product or semi-product;
the material conveying of the existing single screw extruder is mainly limited by friction, however, in the actual use process, the material often has incomplete melting condition due to temperature, screw rotation speed or other reasons, and the incomplete melting material cannot be put into the single screw extruder for reprocessing, and the cost of raw materials of the hydrogen fuel cell is relatively high compared with that of a common plastic plate, and when the incomplete melting material cannot be put into the extruder, the waste of resources is caused, so that the processing cost is increased.
Disclosure of Invention
The invention aims to provide a plastic plate extrusion device for an insulating end plate of a hydrogen fuel cell stack, which solves the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the plastic plate extrusion device for the hydrogen fuel cell stack insulating end plate comprises a supporting platform and an extrusion mechanism arranged on the supporting platform, wherein the extrusion mechanism comprises a motor, a transmission mechanism and a shell, the motor is arranged on the supporting platform, the transmission mechanism is arranged on the supporting platform, the shell is arranged on the supporting platform, and a single screw rod is arranged in the shell and consists of a feeding end, a melting end and an extrusion end; the transmission mechanism comprises a transmission shell arranged on the supporting platform, a belt pulley is arranged in the transmission shell, a rotating end is arranged on the belt pulley, and the transmission mechanism further comprises a power mechanism arranged on the rotating end and used for driving the single screw to rotate; the speed change mechanism is arranged inside the feeding end and used for controlling the rotating speed of the feeding end so as to accelerate the rotating speed of the feeding end under the action of the speed change mechanism, thereby being convenient for reprocessing liquid materials.
Preferably, the power mechanism comprises a disc body arranged on the rotating end, the disc body is fixedly connected with the outer part of the feeding end, a plurality of rotating shafts are arranged on the disc body, the rotating shafts are provided with circular plate bodies in parallel, the circular plate bodies are fixedly connected with the inside of the feeding end, the circular plate bodies inside the feeding end are rotationally connected with the inner wall of the circular plate bodies, the driving shaft is arranged on the circular plate bodies inside the feeding end, and the driving shaft penetrates through the inside of the feeding end and extends to the inside of the melting end to be fixedly connected with the inner wall of the melting end, so that the feeding end, the melting end and the extrusion end all keep the same speed to rotate under the action of the power mechanism.
Preferably, the speed change mechanism comprises a gear ring, a planet wheel, a sun wheel and a limiting mechanism, wherein the gear ring is arranged in the charging end and is fixedly connected with one of the circular plate bodies; the planetary gear is arranged in the gear ring, is in a meshed state with the gear ring, and is provided with a planetary connecting support; the sun gear is arranged in the gear ring and is in a meshed state with the planet gears; the limiting mechanism is arranged inside the gear ring and used for fixing the sun gear, so that the sun gear is fixed under the action of the limiting mechanism, and the rotating speed of the planet wheel and the planet connecting support is increased when the gear ring rotates.
Preferably, the limiting mechanism comprises a limiting sliding rail arranged inside the gear ring, and a plurality of roller groups used for being rotationally connected with the limiting sliding rail are arranged inside the limiting sliding rail, wherein connecting rods are arranged on the roller groups, annular magnetic pieces are arranged on the connecting rods, magnetic discs are arranged on the sun wheels, attractive force is provided for the magnetic discs on the sun wheels through the annular magnetic pieces, and therefore when the planet wheels act on the sun wheels, the attractive force is used for preventing the sun wheels from rotating, and limiting effects on the sun wheels are achieved.
Preferably, the shell is provided with a first feeding bin and a second feeding bin in parallel, the first feeding bin is located at the feeding end, and the second feeding bin is located at the feeding end so as to add liquid materials in the second feeding bin.
Preferably, the feeding end is internally and fixedly provided with a driving disc, the driving disc is provided with a clamping sleeve for sliding connection with the driving disc, the inner wall of the clamping sleeve is provided with a clamping block, and the driving shaft is provided with a clamping groove for sliding connection with the clamping block, so that the clamping sleeve can be used for adjusting the orientation position of the driving disc and the driving shaft.
Preferably, the clamping groove comprises a sliding region and a rotating region, the clamping block is in sliding connection with the sliding region, and the clamping block is in rotating connection with the rotating region, so that when the clamping block on the clamping sleeve is positioned at the sliding region, the rotating speed of the feeding end is kept consistent with that of the feeding end, and when the clamping block is positioned at the rotating region, the rotating speed of the feeding end is the same as that of the planetary connecting support.
Preferably, the planetary connection support is provided with a plurality of limiting blocks, clamping circular plates are fixedly arranged on two sides of the clamping sleeve, and a plurality of grooves are formed in one of the clamping circular plates, so that the limiting blocks can enter the grooves.
Preferably, annular magnets are arranged on the clamping circular plates, electromagnets are arranged on the inner walls of the feeding ends, the electromagnets are respectively located on one sides of the annular magnets, and the limiting block is located inside the slot under the action of the electromagnets, so that the feeding ends can be driven to rotate rapidly through the driving circular plates under the action of the limiting sleeve.
Preferably, the sun gear is rotationally connected with the driving shaft, so that the sun gear is in a fixed limiting state.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the feeding end, the melting end and the extrusion end on the single screw are kept at the same speed to rotate through the power mechanism, and the rotating speed of the feeding end is properly changed under the action of the speed changing mechanism, so that when the molten material in the feeding bin II enters the feeding end, the speed changing mechanism accelerates the rotating speed of the feeding end, and according to the principle that the rotating speed is increased, the pressure of the material in the shell is increased and the extrusion speed is increased, the molten material can enter the melting end to be reprocessed, thereby achieving the aim of recycling resources.
2. The invention is provided with the limiting mechanism, and the annular magnetic piece provides suction force for the magnetic disc on the sun gear, so that when the planet gear is meshed with the sun gear, the acting force of the planet gear on the sun gear is blocked by the suction force, and the sun gear is in a limiting and fixed state, so that the aim that the rotation speed of the planet connecting support is larger than that of the output end of the motor is fulfilled.
3. The invention is provided with the electromagnets, so that one electromagnet attracts the annular magnet on one clamping circular plate, the clamping block on the clamping sleeve enters the rotating area from the sliding area, the driving shaft and the clamping sleeve are in a rotating connection state, the limiting block is positioned in the groove at the moment, the planetary connecting support drives the clamping circular plate to rotate through the limiting block, and the feeding end is driven to synchronously rotate through the driving circular plate under the action of the clamping sleeve, so that the aim of improving the rotating speed of the feeding end is fulfilled.
Drawings
FIG. 1 is a schematic view of a single screw structure of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic diagram of the structure of the present invention;
FIG. 4 is a partial cross-sectional view of the present invention;
FIG. 5 is a schematic diagram of the power mechanism of the present invention;
FIG. 6 is a schematic view of a single screw partial structure separation of the present invention;
FIG. 7 is a schematic view of a partial structure of a transmission mechanism according to the present invention;
FIG. 8 is a schematic view of the transmission mechanism of the present invention with the drive shaft removed;
FIG. 9 is a schematic view of another angular configuration of the transmission mechanism of the present invention with the drive shaft removed;
FIG. 10 is a schematic view of a spacing mechanism according to the present invention;
FIG. 11 is a schematic view of a partial structure of the present invention;
FIG. 12 is a schematic view of the internal structure of the feed end of the present invention;
FIG. 13 is a schematic view of a partial structure of a feed end of the present invention;
FIG. 14 is another angular schematic view of a partial structure of a feed end according to the present invention;
FIG. 15 is a schematic view showing the separation of the structure of the clamping circular plate and the clamping sleeve according to the present invention;
FIG. 16 is a schematic view of a planetary connection carrier and a snap-in circular plate according to the present invention;
fig. 17 is a partially isolated schematic illustration of the present invention.
In the figure: 1-a supporting platform; 2-an extrusion mechanism; 3-single screw; 4-a power mechanism; a 5-speed change mechanism; 6-a first feeding bin; 7-a second feeding bin; 8-an electromagnet; 21-an electric motor; 22-a transmission mechanism; 23-a housing; 221-a transmission housing; 222-pulleys; 223-a rotating end; 31-a feed end; 32-a charging end; 33-melting end; 34-extrusion end; 321-drive discs; 322-clamping the sleeve; 323-clamping blocks; 324-a clamping groove; 325-glide zone; 326-a rotation zone; 327-clamping a circular plate; 328-slotting; 329-a ring magnet; 41-a disc body; 42-rotating shaft; 43-a circular plate body; 44-a drive shaft; 51-a gear ring; 52-planet wheels; 53-sun gear; 54-a limiting mechanism; 55-planetary connection support; 56-limiting blocks; 541-limiting slide rails; 542-roller set; 543-connecting rod; 544-ring magnetic; 545-magnetic disk.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-17, the present invention provides a technical solution: the utility model provides a plastics panel extrusion device for hydrogen fuel cell stack insulation end plate, this scheme has solved current in the in-service use, and the material often can appear melting incomplete condition because of reasons such as temperature, screw rod rotation rate or other, and can't throw into this melting incomplete material in single screw extruder and reprocess to easily cause the waste in the resource, this scheme carries out corresponding improvement to above-mentioned problem;
specifically, according to the principle of the single screw 3 extrusion mechanism 2: the rotating speed is increased, the pressure of the materials in the machine barrel is increased, and the extrusion rate is increased, the rotating speed in a material adding and melting area is changed, the device comprises a supporting platform 1 and an extrusion mechanism 2 arranged on the supporting platform 1, wherein the extrusion mechanism 2 comprises a motor 21, a transmission mechanism 22 and a shell 23, the motor 21 is fixedly arranged on the supporting platform 1, the transmission mechanism 22 is arranged on the supporting platform 1, the shell 23 is arranged on the supporting platform 1, a single screw 3 is arranged in the shell 23, the single screw 3 consists of a feeding end 31, a feeding end 32, a melting end 33 and an extrusion end 34, and the screw grooves of the feeding end 31 are deeper, the screw grooves of the melting end 33 and the extrusion end 34 are in a gradually shallow state, and the screw groove depth of the feeding end 32 is close to the screw groove depth of the melting end 33; wherein the transmission mechanism 22 comprises a transmission housing 221 fixedly mounted on the support platform 1, and a belt pulley 222 is mounted in the transmission housing 221, wherein the belt pulley 222 is connected with a rotating end 223, and the output end of the rotating end 223 penetrates through the inner wall of the casing 23 and extends into the casing, and the transmission mechanism further comprises: a power mechanism 4 disposed on the rotating end 223 for driving the single screw 3 to rotate; the speed change mechanism 5 is arranged inside the feeding end 32 and used for controlling the rotation speed of the feeding end 32, and further, the speed change mechanism 5 is used for changing the rotation speed of the feeding end 32 so that the rotation speed of the feeding end 32 is larger than that of other areas of the single screw 3, meanwhile, the first feeding bin 6 and the second feeding bin 7 are parallelly arranged on the shell 23, the first feeding bin 6 is positioned at the feeding end 31, and the second feeding bin 7 is positioned at the feeding end 32.
The power unit 4 in this scheme includes the disc body 41 of fixed mounting on rotating end 223, and disc body 41 and feeding end 31 outside carry out fixed connection, so that the rotating end 223 drives feeding end 31 through disc body 41 and rotates, wherein fixed mounting has a plurality of pivots 42 on disc body 41, and parallel mounting has circular plate body 43 (circular plate body 43 installs a plurality ofly on pivot 42) on pivot 42, circular plate body 43 carries out fixed connection with it in feeding end 31 inside, and circular plate body 43 and its inner wall in feeding end 32 inside rotate to be connected, this scheme is provided with one at circular plate body 43 in feeding end 32 inside, wherein install drive shaft 44 on circular plate body 43 in feeding end 32, and drive shaft 44 runs through inside feeding end 32 and extends to melting end 33 inside and carry out fixed connection with its inner wall, simultaneously, feeding end 32 both ends and melting end 33 carry out the rotation between them, thereby rotating end 223 makes feeding end 31 rotate through disc body 41, and drive shaft 44 and rotate under the effect of circular plate body 43 and 42 and carry out the synchronous rotation with its inner wall, simultaneously drive shaft 44 carries out the synchronous rotation with melting end 33 through driving shaft 33, make and drive shaft 33 rotate simultaneously between the same rotation end and melting end 33.
The speed change mechanism 5 in the scheme comprises a gear ring 51, a planet wheel 52, a sun wheel 53 and a limiting mechanism 54, wherein the gear ring 51 is arranged in the charging end 32 and is fixedly connected with one of the circular plate bodies 43 positioned in the charging end 32, so that the circular plate body 43 drives the gear ring 51 to synchronously rotate in the rotating process, and the gear ring 51 and the driving shaft 44 are not contacted;
the planetary gears 52 are arranged in the gear ring 51 and are in a meshed state with the gear ring 51, a plurality of planetary gears 52 are arranged in the gear ring 51, planetary connecting supports 55 are arranged among the planetary gears 52, each planetary connecting support 55 consists of connecting columns and a circular support, the connecting columns are respectively arranged on the planetary gears 52, and the circular support is used for connecting each connecting column; the sun gear 53 is disposed inside the ring gear 51 and is in a meshed state with the planet gears 52; the limiting mechanism 54 is arranged inside the gear ring 51 and is used for fixing the sun gear 53, meanwhile, the sun gear 53 and the driving shaft 44 are in a rotation connection relationship, and further explaining that the gear ring 51 is in a rotation state, the rotation of the planet gears 52 can be increased when the sun gear 53 is fixed, so that the rotation speed of the planet gears 52 connected with the support is increased;
the spacing mechanism 54 in this scheme includes fixed mounting in the inside spacing slide rail 541 of ring gear 51 to be provided with a plurality of gyro wheel groups 542 that are used for carrying out rotation connection with it at spacing slide rail 541 inside, wherein be connected with connecting rod 543 on gyro wheel group 542, and install annular magnetic part 544 on a plurality of connecting rods 543, and install magnetic disc 545 on sun gear 53, wherein annular magnetic part 544 provides attraction to magnetic disc 545, so that when planet wheel 52 is rotating meshing sun gear 53 in-process, planet wheel 52 can act on sun gear 53, sun gear 53 has the rotation trend, annular magnetic part 544 attracts the magnetism disc 545 on the sun gear 53 at this moment, in order to hinder the rotation trend of sun gear 53, thereby play the purpose of carrying out spacing fixed to sun gear 53.
The inside fixed mounting of charging end 32 in this scheme has drive disc 321, and install the joint sleeve 322 that is used for carrying out sliding connection with it on the drive disc 321, and install joint piece 323 at joint sleeve 322 inner wall, wherein be provided with on the drive shaft 44 be used for carrying out sliding connection's joint groove 324 with joint piece 323, wherein joint groove 324 includes sliding region 325 and rotates regional 326, carry out sliding connection between joint piece 323 and the sliding region 325, and carry out rotation connection between joint piece 323 and the region 326 of rotation, it is to be noted, the interval between the sliding region 325 inner wall is slightly less than the interval between the tip of joint piece 323, so that drive shaft 44 in the rotation process, joint groove 324 inner wall acts on joint piece 323 makes joint sleeve 322 rotate, thereby make joint sleeve 322 act on drive disc 321, drive disc 321 then drives charging end 32 and rotates in step, the rotational speed of charging end 32 is the same with the rotational speed in other regions of single screw 3 this moment.
The planetary connection support 55 is fixedly provided with a plurality of limiting blocks 56, two sides of the clamping sleeve 322 are fixedly provided with clamping circular plates 327, one of the clamping circular plates 327 is provided with a plurality of grooves 328, the other clamping circular plate 327 is not provided with a plurality of grooves 328, the clamping circular plates 327 are fixedly provided with annular magnets 329, two electromagnets 8 are arranged on the inner wall of the feeding end 32, the electromagnets 8 are respectively positioned on one side of the annular magnets 329, the two electromagnets 8 are in an attraction state to the annular magnets 329 on the clamping circular plates 327, so that the clamping blocks 323 on the clamping sleeve 322 can be driven to enter the rotating area 326 from the sliding area 325, at the moment, the driving shaft 44 and the clamping sleeve 322 are in a rotation connection state, and the limiting blocks 56 are positioned in the grooves 328, so that the planetary connection support 55 drives the clamping circular plates 327 to rotate through the limiting blocks 56, and drives the feeding end 32 to synchronously rotate under the action of the clamping sleeve 322 through the driving circular plates 321, and the purpose of improving the rotating speed of the feeding end 32 is achieved;
specifically, the motor 21 drives the single screw 3 inside the casing 23 to rotate through the transmission mechanism 22, the rotating end 223 drives the feeding end 31 and the rotating shaft 42 to rotate through the disc body 41 respectively, meanwhile, the circular plate body 43 on the rotating shaft 42 rotates synchronously along with the circular plate body 43, the circular plate body 43 in the feeding end 32 is rotationally connected with the inner wall of the circular plate body, so that the circular plate body 43 drives the driving shaft 44 to synchronously act in the process of rotating along with the rotating shaft 42, and the ring gear 51 is fixedly arranged on the circular plate body 43, so that the circular plate body 43 drives the ring gear 51 to rotate, the ring gear 51 is meshed with the planet gears 52 to rotate, the planet gears 52 can be meshed with the sun gears 53 in the rotating process, the sun gears 53 have a rotating trend, the annular magnetic piece 544 attracts the magnetic disc 545 on the sun gears 53 at the moment, the rotating trend of the sun gears 53 is blocked, the purpose of limiting and fixing the sun gears 53 is achieved, and the rotating speed of the planet gears 52 is accelerated at the moment;
if the electromagnet 8 is in a normal state, the electromagnet 8 is not electrified, the clamping block 323 on the clamping sleeve 322 is positioned in the sliding region 325, the driving shaft 44 rotates the driving disc 321 through the clamping sleeve 322, and the driving disc 321 is fixedly connected with the inner wall of the feeding end 32, so that the rotation speed of the feeding end 32 is the same as the rotation speed of other regions of the single screw 3;
if molten materials need to be added, at this moment, one electromagnet 8 attracts the annular magnet 329 to drive the clamping block 323 on the clamping sleeve 322 to enter the rotating area 326 from the sliding area 325, at this moment, the driving shaft 44 and the clamping sleeve 322 are in a rotating connection state, and the limiting block 56 is positioned in the groove 328, so that the planetary connection support 55 drives the clamping circular plate 327 to rotate through the limiting block 56, and the feeding end 32 is driven to synchronously rotate through the driving circular plate 321 under the action of the clamping sleeve 322, thereby achieving the purpose of improving the rotating speed of the feeding end 32;
when the feeding end 32 is required to be restored to the initial state, the electromagnet 8 is powered off, the other electromagnet 8 is powered on, the other annular magnet 329 is attracted, the clamping block 323 on the clamping sleeve 322 moves from the rotating area 326 to the sliding area 325, and at the moment, the driving shaft 44 drives the driving disc 321 to drive the feeding end 32 to rotate through the clamping sleeve 322, so that the rotating speed of the feeding end 32 is in the same state with that of other areas, and the purpose of reprocessing molten materials is achieved, so that the utilization rate of the molten materials is improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a plastics panel extrusion device for hydrogen fuel cell stack insulation end plate, includes supporting platform (1) and sets up extrusion mechanism (2) on supporting platform (1), extrusion mechanism (2) include motor (21), drive mechanism (22) and shell (23), motor (21) are installed on supporting platform (1) to be provided with drive mechanism (22) on supporting platform (1), and shell (23) are installed on supporting platform (1), the inside single screw (3) that is provided with of shell (23), wherein single screw (3) are by feed end (31), feed end (32), melting end (33) and extrusion end (34);
the transmission mechanism (22) comprises a transmission shell (221) arranged on the supporting platform (1), a belt pulley (222) is arranged inside the transmission shell (221), and a rotating end (223) is arranged on the belt pulley (222), and the transmission mechanism is characterized in that: further comprises:
the feeding device comprises a power mechanism (4) arranged on a rotating end (223) and used for driving a single screw (3) to rotate, wherein the power mechanism (4) comprises a disc body (41) arranged on the rotating end (223), the disc body (41) is fixedly connected with the outside of a feeding end (31), a plurality of rotating shafts (42) are arranged on the disc body (41), circular plate bodies (43) are arranged on the rotating shafts (42) in parallel, the circular plate bodies (43) are fixedly connected with the inside of the feeding end (31), the circular plate bodies (43) inside the feeding end (32) are rotatably connected with the inner wall of the circular plate bodies, a driving shaft (44) is arranged on the circular plate bodies (43) inside the feeding end (32), and the driving shaft (44) penetrates through the inside of the feeding end (32) and extends to the inside of the melting end (33) to be fixedly connected with the inner wall of the melting end (33);
the speed change mechanism (5) is arranged in the charging end (32) and used for controlling the rotation speed of the charging end (32); the speed change mechanism (5) comprises a gear ring (51), a planet wheel (52), a sun wheel (53) and a limiting mechanism (54), wherein the gear ring (51) is arranged in the charging end (32) and is fixedly connected with one of the circular plate bodies (43); the planet wheel (52) is arranged in the gear ring (51), is in a meshed state with the gear ring (51), and is provided with a planet connecting support (55); the sun gear (53) is arranged in the gear ring (51) and is in a meshed state with the planet gears (52); the limiting mechanism (54) is arranged in the gear ring (51) and is used for fixing the sun gear (53); the limiting mechanism (54) comprises a limiting slide rail (541) arranged in the gear ring (51), a plurality of roller groups (542) used for being rotationally connected with the limiting slide rail (541) are arranged in the limiting slide rail (541), a connecting rod (543) is arranged on the roller groups (542), an annular magnetic piece (544) is arranged on the connecting rod (543), and a magnetic disc (545) is arranged on the sun gear (53); a driving disc (321) is fixedly arranged in the feeding end (32), a clamping sleeve (322) used for being in sliding connection with the driving disc (321) is arranged on the driving disc, a clamping block (323) is arranged on the inner wall of the clamping sleeve (322), and a clamping groove (324) used for being in sliding connection with the clamping block (323) is arranged on the driving shaft (44); the clamping groove (324) comprises a sliding region (325) and a rotating region (326), the clamping block (323) is in sliding connection with the sliding region (325), and the clamping block (323) is in rotating connection with the rotating region (326); a plurality of limiting blocks (56) are arranged on the planet connecting support (55), clamping circular plates (327) are fixedly arranged on two sides of the clamping sleeve (322), and a plurality of grooves (328) are formed in one clamping circular plate (327); the clamping circular plates (327) are respectively provided with a ring magnet (329), and electromagnets (8) are mounted on the inner walls of the feeding ends (32), wherein the electromagnets (8) are respectively located on one side of the ring magnets (329).
2. A plastic sheet extrusion apparatus for an insulating end plate of a hydrogen fuel cell stack according to claim 1, wherein: the feeding bin I (6) and the feeding bin II (7) are arranged on the shell (23) in parallel, the feeding bin I (6) is located at the feeding end (31), and the feeding bin II (7) is located at the feeding end (32).
3. A plastic sheet extrusion apparatus for an insulating end plate of a hydrogen fuel cell stack according to claim 1, wherein: the sun gear (53) is rotationally connected to the drive shaft (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210788370.0A CN115056453B (en) | 2022-07-06 | 2022-07-06 | Plastic plate extrusion device for insulating end plate of hydrogen fuel cell stack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210788370.0A CN115056453B (en) | 2022-07-06 | 2022-07-06 | Plastic plate extrusion device for insulating end plate of hydrogen fuel cell stack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115056453A CN115056453A (en) | 2022-09-16 |
| CN115056453B true CN115056453B (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210788370.0A Active CN115056453B (en) | 2022-07-06 | 2022-07-06 | Plastic plate extrusion device for insulating end plate of hydrogen fuel cell stack |
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| Country | Link |
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| CN (1) | CN115056453B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115056453A (en) | 2022-09-16 |
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