CN108130824B - Pulp molding equipment - Google Patents
Pulp molding equipment Download PDFInfo
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- CN108130824B CN108130824B CN201810174378.1A CN201810174378A CN108130824B CN 108130824 B CN108130824 B CN 108130824B CN 201810174378 A CN201810174378 A CN 201810174378A CN 108130824 B CN108130824 B CN 108130824B
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- wet blank
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- 238000000465 moulding Methods 0.000 title claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 157
- 239000002002 slurry Substances 0.000 claims abstract description 59
- 238000012546 transfer Methods 0.000 claims abstract description 37
- 238000007493 shaping process Methods 0.000 claims abstract description 36
- 238000013519 translation Methods 0.000 claims description 29
- 238000007664 blowing Methods 0.000 claims description 18
- 238000007731 hot pressing Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 40
- 230000003068 static effect Effects 0.000 description 14
- 230000018044 dehydration Effects 0.000 description 11
- 238000006297 dehydration reaction Methods 0.000 description 11
- 238000007789 sealing Methods 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 229920001131 Pulp (paper) Polymers 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000012797 qualification Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J5/00—Manufacture of hollow articles by transferring sheets, produced from fibres suspensions or papier-mâché by suction on wire-net moulds, to couch-moulds
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Paper (AREA)
- Making Paper Articles (AREA)
Abstract
The invention provides pulp molding equipment, which comprises a frame, and a slurry tank, a wet blank molding mechanism, a wet blank transferring mechanism and a hot press shaping mechanism which are arranged on the frame; the slurry tank is arranged at the lower part of the frame; the wet blank forming mechanism is arranged in the slurry tank, and absorbs the slurry in the slurry tank to prepare a paper mold wet blank; the wet blank transfer mechanism is arranged above the frame corresponding to the wet blank forming mechanism and is used for transferring the paper mould wet blank on the wet blank forming mechanism to the hot press shaping mechanism, and the hot press shaping mechanism is arranged on the frame and is used for hot press shaping of the paper mould wet blank. The pulp molding equipment can be used for producing high-quality pulp molding and has high production efficiency.
Description
Technical Field
The invention relates to the field of pulp molding devices, in particular to pulp molding equipment.
Background
The pulp molding is a green environment-friendly product which is prepared by taking plant fiber pulp or waste paper which can be completely recycled as a base material, is widely used in the fields of food and medicine holding, electric appliance packaging, planting and seedling raising, medical utensils, artware base blanks, and easily broken product liner packaging, and the like, and is the best substitute product of the current foam plastic products.
The existing pulp molding manufacturing method is that pulp wet blanks are produced through pulp wet blank production equipment, then production staff uses hot press shaping equipment or a natural sun drying method to dehydrate and shape the pulp wet blanks, but with the development of society, the consumption of residents is improved, the demand of pulp molding is continuously increased, and the traditional pulp molding manufacturing method has the defects of low yield, low production speed, unstable product quality and the like, and cannot adapt to the huge demand of the current manufacturing industry on pulp molding, so that the field of pulp molding forming devices which can be used for producing high-quality pulp molding and have high production efficiency is needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide pulp molding equipment which can be used for producing high-quality pulp molding and has high production efficiency.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the pulp molding equipment comprises a frame, a slurry tank arranged on the frame, a wet blank molding mechanism, a wet blank transferring mechanism and a hot press shaping mechanism; the slurry tank is arranged at the lower part of the frame; the wet blank forming mechanism is arranged in the slurry tank, and absorbs the slurry in the slurry tank to prepare a paper mold wet blank; the wet blank transfer mechanism is arranged above the frame corresponding to the wet blank forming mechanism and is used for transferring the paper mould wet blank on the wet blank forming mechanism to the hot press shaping mechanism, and the hot press shaping mechanism is arranged on the frame and is used for hot press shaping of the paper mould wet blank.
Compared with the prior art, the pulp molding equipment is provided with the wet blank molding mechanism and the hot press shaping mechanism, and can complete all production steps of pulp molding, so that the production speed of pulp molding is improved, and the mass production of pulp molding is realized; in addition, the pulp molding equipment realizes the production line of pulp molding, saves manpower resources, greatly reduces the production cost, and is suitable for large-scale popularization and use.
Preferably, the hot press shaping mechanism comprises a vacuum suction device, a push mechanism, a translation mechanism and at least two groups of upper and lower templates; the two upper templates are arranged on the frame through the translation mechanism, and can synchronously and horizontally move along the arrangement direction of the translation mechanism; the two lower templates are correspondingly arranged on the frame through the pushing mechanism and the upper template, and can move along the vertical direction; the vacuum suction device is arranged on the two groups of upper and lower templates and is used for adsorbing and blowing out wet paper mould blanks in the upper and lower template mould cavities.
The setting mode of the hot press shaping mechanism has the following beneficial effects:
(1) The known method has the advantages that the dehydration efficiency of a single upper template and a single lower template for paper mould wet blanks in unit time is limited, the mould closing time of the upper template and the lower template is prolonged in order to ensure that the paper mould wet blanks are dehydrated sufficiently, but the hot pressing shaping time of the paper mould wet blanks is prolonged, the production efficiency of paper pulp moulding equipment is reduced, the upper template and the lower template are closed and heated for a long time, and the damage of parts and the increase of energy consumption are easy to occur; by arranging at least two upper templates and at least two lower templates on the hot-press shaping mechanism, the paper die wet blank is dehydrated for multiple times, and compared with the existing hot-press shaping equipment, the equipment can realize continuous processing of a plurality of wet film wet blanks in the same time, and has high production efficiency; in addition, the die assembly time of the upper die plate and the lower die plate of the equipment is shortened, and the energy consumption and the damage loss of parts in the hot press shaping process can be effectively reduced, so that the maintenance cost and the production cost of the equipment are reduced;
(2) The paper mould wet blank is dehydrated for multiple times, so that the problems of large shrinkage degree, serious deformation and high rejection rate caused by excessive single water loss of the paper mould wet blank can be effectively avoided;
(3) The structural strength of the paper mould wet blank and the shape accuracy of the paper mould wet blank can be effectively improved by extruding the paper mould wet blank for multiple times, so that high-quality pulp moulding is produced;
(4) Through setting up three cope match-plates at same translation mechanism to make three cope match-plates realize the setting mode of horizontal migration simultaneously, effectively simplify the inner structure of equipment, thereby reduce manufacturing cost, be convenient for later maintenance simultaneously.
Preferably, the translation mechanism comprises a horizontal driving device, an upper die fixing plate and guide pieces which are oppositely arranged at two sides of the inner end of the upper part of the frame; the upper die plate is arranged on the upper die fixing plate, and the upper die fixing plate is connected with the guide piece in a sliding way through a sliding piece; the horizontal driving device is used for driving the upper die fixing plate to slide along the length direction of the guide piece.
Preferably, the die further comprises a pressure adjusting structure, wherein the pressure adjusting structure is arranged on the frame and located above the upper die fixing plate, and the pressure adjusting structure is used for relieving impact when the upper die plate and the lower die plate are clamped.
Through set up pressure regulation structure on the cope match-plate pattern, avoid appearing when the cope match-plate pattern upwards lifts, the slider extrudees the guide, causes slider and guide impaired condition simultaneously to effectively eliminate the cope match-plate pattern with the extrusion force that the lower bolster produced to slider and guide when the compound die, guarantee the machining precision of hot pressing plastic mechanism.
Preferably, the device further comprises a lower die fixing plate, wherein the lower die fixing plate is arranged on the ejection mechanism, and the lower die plate is arranged at the upper end of the lower die fixing plate; the pushing mechanism can drive the lower die fixing plate to move towards the upper die fixing plate so as to enable the upper die plate and the lower die plate to be clamped.
Preferably, the ejection mechanism comprises a vertical driving device, a first guiding structure and at least two groups of connecting rod mechanisms, the first guiding structure is connected with the lower die fixing plate and the frame, the lower die fixing plate can move up and down along the first guiding structure, the two groups of connecting rod mechanisms are symmetrically arranged between the lower die fixing plate and the frame, the supporting ends of the two groups of connecting rod mechanisms are respectively connected with the lower die fixing plate and the frame, the vertical driving device is arranged on the frame and is located between the two groups of connecting rod mechanisms, and the output end of the vertical driving device is connected with the power ends of the two groups of connecting rod mechanisms through a first connecting block.
The connecting rod mechanism is arranged on the ejection mechanism, so that the extrusion force generated when the lower die plate and the upper die plate are clamped can be effectively increased, and the dehydration effect and the response speed of the hot-press shaping mechanism on the wet blank of the paper die are improved; in addition, the connecting rod assembly is simple in structure, the lever principle is fully utilized, the driving device can drive the first connecting block to move in the vertical direction with the minimum output power, so that the energy consumption is reduced, the investment of production cost is reduced, meanwhile, resources are saved, and the requirement of green production is met.
Preferably, the link mechanism comprises a first link, a second link and a second connection block, wherein one end of the first link and one end of the second link, which are mutually hinged, are power ends, the other end of the first link and the other end of the second link are support ends, the two support ends are respectively connected with the lower die fixing plate and the frame, one end of the second connection block is hinged with the power end, and the other end of the second connection block is hinged with the first connection block.
Preferably, the device further comprises second guide structures, wherein at least two second guide structures are arranged, and the two second guide structures are oppositely arranged at two sides of the middle part of the first connecting block; the vertical driving device is arranged at the lower part of the frame, the vertical driving device is a driving cylinder, and the stretching end of the vertical driving device abuts against the center of the connecting block; the upper end of the lower die fixing plate is provided with an elastic piece, and the lower die plate is arranged on the lower die fixing plate through the elastic piece; through setting up the elastic component, can avoid taking place rigid collision when cope match-plate pattern and lower bolster compound die leads to cope match-plate pattern and lower bolster are impaired to reduce cost of maintenance and extension equipment's life.
Preferably, the upper template and/or the lower template are/is provided with heating elements, so that the hot press shaping mechanism can heat and dehydrate the paper mould wet blank.
Preferably, the wet blank transfer mechanism is arranged on the translation mechanism and positioned above the wet blank forming mechanism, and comprises a mounting plate, a transfer die fixing plate and a lifting structure; the mounting plate is connected with the frame through the translation mechanism, and the translation mechanism can drive the mounting plate to horizontally move on the upper part of the frame; the vacuum suction device is communicated with the transfer die fixing plate and can supply air or vacuumize the transfer die fixing plate; the lifting structure is arranged on the mounting plate, the transfer die fixing plate is arranged at the lower end of the lifting structure, and the transfer die is arranged on the transfer die fixing plate; the lifting structure can drive the transfer die fixing plate to be matched with or separated from the wet blank forming mechanism.
Drawings
FIG. 1 is a schematic illustration of the present invention;
FIG. 2 is a schematic view of a wet blank transfer mechanism;
FIG. 3 is a schematic view of an upper die plate;
FIG. 4 is an enlarged partial view of area A of FIG. 3;
FIG. 5 is a schematic view of a lower die fixing plate;
FIG. 6 is an enlarged partial view of region B of FIG. 5;
FIG. 7 is a schematic illustration of an assembly of a wet blank forming mechanism and slurry tank;
FIG. 8 is a cross-sectional view of the wet blank forming mechanism;
FIG. 9 is a schematic diagram of a slurry tank;
fig. 10 is a cross-sectional view of the slurry tank.
Description of the reference numerals:
1 frame, 3 wet blank transfer mechanism, 31 mounting plate, 32 transfer mold fixing plate, 33 lifting structure, 331 driving cylinder, 332 third guide rod, 4 wet blank forming mechanism, 40 rotating shaft connecting seat, 41 rotating shaft, 42 mold fixing mechanism, 420 air chamber, 421 mold mounting plate, 422 fixing plate, 423 inner air flow channel, 43 vacuum suction device, 431 suction pipe, 432 dewatering pipe, 433 blowing pipe, 44 rotary driving mechanism, 441 driving member, 442 driving motor, 45 static ring body, 450 first rotating shaft hole, 46 suction air chamber, 462 suction air chamber inlet, 47 dewatering air chamber, 472 dewatering air chamber inlet, 48 blowing air chamber, 482 blowing air chamber outlet, 49 dynamic ring body, 491 air flow pipe, 492 static ring body accommodating chamber, the device comprises a slurry tank 5, a tank inner cavity 50, a tank body 51, a bottom wall 52, a side wall 53, a second slurry inlet pipeline 531, a bottom plate 54, a first slurry inlet pipeline 541, a slurry homogenizing plate 542, a vertical wall 55, an overflow tank 56, a sandwich 57, a liquid pumping device 58, a 581 axial flow pump, a 582 blade, a 59 die flushing structure, an upper die fixing plate 61, a lower die fixing plate 71, a push mechanism 72, a vertical driving device 73, a first guide pillar 74, a second guide pillar 741, a 751 connecting rod mechanism 752, a first connecting rod 753, a second connecting rod 754, a first connecting block 755, a second connecting block 76, an elastic member 77 guide pillar sleeve, an 8 translation mechanism 81 guide member, a 82 sliding member, a 83 pressure adjusting structure, a buffer member 831, a fixing 832 and a horizontal driving device 84.
Detailed Description
Embodiments of the present invention are described below with reference to the accompanying drawings:
referring to fig. 1 to 10, a pulp molding apparatus of the present embodiment includes a frame 1, and a slurry tank 5, a wet blank molding mechanism 4, a wet blank transfer mechanism 3, and a hot press shaping mechanism provided on the frame 1; the slurry tank 5 is arranged at the lower part of the frame 1; the wet blank forming mechanism 4 is arranged in the slurry tank 5, and the wet blank forming mechanism 4 absorbs slurry in the slurry tank 5 to prepare a paper mold wet blank; the wet blank transfer mechanism 3 is arranged above the frame 1 corresponding to the wet blank forming mechanism 4 and is used for transferring the paper mould wet blank on the wet blank forming mechanism 4 to the hot press shaping mechanism, and the hot press shaping mechanism is arranged on the frame 1 and is used for hot press shaping of the paper mould wet blank.
The hot press shaping mechanism comprises a vacuum suction device (not shown in the figure), an ejection mechanism 72, a translation mechanism 8 and three groups of upper and lower templates (not shown in the figure); the three upper templates are arranged on the frame 1 through the translation mechanism 8, and can synchronously and horizontally move along the arrangement direction of the translation mechanism 8; three lower templates are correspondingly arranged on the frame 1 through the pushing mechanism 72 and the upper templates, and the three lower templates can move along the vertical direction; the vacuum suction device is arranged on the two groups of upper and lower templates and is used for adsorbing and blowing out wet paper mould blanks in the upper and lower template mould cavities.
The three upper templates are a first upper template, a second upper template and a third upper template respectively; the three lower templates are a first lower template, a second lower template and a third lower template respectively.
A heating element (not shown in the figure) is arranged on the upper template 6 and/or the lower template 7; the hot pressing shaping mechanism can heat and dehydrate the wet paper mould blank.
The setting mode of the hot press shaping mechanism has the following beneficial effects:
(1) The known method has the advantages that the dehydration efficiency of a single upper template and a single lower template for paper mould wet blanks in unit time is limited, the mould closing time of the upper template and the lower template is prolonged in order to ensure that the paper mould wet blanks are dehydrated sufficiently, but the hot pressing shaping time of the paper mould wet blanks is prolonged, the production efficiency of paper pulp moulding equipment is reduced, the upper template and the lower template are closed and heated for a long time, and the damage of parts and the increase of energy consumption are easy to occur; by arranging at least two upper templates and at least two lower templates on the hot-press shaping mechanism, the paper die wet blank is dehydrated for multiple times, and compared with the existing hot-press shaping equipment, the equipment can realize continuous processing of a plurality of wet film wet blanks in the same time, and has high production efficiency; in addition, the die assembly time of the upper die plate and the lower die plate of the equipment is shortened, and the energy consumption and the damage loss of parts in the hot press shaping process can be effectively reduced, so that the maintenance cost and the production cost of the equipment are reduced;
(2) The paper mould wet blank is dehydrated for multiple times, so that the problems of large shrinkage degree, serious deformation and high rejection rate caused by excessive single water loss of the paper mould wet blank can be effectively avoided;
(3) The structural strength of the paper mould wet blank and the shape accuracy of the paper mould wet blank can be effectively improved by extruding the paper mould wet blank for multiple times, so that high-quality pulp moulding is produced;
(4) Through setting up three cope match-plates at same translation mechanism 8 to make three cope match-plates realize the setting mode of horizontal migration simultaneously, effectively simplify the inner structure of equipment, thereby reduce manufacturing cost, be convenient for later maintenance simultaneously.
In actual production, the dehydration rate of a group of upper and lower templates is 20-40% in 5-10 seconds, and the paper mold wet blank needs to have a certain water content to ensure that the paper mold wet blank can be extruded and shaped; the paper mould wet blank is subjected to three hot press shaping by arranging three groups of upper and lower templates, so that the dehydration rate of the paper mould wet blank can be stabilized at 90-99%, and the qualification rate of the paper mould wet blank is improved; if only two groups of upper and lower templates are arranged, the problems of insufficient dehydration or too high dehydration speed and the like can occur; if four groups of upper and lower templates are arranged, the manufacturing cost and the energy consumption of the equipment are increased, and the generation cost is increased.
The translation mechanism 8 comprises a horizontal driving device 84, an upper die fixing plate 61 and guide pieces 81 which are oppositely arranged at two sides of the inner end of the upper part of the frame 1; the upper die plate is arranged on the upper die fixing plate 61, and the upper die fixing plate 61 is in sliding connection with the guide piece 81 through a sliding piece 82; the horizontal driving means 84 is for driving the upper die fixing plate 61 to slide in the length extending direction of the guide 81. The arrangement mode has the advantages of simple structure, low cost and convenience in production, manufacture and assembly. Specifically, the guide member 81 is a guide rail or a sliding rail, and the sliding member 82 is a pulley, a bearing or a sliding block corresponding to the guide member 81.
The device further comprises a pressure adjusting structure 83, wherein the pressure adjusting structure 83 is arranged on the frame 1 and is positioned above the upper die fixing plate 61, and the pressure adjusting structure 83 is used for relieving impact when the upper die plate 6 and the lower die plate 7 are clamped.
Specifically, the pressure adjusting structure 83 includes a plurality of buffering members 831; a fixing member 832 for fixing the guide member 81 is provided on the frame 1, and the buffer member 831 is provided on the fixing member 832 and above the guide member 81; the buffer member 831 is a bolt, and the upper portion thereof penetrates through the upper portion of the fixing member 832 and is fixed by a nut; when the upper die plate and the lower die plate are matched, the upper die plate is lifted and props against the buffer piece 831.
Through set up pressure adjustment structure 83 on the cope match-plate pattern, avoid appearing when the cope match-plate pattern upwards lifts, slider 82 extrudees guide 81, causes slider 82 and the circumstances that guide 81 is impaired simultaneously to effectively eliminate the cope match-plate pattern with the extrusion force that the lower bolster die assembly time was right slider 82 and guide 81 produced guarantees the machining precision of hot pressing plastic mechanism.
In the actual production process, the producer can adjust the height difference between the buffer 831 and the upper die plate 6 according to the actual production requirement.
The lower die fixing plate 71 is arranged on the ejection mechanism 72, and the lower die plate is arranged at the upper end of the lower die fixing plate 71; the ejector mechanism 72 may drive the lower die fixing plate 71 to move in the direction of the upper die fixing plate 61 to clamp the upper die plate 6 and the lower die plate 7.
The ejector mechanism 72 includes a vertical drive 73, a first guide structure, and at least two sets of linkages 751.
The first guide structure includes four first guide posts 74.
Four first guide posts 74 are respectively disposed at four corners of the lower die fixing plate 71, the first guide posts 74 connect the lower die fixing plate 71 with the frame 1, and the lower die fixing plate 71 can move up and down along the first guide posts 74.
Two sets of link mechanisms 751 are symmetrically arranged between the lower die fixing plate 71 and the frame 1, the supporting ends of the two sets of link mechanisms 751 are respectively connected with the lower die fixing plate 71 and the frame 1, the vertical driving device 73 is arranged on the frame 1 and positioned between the two sets of link mechanisms 751, and the output end of the vertical driving device 73 is connected with the power ends of the two sets of link mechanisms 751 through a first connecting block 754.
The set of link mechanisms 751 comprises four link mechanisms 751, each link mechanism 751 comprises a first link 752, a second link 753 and a second connection block 755, one end of the first link 752 and one end of the second link 753, which are mutually hinged, are power ends, the other end of the first link 752 and the other end of the second link 753 are supporting ends, the two supporting ends are respectively connected with the lower die fixing plate 71 and the frame 1, one end of the second connection block 755 is hinged with the power end, and the other end of the second connection block 755 is hinged with the first connection block 754.
The device further comprises second guide structures, wherein the second guide structures are second guide posts 741, at least two second guide posts 741 are arranged, and the two second guide posts 741 are oppositely arranged on two sides of the middle of the connecting block 754; the vertical driving device 73 is arranged at the lower part of the frame 1, the vertical driving device 73 is a driving cylinder, and the stretching end of the driving cylinder abuts against the center of the connecting block 754.
When the vertical driving device 73 drives the first connecting block 754 to move upwards, the second connecting block 755 pushes the power end of the second connecting rod 753, so that the power end of the first connecting rod 752 and the power end of the second connecting rod 753 extend outwards, and the lower die fixing plate 71 is lifted upwards; when the vertical driving device 73 drives the first connecting block 754 to move downward, the second connecting block 755 pulls the power end of the second connecting rod 753, so that the power end of the first connecting rod 752 and the power end of the second connecting rod 753 are stored inward, and the lower die fixing plate 71 is driven to reset downward.
An elastic piece 76 is arranged at the upper end of the lower die fixing plate 71, and the lower die plate is arranged on the lower die fixing plate 71 through the elastic piece 76; by providing the elastic member 76, rigid collision can be avoided when the upper and lower templates are clamped, which results in damage to the upper and lower templates, thereby reducing maintenance cost and prolonging the service life of the equipment.
In order to improve the stability of the first guide post 74 and the second guide post 741 during movement, a guide post sleeve 77 is sleeved outside the first guide post 74 and the second guide post 741, the first guide post 74 and the second guide post 741 can move relative to the guide post sleeve 77 respectively, and the guide post sleeve 77 is fixedly arranged on the frame 1.
The connecting rod mechanism 751 is arranged on the ejection mechanism 72, so that the extrusion force generated when the lower die plate and the upper die plate are clamped can be effectively increased, and the dehydration effect and the response speed of the hot press shaping mechanism to the wet paper die blank are improved; in addition, the link mechanism 751 has a simple structure, fully utilizes the lever principle, and enables the driving device to drive the first connecting block 754 to move in the vertical direction with minimum output power, so that the energy consumption is reduced, the investment of production cost is reduced, resources are saved, and the requirements of green production are met.
By providing the first guide post 74 and the second guide post 741, the stability of the connecting block 754 and the lower die fixing plate 71 during movement in the vertical direction can be improved, thereby ensuring that the lower die plate 7 moves in the vertical direction and improving the molding precision of the hot press shaping mechanism on the wet paper die blank.
The wet blank transfer mechanism 3 is arranged on the translation mechanism 8 and above the wet blank forming mechanism 4, and comprises a mounting plate 31, a transfer mold (not shown in the figure), a transfer mold fixing plate 32 and a lifting structure 33; the mounting plate 31 is connected with the frame 1 through the translation mechanism 8, and the translation mechanism 8 can drive the mounting plate 31 to horizontally move on the upper part of the frame 1; the vacuum suction device is communicated with the transfer mold fixing plate 32, and can supply air or vacuumize the transfer mold fixing plate 32; the lifting structure 33 is arranged on the mounting plate 31, the transfer die fixing plate 32 is arranged at the lower end of the lifting structure 33, and the transfer die is arranged on the transfer die fixing plate 32; the lifting structure 33 can drive the transfer mold fixing plate 32 to be matched with or separated from the wet blank forming mechanism 4.
Specifically, the lifting structure 33 includes a driving cylinder 331 and a third guide rod 332, the third guide rod 332 is vertically movably disposed on the mounting plate 31, and the lower end thereof is connected to the transfer mold fixing plate 32; the driving cylinder 331 is provided on the mounting plate 31, and its extension end is connected to the transfer mold fixing plate 32.
The wet blank forming mechanism 4 includes a rotating shaft 41, a die fixing mechanism 42, a wet blank die (not shown in the drawing), a vacuum suction device 43, a dynamic-static ring structure, and a rotary driving mechanism 44.
The upper part of the slurry tank 5 is provided with a rotating shaft connecting seat 40. The rotating shaft 41 is rotatably arranged on the rotating shaft connecting seat 40; the die fixing mechanism 42 is provided on the rotating shaft 41 and is rotatable with the rotating shaft 41 to enter and leave the slurry tank 5.
The rotation driving mechanism 44 is disposed at any end of the rotating shaft 41, and includes a transmission member 441 and a driving motor 442, wherein one end of the transmission member 441 is connected to an output end of the driving motor 442, and the other end is connected to a corresponding end of the rotating shaft 41; the driving motor 442 drives the rotation shaft 41 to rotate through the transmission member 441.
The dynamic and static ring structure comprises a static ring body 45 and a dynamic ring body 49; a first rotating shaft hole 450 for the rotating shaft 41 to pass through is arranged in the middle of the static ring body 45, the rotating shaft 41 can rotate relative to the static ring body 45, and a pulp sucking air cavity 46, a dewatering air cavity 47 and a blowing air cavity 48 are sequentially arranged around the first rotating shaft hole 450; the suction air chamber 46, the dehydration air chamber 47 and the blowing air chamber 48 penetrate through the outer end face and the circumferential side of the stationary ring body 45, a suction air chamber outlet (not shown in the drawing), a dehydration air chamber outlet (not shown in the drawing) and a blowing air chamber inlet (not shown in the drawing) are formed on the outer end face of the stationary ring body 45, and a suction air chamber inlet 462, a dehydration air chamber inlet 472 and a blowing air chamber outlet 482 are formed on the circumferential side of the stationary ring body 45.
The movable ring 49 is provided with a stationary ring accommodating chamber 492 which is opened outward, an inner end of the air flow pipe 491 penetrates a peripheral side of the stationary ring accommodating chamber 492, and an outer port of the air flow pipe 491 communicates with the die fixing mechanism 42.
The outer end surface of the static ring 45 is arranged in the static ring accommodating cavity 492 outwards, and the position of the air flow pipeline 491 at the inner end of the static ring accommodating cavity 492 corresponds to the positions of the pulp suction air cavity inlet 462, the dewatering air cavity inlet 472 and the air blowing air cavity outlet 482; the movable ring 49 is rotatable relative to the stationary ring 45 to allow the air flow conduit 491 to communicate with the three air chambers in sequence.
The two die fixing mechanisms 42 are provided, the two die fixing mechanisms 42 are respectively arranged on two opposite sides of the rotating shaft 41, the wet blank die is arranged on the die fixing mechanisms 42, and the die fixing mechanisms 42 are communicated with the static ring accommodating cavity 492 of the moving ring 49 through air flow channels.
The die fixing mechanism 42 includes a die mounting plate 421 for mounting the wet blank die, the middle portion of the mold mounting plate 421 is recessed inward to form the air chamber 420.
The mold mounting plate comprises a rotating shaft 41, and is characterized by further comprising two fixing plates 422, wherein two fixing plates 422 are arranged, the two fixing plates 422 are oppositely arranged at two ends of the rotating shaft 41, and two ends of the mold mounting plate 421 are fixedly connected with the two fixing plates 422 respectively.
The air flow passages include a connecting air pipe 491 and an inner air flow passage 423 provided in the mold mounting plate 421, the inner air flow passage 423 being in communication with the air chamber 420, the connecting air pipe 491 being for communicating the inner air flow passage 423 with the stationary ring-accommodating chamber 492.
A sealing structure (not shown in the figure) is arranged between the peripheral side of the static ring body 45 and the peripheral side of the static ring body accommodating cavity 92; the sealing structure comprises two sealing ring containing grooves arranged on the peripheral side of the static ring body 45 and sealing rings arranged on the two sealing ring containing grooves, the two sealing ring containing grooves are arranged on two axial sides of the pulp suction air cavity inlet 462, the dewatering air cavity inlet 472 and the air blowing air cavity outlet 482, and the two sealing rings are in sealing fit with the corresponding sealing ring containing grooves and the peripheral side of the static ring body containing cavity 92.
The pneumatic control structure includes a suction pipe 431, a dewatering pipe 432 and a blowing pipe 433.
The pulp sucking pipe 431 is communicated with the pulp sucking air cavity 46 through the outlet of the pulp sucking air cavity, and the pulp sucking pipe 431 is used for vacuumizing the pulp sucking air cavity 46.
The dewatering pipe 432 is communicated with the dewatering air chamber 47 through the dewatering air chamber outlet, and the dewatering pipe 432 is used for vacuumizing the dewatering air chamber 47.
The air blowing pipeline 433 is communicated with the air blowing cavity 48 through the air blowing cavity inlet, and the air blowing pipeline 433 is used for supplying air to the air blowing cavity 48.
The setting mode of the wet blank forming mechanism 4 has the following beneficial effects: the time of immersing the wet blank mold in the slurry tank 5 can be controlled by driving the rotating shaft 41 to intermittently rotate, so that the slurry suction time and the slurry suction amount are precisely controlled, the weight and the wall thickness of the wet blank of the paper mold are ensured to reach the standards, the forming quality of the wet blank of the paper mold is improved, the product qualification rate is further improved, the production resource is saved, and the market competitiveness of the product is improved.
The slurry tank 5 comprises a tank body 51, a first slurry inlet device and a second slurry inlet device.
The box 51 includes a bottom wall 52 and side walls 53 extending upward from the periphery of the bottom wall 52; the upper side of the bottom wall 52 is provided with a bottom plate 54, the bottom plate 54 divides the inner cavity of the box body 51 into an upper cavity 50 and a lower cavity 57, the bottom plate 54 is provided with three vertical walls 55 extending towards the upper cavity 50, an overflow groove 56 is formed between the vertical walls 55 and the side walls 53, and the overflow groove 56 is communicated with the upper cavity 50 and the lower cavity 57.
The first slurry inlet device comprises a first slurry inlet pipeline 541 and a slurry pumping device 58, wherein a slurry inlet and a slurry outlet of the first slurry inlet pipeline 541 are respectively communicated with the lower cavity 57 and the upper cavity 50; the liquid pumping device 58 comprises an axial flow pump 581, a blade 582 is arranged on the output end of the axial flow pump 581, and the output end of the axial flow pump 581 is arranged in the pulp inlet of the first pulp inlet pipeline 541.
The second pulp inlet device comprises a second pulp inlet pipeline 531, a pulp inlet of the second pulp inlet pipeline 531 is communicated with an external pulp pool, and a pulp outlet of the second pulp inlet pipeline 531 is arranged at the lower part of the side wall 53.
In operation, the external slurry tank conveys slurry to the overflow groove 56 through the second slurry inlet device, the slurry flows to the lower cavity 57, the first slurry inlet device conveys the slurry in the lower cavity 57 to the upper cavity 50, and the slurry in the upper cavity 50 flows back to the lower cavity 57 through the overflow groove 56.
The upper end of the bottom plate 54 is provided with a homogenizing plate 541, and circulation holes are uniformly distributed at positions of the homogenizing plate 541 deviated from the slurry outlet of the first slurry inlet pipeline 541.
A liquid level sensing device (not shown) is provided in the overflow tank 56, and is used for detecting the liquid level in the overflow tank 56.
The height of the side wall 53 is higher than that of the vertical wall 55, a mold flushing structure 59 is arranged at the position, higher than the vertical wall 55, of the side wall 53, and the mold flushing structure 59 is used for flushing the wet blank forming mechanism 4.
The arrangement mode of the slurry tank 5 has the following beneficial effects:
(1) The lower cavity 57 and the liquid pumping device 58 are arranged in the box body 51, so that the slurry in the slurry box 5 can realize circulating flow, the slurry concentration in the upper cavity 50 is ensured to be uniform, and the problem of unstable wet blank quality of the paper pulp is solved; the slurry concentration is uniform, so that the weight deviation between paper mould wet blanks can be effectively reduced, the uniformity of wall thickness liquid between the paper mould wet blanks is ensured, the qualification rate of products is greatly improved, resources are saved, and the market competitiveness of the products is improved;
(1) The lower cavity 57 and the first pulp feeding device are arranged in the box body 51, so that the pulp in the pulp box 5 can realize circulating flow, the concentration of the pulp in the upper cavity 50 is ensured to be uniform, the weight deviation between wet paper mould blanks can be effectively reduced, the wall thickness liquid between the wet paper mould blanks is ensured to be uniform, the qualification rate of products is greatly improved, the problem of unstable quality of the wet paper mould blanks is solved, resources are saved, and the market competitiveness of the products is improved;
(2) The slurry tank 5 realizes the circulating motion of the slurry in the tank body 51, thereby improving the utilization rate of the slurry in the tank body 51, saving resources, reducing production cost, and being relatively smaller in volume and convenient to install compared with the existing large slurry tank applied to paper mould wet blank forming equipment.
The working principle of the invention is as follows:
after the wet blank forming mechanism 4 prepares a paper mold wet blank, the wet blank transferring mechanism 3 transfers the paper mold wet blank to a first lower template, and the first lower template moves upwards to be matched with a first upper template, so that the paper mold wet blank is transferred to the first upper template; the translation mechanism 8 drives the first upper die plate to move above the second lower die plate and is matched with the second lower die plate, so that the wet paper die blank is transferred to the second lower die plate; the translation mechanism 8 drives the first upper template to reset, so that the second upper template is positioned above the second lower template; the second lower die plate moves upwards to be matched with the second upper die plate, so that the wet paper die blank is transferred to the second upper die plate; the translation mechanism 8 drives the second upper die plate to move above the third lower die plate and is matched with the third lower die plate, so that the wet paper die blank is transferred to the third lower die plate; the translation mechanism 8 drives the second upper template to reset, so that the third upper template is positioned above the third lower template; the third lower die plate moves upwards to be matched with the third upper die plate, so that a paper die wet blank is transferred to the third upper die plate, and hot press shaping of single paper pulp molding is finished; the translation mechanism 8 drives the third upper template to move towards the outer end of the frame 1, so that pulp molding is moved out of the pulp molding equipment, and the production of single pulp molding is completed; in the process, the wet blank transfer mechanism 3, the first upper template and the second upper template are all adsorbed with paper mould wet blanks, so that continuous production of pulp moulding is realized.
Compared with the prior art, the pulp molding equipment is provided with the wet blank molding mechanism 4 and the hot press shaping mechanism, and can complete all production steps of pulp molding, so that the production speed of pulp molding is improved, and mass production of pulp molding is realized; in addition, the pulp molding equipment realizes the production line of pulp molding, saves manpower resources, greatly reduces the production cost, and is suitable for large-scale popularization and use.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (9)
1. A pulp molding apparatus, characterized in that: comprises a frame, a slurry box, a wet blank forming mechanism, a wet blank transferring mechanism and a hot press shaping mechanism which are arranged on the frame;
the slurry tank is arranged at the lower part of the frame; the wet blank forming mechanism is arranged in the slurry tank, and absorbs the slurry in the slurry tank to prepare a paper mold wet blank; the wet blank transfer mechanism is arranged above the frame corresponding to the wet blank forming mechanism and is used for transferring the paper mould wet blank on the wet blank forming mechanism to the hot press forming mechanism, and the hot press forming mechanism is arranged on the frame and is used for hot press forming of the paper mould wet blank;
the hot pressing shaping mechanism comprises a vacuum suction device, a pushing mechanism, a translation mechanism and two groups of upper and lower templates;
the two upper templates are arranged on the frame through the translation mechanism, and can synchronously and horizontally move along the arrangement direction of the translation mechanism;
the two lower templates are correspondingly arranged on the frame through the pushing mechanism and the upper template, and can move along the vertical direction;
the vacuum suction device is arranged on the two groups of upper and lower templates and is used for adsorbing and blowing out wet paper mould blanks in the upper and lower template mould cavities.
2. A pulp moulding apparatus according to claim 1, characterized in that: the translation mechanism comprises a horizontal driving device, an upper die fixing plate and guide pieces which are oppositely arranged at two sides of the inner end of the upper part of the frame;
the upper die plate is arranged on the upper die fixing plate, and the upper die fixing plate is connected with the guide piece in a sliding way through a sliding piece;
the horizontal driving device is used for driving the upper die fixing plate to slide along the length direction of the guide piece.
3. A pulp moulding apparatus according to claim 2, characterized in that: the die assembly machine further comprises a pressure adjusting structure, wherein the pressure adjusting structure is arranged on the frame and located above the upper die fixing plate, and the pressure adjusting structure is used for relieving impact of the upper die plate and the lower die plate during die assembly.
4. A pulp moulding apparatus according to claim 2, characterized in that: the lower die fixing plate is arranged on the ejection mechanism, and the lower die plate is arranged at the upper end of the lower die fixing plate;
the pushing mechanism can drive the lower die fixing plate to move towards the upper die fixing plate so as to enable the upper die plate and the lower die plate to be clamped.
5. The pulp molding apparatus as defined in claim 4, wherein: the ejection mechanism comprises a vertical driving device, a first guide structure and at least two groups of connecting rod mechanisms, the first guide structure is connected with the lower die fixing plate and the frame, the lower die fixing plate can move up and down along the first guide structure, the two groups of connecting rod mechanisms are symmetrically arranged between the lower die fixing plate and the frame, the supporting ends of the two groups of connecting rod mechanisms are respectively connected with the lower die fixing plate and the frame, the vertical driving device is arranged on the frame and located between the two groups of connecting rod mechanisms, and the output end of the vertical driving device is connected with the power ends of the two groups of connecting rod mechanisms through a first connecting block.
6. The pulp molding apparatus as defined in claim 5, wherein: the connecting rod mechanism comprises a first connecting rod, a second connecting rod and a second connecting block, one end of the first connecting rod and one end of the second connecting rod, which are mutually hinged, are power ends, the other ends of the first connecting rod and the second connecting rod are supporting ends, the two supporting ends are respectively connected with the lower die fixing plate and the frame, one end of the second connecting block is hinged with the power ends, and the other end of the second connecting block is hinged with the first connecting block.
7. The pulp molding apparatus as defined in claim 5, wherein: the device also comprises second guide structures, wherein at least two second guide structures are arranged, and the two second guide structures are oppositely arranged at two sides of the middle part of the first connecting block;
the vertical driving device is arranged at the lower part of the frame, the vertical driving device is a driving cylinder, and the stretching end of the vertical driving device abuts against the center of the connecting block;
the upper end of the lower die fixing plate is provided with an elastic piece, and the lower die plate is arranged on the lower die fixing plate through the elastic piece.
8. A pulp moulding apparatus according to any of claims 1-7, characterized in that: and heating elements are arranged on the upper template and/or the lower template.
9. A pulp moulding apparatus according to claim 1, characterized in that: the wet blank transfer mechanism is arranged on the translation mechanism and is positioned above the wet blank forming mechanism, and comprises a mounting plate, a transfer die fixing plate and a lifting structure;
the mounting plate is connected with the frame through the translation mechanism, and the translation mechanism can drive the mounting plate to horizontally move on the upper part of the frame;
the vacuum suction device is communicated with the transfer die fixing plate and can supply air or vacuumize the transfer die fixing plate;
the lifting structure is arranged on the mounting plate, the transfer die fixing plate is arranged at the lower end of the lifting structure, and the transfer die is arranged on the transfer die fixing plate; the lifting structure can drive the transfer die fixing plate to be matched with or separated from the wet blank forming mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810174378.1A CN108130824B (en) | 2018-03-02 | 2018-03-02 | Pulp molding equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810174378.1A CN108130824B (en) | 2018-03-02 | 2018-03-02 | Pulp molding equipment |
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| CN108130824B true CN108130824B (en) | 2024-01-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108708226B (en) * | 2018-08-03 | 2023-12-12 | 佛山市必硕机电科技有限公司 | Pulp molding tableware production equipment |
| CN110219210B (en) | 2019-01-31 | 2024-02-27 | 浙江舒康科技有限公司 | Pulp molding production line and processing method |
| CN110216710A (en) | 2019-01-31 | 2019-09-10 | 浙江舒康科技有限公司 | A kind of transfer device and production line applied to paper mould machinery hand |
| CN110578273A (en) * | 2019-09-30 | 2019-12-17 | 浙江欧亚轻工装备制造有限公司 | Plant fiber molding vertical balance wet blank transfer method and wet blank transfer device |
| CN112681019A (en) * | 2020-12-22 | 2021-04-20 | 珠海格力智能装备有限公司 | Pulp moulding equipment |
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Address after: F1-f5, f8-f11, No.5, Yongye Road, Yundonghai street, Sanshui District, Foshan City, Guangdong Province, 528100 Patentee after: Guangdong Bishuo Intelligent Technology Co.,Ltd. Country or region after: China Address before: F1-f5, f8-f11, No.5, Yongye Road, Yundonghai street, Sanshui District, Foshan City, Guangdong Province, 528100 Patentee before: FOSHAN BESURE TECHNOLOGY CO.,LTD. Country or region before: China |