CN105951534A - Environmentally-friendly energy-saving type multilayer egg tray egg box production line - Google Patents

Environmentally-friendly energy-saving type multilayer egg tray egg box production line Download PDF

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Publication number
CN105951534A
CN105951534A CN201610465515.8A CN201610465515A CN105951534A CN 105951534 A CN105951534 A CN 105951534A CN 201610465515 A CN201610465515 A CN 201610465515A CN 105951534 A CN105951534 A CN 105951534A
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CN
China
Prior art keywords
midge
production line
drum
friendly
chain
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN201610465515.8A
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Chinese (zh)
Inventor
周斌辉
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Xiangtan Central Pulp Moulding Technology Co Ltd
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Xiangtan Central Pulp Moulding Technology Co Ltd
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Application filed by Xiangtan Central Pulp Moulding Technology Co Ltd filed Critical Xiangtan Central Pulp Moulding Technology Co Ltd
Priority to CN201610465515.8A priority Critical patent/CN105951534A/en
Publication of CN105951534A publication Critical patent/CN105951534A/en
Pending legal-status Critical Current

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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21JFIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J7/00Manufacture of hollow articles from fibre suspensions or papier-mâché by deposition of fibres in or on a wire-net mould

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Packaging Frangible Articles (AREA)

Abstract

Provided is an environmentally-friendly energy-saving type multilayer egg tray egg box production line. A pulp absorbing drum device is arranged above a pulp making trough and is in meshed transmission with a finished product transferring device through a gear, the lower portion of the finished product transferring device is connected with a finished product transferring tray, and the transferring tray is installed on a transmission chain of a conveying device. The transmission chain penetrates a drying chamber and an automatic stacking device and then returns to form a sealed product conveying belt, and one end of the drying chamber is connected with a drying device. The environmentally-friendly energy-saving type multilayer egg tray egg box production line integrates production and drying to perform full automatic production, runs stably and is safe, reliable, noiseless, free of environmental pollution and high in installation space utilization rate. The environmentally-friendly energy-saving type multilayer egg tray egg box production line is widely suitable for on-line production of a molded pulp forming supporting tool and is particularly suitable for being used by egg tray egg box production enterprises having a certain scale.

Description

A kind of environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line
Technical field
The present invention relates to paper pulp molding forming torr tool automatic producing device, particularly relate to a kind of environment-friendly and energy-efficient many layered slices of eggs torr egg carton Production line.
Background technology
Egg torr egg carton generally refers to the wrapping tool for holding the eggs such as egg, Ovum Anas domestica, and its Main Function is damping, it is simple to Transport and carry;Produce now the enterprise of egg torr egg carton typically by produce, dry separately carry out i.e. by artificial by compressing Egg torr egg carton is initially charged with on hand propelled carriage and is pushed to drying chamber again and carries out drying and processing, after the time to be dried terminates, then will Hand propelled carriage pulls out in drying chamber;Above-mentioned egg torr egg carton produces equipment and there is use operation inconvenience, automaticity relatively The problems such as participation low, artificial manpower and materials more, that put into are more, production efficiency is relatively low, for there being the large-scale of certain scale Manufacturing enterprise can not be suitable for completely, and also there is following defect: although egg torr egg carton produces or drying floor space is smaller, If but an enterprise to install a plurality of egg torr egg carton and produce or drying line, then needing to take bigger plant area with more Installing space, causes fixed assets investment big, and land resource waste is serious.
In sum, existing egg torr egg carton produces or drying line does not the most adapt to scientific and technical growth requirement.
Summary of the invention
For above-mentioned situation, the present invention provides one the most simple and compact for structure but also easily fabricated, integrates production, dries, Installing space utilization rate is high, operates steadily, safe and reliable, noiseless, and full-automatic digital technology controls, service life Long, No Assets is wasted, non-environmental-pollution, production and the environmental protection and energy saving molding torr dried quickly, quality is good, efficiency is high Tool production equipment.
For achieving the above object, a kind of environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line, it includes being arranged over of a pulping tank Midge drum device, this midge drum device is through gear and finished product transfer device engaged transmission, and this finished product transfer device bottom is even Being connected into product transfer tray, transfer tray is arranged on the driving-chain of conveyer device, and driving-chain is through drying chamber and automatic heap closed assembly Postponing and return again to the product conveyer belt that composition is closed, one end of drying chamber connects drying unit.
In order to realize structure optimization, improving, improve the combination property of the present invention, further step is: described midge rotary drum Device includes drum iron, the drum main shaft, the midge rotary drum being installed on drum main shaft center and the peace that support through drum iron Be loaded on the gear of drum main shaft one end, midge pattern is arranged at the outer surface of midge rotary drum.
Described midge pattern is connected with the vacuum distribution being arranged at midge rotary drum one end through vacuum tube, and described gear is arranged at and turns In the drum main shaft of drum support outer end, this gear and vacuum distribution are positioned at same one end of midge rotary drum.
Described midge rotary drum is hexahedro, octahedral or ten rotary drums, and the every face of midge rotary drum be arranged in parallel three rows or the midge of four rows Pattern.
Described finished product transfer device includes shifting rail mould, being arranged at the transfer rail mold shaft of axial centre and be arranged at transfer rail The cam of mold shaft one end.
Described drying unit includes connecting the burner hearth of drying chamber, being arranged at the burner of the burner hearth other end and be arranged at burner hearth The circulating fan of bottom.
Described automatic stacking device includes a rubbing board device worked asynchronously with driving-chain.
Driving-chain in described drying chamber arranges more than eight layers and every layer of driving-chain includes two parallel chains, described transfer torr Dish is arranged between two parallel chains.
Two parallel chain length of described every layer of driving-chain can arrange more than six pieces of transfer trays, and the end of two parallel chains Portion is respectively equipped with sprocket wheel.
The sprocket wheel of described two parallel chain ends uses axile displacement to arrange in same level, and described transfer tray uses Two ends dislocation mode is installed between two parallel chains.
The present invention provides a kind of environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line, and it includes pulping tank, is arranged at above pulping tank Midge drum device and finished product transfer device, the automatic stacking device being arranged at pulping tank opposite sides and drying chamber and this baking Dry chamber is connected with drying unit, conveyer device is arranged at the lower section of finished product transfer device through drying chamber and automatic stacking device Connection, vacuum distribution are arranged at one end of midge drum device;Described midge drum device is through gear and finished product transfer device Cam-engaged transmission, finished product transfer device bottom connect transfer tray, this transfer tray is arranged on the driving-chain of conveyer device Upper and be driven across drying chamber by driving-chain and automatic stacking device returns again to be circulated the technical scheme of operating, overcome existing Having egg torr egg carton production line floor space bigger, Productive statistics is big, and waste resource is serious, and observable index is higher, production efficiency Low, production cost is higher, the defect such as growth requirement the most not adapting to Dan Tuo egg carton manufacturing enterprise.
The present invention produced beneficial effect compared to existing technology:
I, one environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line of the present invention, it integrates production, dries, and uses midge Drum device and finished product transfer device engaged transmission, and with finished product transfer tray synchronous matching by pulp goods success in vat It is transferred to carry out again on product conveyer belt the technical measures of multilamellar drying, it solves tradition egg torr egg carton and produce, dry and take up an area Area is relatively big, and Productive statistics is big, and waste resource is serious, and observable index is higher, and production efficiency is low, and production cost is high, it is impossible to suitable The growth requirement of Ying Dantuo egg carton manufacturing enterprise;
II, one environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line of the present invention, overall structure is scientific and reasonable, simple, compact, Floor space ratio is little, and land resources utilization is high, and observable index is relatively low, less investment, and output is big;
III, one environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line of the present invention, overall structure is simple, compact, processing technology letter Just, manufacturing cost significantly reduces;
IV, one environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line of the present invention, operation and maintenance is simple, run safe and reliable, Steadily, noiseless, non-environmental-pollution, application is full-automatic digital control, and production efficiency is high;
V, the present invention can make full use of existing production site and carries out transforming, upgrading, and the indoor driving-chain of transformation post-drying can be many Reaching 8 layers, yield can be from 1000-3000 part/hour bring up to 20000/hour, and the speed of service of midge rotary drum is the highest Up to 80 revs/min, it is 6.4 times of the conventional types speed of service, and has saved production site, Factory Building and supporting thing Money, the energy, reduce investment outlay and reach 60%, and market potential is huge, and commercial promise is wide, is worth penetration and promotion;
VI, the sprocket wheel of driving-chain end of the present invention uses axile displacement to arrange in same level and transfer tray uses two End dislocation mode is installed, and can effectively prevent transfer tray in course of conveying and transfer tray is from upper strata driving-chain runs to Overturn during layer driving-chain, ensure that egg torr egg carton always situated in the top of transfer tray thus realizes steadily conveying;
VII, the present invention may utilize waste paper regenerated making product, has saved resource, is conducive to protecting environment;
VIII, the every face of midge rotary drum of the present invention be arranged in parallel the midge pattern of three rows or four rows, can on same equipment simultaneously The mould of different moulding article is installed, thus the equipment on the same stage that realizes produces different moulded paper pulp products simultaneously.
The present invention is applicable to online production paper pulp molding forming torr tool, is particularly suitable for having the Dan Tuo egg carton manufacturing enterprise of certain scale Use.
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the integrally-built front view of the present invention.
Fig. 2 is the side view of finished product transfer device in the present invention.
Fig. 3 is the side view of midge drum device in the present invention.
Fig. 4 is drying chamber and the side view of conveyer device in the present invention.
Fig. 5 is midge drum device and the structure for amplifying side view of finished product transfer device in the present invention.
Fig. 6 is the mounting structure top view of transfer tray in the present invention.
Fig. 7 is the mounting structure schematic diagram of drying chamber inner driving system in the present invention.
In figure: 1-vat, 2-midge drum device, 21-drum iron, 22-drum main shaft, 23-midge rotary drum, 24- Midge pattern, 25-gear, 3-conveyer device, 31-transfer tray, 311-support shaft, 32-driving-chain, 34-sprocket wheel, 4- Finished product transfer device, 41-shifts rail mold shaft, and 42-shifts rail mould, 43-cam, 5-automatic stacking device, 51-rubbing board device, 6-drying chamber, 7-drying unit, 71-burner hearth, 72-burner, 73-circulating fan, 8-vacuum distribution, 81-vacuum tube, 9-egg torr egg carton, the centre-to-centre spacing of two parallel chain end sprocket wheels of D-, the centre-to-centre spacing of H-transfer tray supported on both sides axle.
Detailed description of the invention
Seeing accompanying drawing, a kind of environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line, it includes pulping tank 1, is arranged at pulping tank 1 The midge drum device 2 of top and finished product transfer device 4, the drying chamber 6 being arranged at pulping tank 1 side and this drying chamber 6 Be connected with drying unit 7, conveyer device 3 be arranged at the lower section of finished product transfer device 4 through drying chamber 6 and with stacking automatically Device 5 connects, vacuum distribution 8 is arranged at one end of midge drum device 2;Described midge drum device 2 is through gear 25 Filling 4 cam 43 engaged transmission put with finished product transfer, finished product transfer device 4 bottom connects transfer tray 31, this transfer torr Dish 31 is arranged on the driving-chain 32 of conveyer device 3 and is driven across drying chamber 6 and automatic stacking device 5 by driving-chain 32 Return again to be circulated operating;Described automatic stacking device 5 and drying chamber 6 may be disposed at the same side of pulping tank 1, it is possible to To be arranged at the opposite sides of pulping tank 1 or adjacent both sides, it is preferably disposed on the opposite sides of pulping tank 1, is conducive to saving Installing space and simplification overall structure, thus reduce manufacturing cost further.
As it is shown in figure 1, the drying unit 7 of the present invention include connect drying chamber 6 burner hearth 71, be arranged at burner hearth 71 another End burner 72 and be arranged at the circulating fan 73 bottom burner hearth 71;Described burner 72 can produce heat energy and make Hot-air ascends in burner hearth 71, and circulating fan 73 can be used in the hot-air in burner hearth 71 is blown into drying chamber 6 Molding torr tool is dried;Described automatic stacking device 5 wraps a rubbing board device 51 worked asynchronously with driving-chain 32, when Egg torr egg carton 9 on transfer tray 31 is delivered to automatic stacking device 5 by driving-chain 32, and in the synchronization of rubbing board device 51 Coordinate to descend under egg torr egg carton 9 automatic scraping and will automatically to stack warehouse-in, and continuation driving transfer tray 31 is circulated by driving-chain 32 Operating.
As shown in Figure 2 and Figure 5, the finished product transfer device 4 of the present invention includes shifting rail mould 42, being arranged at turning of axial centre Move rail mold shaft 41 and be arranged at the cam 43 of transfer rail mold shaft 41 one end;Under the effect of cam 43, shift rail mould 42 can make reciprocating swing with transfer rail mold shaft 41 for circle center, when shifting when rail mould 42 is rocked to peak and midge rotary drum Midge pattern in 23 24 coincide, and shift when rail mould 42 is rocked to minimum point with transfer tray 31 weight on driving-chain 32 Close.
As shown in Figure 3 and Figure 5, the midge drum device 2 of the present invention includes that drum iron 21, drum main shaft 22 warp turn Drum support 21 supports two ends, is installed on the midge rotary drum 23 in the middle part of drum main shaft 22 and is installed on drum main shaft 22 one end Gear 25, midge pattern 24 be arranged at the outer surface of midge rotary drum 23;Described midge rotary drum 23 be hexahedro, octahedral or Ten rotary drums, and the every face of midge rotary drum 23 be arranged in parallel the midge pattern 24 of three rows or four rows, can be every at midge rotary drum 23 Face is installed the midge pattern 24 of like products or installs different product but the basically identical midge pattern of die boundary dimensions size 24;This structure is conducive to increasing substantially the yield of egg torr egg carton 9, the highest can be by the yield of egg torr egg carton 9 from 1000-3000 Part/hour bring up to 20000/hour;Described midge pattern 24 through vacuum tube 81 be arranged at midge rotary drum 23 one end Vacuum distribution 8 connect, described gear 25 is arranged in the drum main shaft 22 of drum iron 21 outer end, and this gear 25 are positioned at same one end of midge rotary drum 23 with vacuum distribution 8, and this structure advantageously reduces the volume of equipment, alleviates equipment Weight, simple installation is also saved installing space, is improved land utilization ratio, cost of investment is greatly reduced.
As shown in figs. 4 and 7, the driving-chain 32 in the drying chamber 6 of the present invention arranges more than eight layers and every layer of driving-chain bag Including two parallel chains, described transfer tray 31 is arranged between two parallel chains;The two of described every layer of driving-chain The length of bar parallel chain can arrange six pieces of transfer trays more than 31, and the end of two parallel chains is respectively equipped with sprocket wheel 34, The chain of the neighbouring two-layer sprocket wheel 34 through end connects as one;This structure is conducive to improving the drying of egg torr egg carton 9 Time, the running speed of midge rotary drum can be greatly improved on the premise of products quality guarantee, the highest operation speed of midge rotary drum Degree is up to 80 revs/min, and the highest running speed of conventional types is only 12.5 revs/min, and the production efficiency of the present invention is 6.4 times of conventional types.
As shown in Figure 6 and Figure 7, the sprocket wheel 34 of two parallel chain ends of the present invention uses axially in same level Dislocation is arranged, these two sprocket wheels are located in the same horizontal plane and can ensure that the setting height(from bottom) of two parallel chains is consistent;Described transfer Pallet 31 uses two ends dislocation mode to be installed between two parallel chains, typically two to transfer tray 31 width Side be respectively provided with a support shaft 311 and stretch out transfer tray 31 length direction two ends outside, and transfer tray 31 stretches out two The support shaft 311 of end portion uses dislocation mode to connect corresponding chain, the i.e. two ends of transfer tray 31 respectively to only have respectively A piece support shaft 311 is connected with chain;The mounting means that this transfer tray 31 uses two ends to misplace can prevent transfer tray 31 In course of conveying and transfer tray 31 overturns during upper strata driving-chain runs to lower floor's driving-chain, can protect Hinder egg torr egg carton 9 and always situated in the top of transfer tray 31 thus realize steadily conveying;Article two, the sprocket wheel of parallel chain end Centre-to-centre spacing D that 34 axile displacement are arranged need to keep consistent with centre-to-centre spacing H of transfer tray 31 supported on both sides axle 311, is used for Prevent transfer tray 31 from overturning during upper strata driving-chain runs to lower floor's driving-chain.
See accompanying drawing, the present invention arranges through hole on the surface of transfer tray 31, it is simple to hot-air convection, be conducive to improving The drying effect of transfer tray 31 setting egg(s) torr egg carton 9, thus improve production efficiency.
In conjunction with accompanying drawing, the operation principle of the present invention: the midge rotary drum 23 of midge drum device 2 and finished product transfer device 4 Transfer rail mould 42 is through gear 25 and cam 43 engaged transmission, and simultaneously under the effect of cam 43, transfer rail mould 42 can be around Transfer rail mold shaft 41 makees well-regulated swing;Midge rotary drum 23 can make uniform rotary motion under the drive of motor, in rotation During Zhuaning, midge rotary drum 23 is positioned in the serosity that lowermost end midge pattern 24 simultaneously immerses pulping tank 1, very Under the swabbing action of space division orchestration 8 and vacuum pump, serosity is attracted in midge pattern 24;Inhale when midge rotary drum 23 drives Slurry pattern 24 continues to rotate, and vacuum pump can continue suction and the moisture pump in serosity in midge pattern 24, works as midge When rotary drum 23 rotates to the position matched with finished product transfer device 4, midge pattern 24 is under the effect of vacuum distribution 8 Compressed air can be passed through, thus egg torr egg carton 9 is transferred on the transfer rail mould 42 of finished product transfer device 4;When finished product turns When the transfer rail mould 42 of moving device 4 continues to swing and overlap with the transfer tray 31 on driving-chain 32, egg torr egg carton 9 can Smooth and easy transfer on transfer tray 31;By circulating fan 73, burner 72 is burnt in the burner hearth 71 of drying unit 7 simultaneously The heat energy produced constantly blows in drying chamber 6, the moisture in driving-chain 32 setting egg(s) torr egg carton 9 can ceaselessly be evaporated, blown Dry;When driving-chain 32 drives the egg torr egg carton 9 on transfer tray 31 to operate from top to bottom in drying chamber 6, this egg torr Moisture in egg carton 9 can all be dried, and last driving-chain 32 can be by the egg torr egg carton 9 on transfer tray 31 through automatically Stack device 5, and by under egg torr egg carton 9 automatic scraping and automatically stack warehouse-in under the synchronous matching of rubbing board device 51.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art For Yuan, the present invention can have various modifications and variations;All within the spirit and principles in the present invention, any amendment of being made, Equivalent, improvement etc., should be included within the scope of the present invention.

Claims (10)

1. an environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line, it is characterized in that including a pulping tank is arranged over midge drum device, this midge drum device is through gear and finished product transfer device engaged transmission, this finished product transfer device bottom connects finished product transfer tray, transfer tray is arranged on the driving-chain of conveyer device, driving-chain returns again to, after drying chamber and automatic stacking device, the product conveyer belt that composition is closed, and one end of drying chamber connects drying unit.
A kind of environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line the most according to claim 1, it is characterised in that described midge drum device include drum iron, through drum iron supporting drum main shaft, be installed on the midge rotary drum at drum main shaft center and be installed on the gear of drum main shaft one end, midge pattern is arranged at the outer surface of midge rotary drum.
A kind of environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line the most according to claim 2, it is characterized in that described midge pattern is connected with the vacuum distribution being arranged at midge rotary drum one end through vacuum tube, described gear is arranged in the drum main shaft of drum iron outer end, and this gear and vacuum distribution are positioned at same one end of midge rotary drum.
A kind of environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line the most according to claim 2, it is characterised in that described midge rotary drum is hexahedro, octahedral or ten rotary drums, and the every face of midge rotary drum be arranged in parallel the midge pattern of three rows or four rows.
A kind of environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line the most according to claim 1, it is characterised in that described finished product transfer device includes shifting rail mould, being arranged at the transfer rail mold shaft of axial centre and be arranged at the cam of transfer rail mold shaft one end.
A kind of environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line the most according to claim 1, it is characterised in that described drying unit includes connecting the burner hearth of drying chamber, being arranged at the burner of the burner hearth other end and be arranged at the circulating fan of burner hearth bottom.
A kind of environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line the most according to claim 1, it is characterised in that described automatic stacking device includes a rubbing board device worked asynchronously with driving-chain.
A kind of environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line the most according to claim 1, it is characterized in that the driving-chain in described drying chamber arranges more than eight layers and every layer of driving-chain includes two parallel chains, described transfer tray is arranged between two parallel chains.
A kind of environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line the most according to claim 8, it is characterised in that two parallel chain length of described every layer of driving-chain can arrange more than six pieces of transfer trays, and the end of two parallel chains is respectively equipped with sprocket wheel.
A kind of environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line the most according to claim 9, it is characterized in that the sprocket wheel of described two parallel chain ends uses axile displacement to arrange in same level, described transfer tray uses two ends dislocation mode to be installed between two parallel chains.
CN201610465515.8A 2016-06-24 2016-06-24 Environmentally-friendly energy-saving type multilayer egg tray egg box production line Pending CN105951534A (en)

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Application Number Priority Date Filing Date Title
CN201610465515.8A CN105951534A (en) 2016-06-24 2016-06-24 Environmentally-friendly energy-saving type multilayer egg tray egg box production line

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Application Number Priority Date Filing Date Title
CN201610465515.8A CN105951534A (en) 2016-06-24 2016-06-24 Environmentally-friendly energy-saving type multilayer egg tray egg box production line

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107815931A (en) * 2017-05-19 2018-03-20 杭州百路纸品有限公司 Paper pulp model formation machine and drying all-in-one paper pulp molding forming device and method
CN107815932A (en) * 2017-05-19 2018-03-20 杭州百路纸品有限公司 A kind of production method of paper products
CN114059391A (en) * 2021-10-20 2022-02-18 滁州森沃纸质包装有限公司 Full-automatic production line for producing pulp egg tray

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CN205711564U (en) * 2016-06-24 2016-11-23 湘潭中环纸浆模塑科技有限公司 A kind of environment-friendly and energy-efficient many layered slices of eggs torr egg carton production line

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CN1215775A (en) * 1997-10-28 1999-05-05 中国包装新技术开发包宁公司 Reciprocating and rotating paper pulp moulding machine
US6210531B1 (en) * 1998-10-26 2001-04-03 Px Technologies, Ltd. Forming machines
CN2832893Y (en) * 2004-11-26 2006-11-01 Pakit国际贸易股份有限公司 Machine for making fibre products from stock
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107815931A (en) * 2017-05-19 2018-03-20 杭州百路纸品有限公司 Paper pulp model formation machine and drying all-in-one paper pulp molding forming device and method
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CN107815932B (en) * 2017-05-19 2019-11-05 杭州百路纸品有限公司 A kind of production method of paper products
CN114059391A (en) * 2021-10-20 2022-02-18 滁州森沃纸质包装有限公司 Full-automatic production line for producing pulp egg tray

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Application publication date: 20160921