CN110952384A - Mixed paper pulp molding method and automatic equipment - Google Patents
Mixed paper pulp molding method and automatic equipment Download PDFInfo
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- CN110952384A CN110952384A CN201911160686.XA CN201911160686A CN110952384A CN 110952384 A CN110952384 A CN 110952384A CN 201911160686 A CN201911160686 A CN 201911160686A CN 110952384 A CN110952384 A CN 110952384A
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- D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
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Abstract
The invention discloses a mixed paper pulp molding method, which comprises the following steps: s1, preparing slurry: uniformly mixing the raw materials and water, adding the uniformly mixed slurry into a forming die body, and forming a wet blank under the extrusion action; s2, dehydration molding: dehydrating and molding the wet blank under the pressing action of the mold assembly; s3, drying: and conveying the dehydrated and formed wet blank to drying equipment for drying. The invention also discloses an automation device for implementing the method. The invention focuses on improving the formula, the process and the equipment of the mixed paper pulp simultaneously to ensure that the paper pulp mixing forming suitable for mixing new and old paper pulp is completed, the paper pulp mixing structure is reasonable, the accurate proportioning of the sizing agent on the lower die can be fully ensured, and the product quality is stable. The invention adopts full-automatic operation to complete the work of slurry preparation, dehydration forming, drying and output, realizes the operation of a continuous production line, greatly improves the production efficiency and meets the requirement of continuous molding forming processing of large-scale products.
Description
Technical Field
The invention relates to the technical field of environment-friendly paper pulp product molding, in particular to a mixed paper pulp molding method and automatic equipment.
Background
The pulp molding product made of annual herbaceous plant fibers serving as main raw materials meets the sanitary, convenient, fast and healthy living requirements of modern society, has wide development prospect due to the characteristics of practicality, no toxicity and complete degradation and nature return after being discarded, and is an environment-friendly industry beneficial to sustainable development of social economy. However, the paper molding industry is an emerging industry, and the forming and processing technology of the product has a plurality of places to be improved and improved.
Chinese patent CN201010288448.X discloses a pulp molding vacuum extrusion low-temperature drying process and equipment, which comprise a pulp tank, a bracket, an upper die, a lower die, a first lifting driving device and a lifting frame, the paper pulp groove is arranged below the upper die, the first lifting driving device is arranged on the bracket, the top of the lifting frame is connected with the first lifting driving device, the bottom of the lifting frame is connected with the lower die, the upper die is positioned on the inner side of the lifting frame and is also positioned above the lower die, it is characterized by also comprising a guide rail seat which is fixedly arranged, a guide rail connected with the guide rail seat, a translation seat, a guide rod, a horizontal driving device and a second lifting driving device, the translation seat is movably arranged on the guide rail and is positioned at the inner side of the lifting frame, the second lifting driving device is arranged on the translation seat, the bottom of the second lifting driving device is connected with the upper die, the bottom of the guide rod is connected with the upper die, and the guide rod penetrates through the translation seat; the horizontal driving device is arranged on the guide rail seat and drives the translation seat to translate, and a stirring blade is also arranged in the pulp tank and is in transmission connection with a stirring motor positioned outside the pulp tank; the forming method comprises the following steps: the first lifting driving device drives the lower die to descend to enter the paper pulp groove, when the lower die is full of pulp, the lower die ascends under the action of the first lifting driving device to enable the lower die and the upper die to be closed, the vacuumizing device communicated with the lower die starts vacuumizing at the moment, the suction filter die is adopted as a model at the top of the lower die, paper pulp on the lower die is sucked dry under the action of the vacuumizing device, and paper fibers form wet blanks under the shaping action of the upper die and the lower die. The first lifting driving device drives the lower die to move downwards, meanwhile, compressed air is blown into the lower die to blow wet embryos upwards, the upper die is vacuumized to suck the wet embryos, the horizontal driving device works to push the translation seat to the end part of the guide rail, the second lifting driving device drives the upper die to move downwards to be close to the conveying device, and then the upper die is filled with compressed air to blow the wet embryos down to a placing frame of the conveying device; the second lifting driving device drives the upper die to return, the horizontal driving device drives the translation seat to return to perform heating of the heating channel II on the upper layer of the next wet blank sequentially through one blowing box, a plurality of single-layer heating boxes and one double-layer heating box under the conveying of the chain, then the wet blank enters the drying chamber to be heated, the chain on the lowest layer outputs dry blanks from the drying chamber, and the dry blanks are conveyed to the shaping machine for shaping manually after being heated by the heating channel II on the lower layer of the double-layer heating box.
However, in the existing molding process and apparatus technology, the above-mentioned pulp molding vacuum extrusion low-temperature drying process and apparatus can effectively control the humidity of the drying chamber, and have a good drying effect to a certain extent, but still have some disadvantages:
1. the forming of new paper pulp is only applicable, but the forming of mixed pulp of the new paper pulp and the old paper pulp cannot be applicable, the pulp mixing structure is unreasonable, the accurate proportioning of the pulp on the lower die cannot be ensured, and the product quality is influenced;
2. the drying structure is complex, the energy consumption is high, and the manufacturing cost is high;
3. the whole production efficiency is low, and the continuous molding processing of large-scale products cannot be met.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a mixed paper pulp molding method and automatic equipment, which solve the problems in the prior molding process and equipment technology by simultaneously improving the formula, the process and the equipment of the mixed paper pulp.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
a mixed pulp molding method comprises the following steps:
s1, preparing slurry: uniformly mixing new paper pulp, a regenerated paper pulp raw material and water, adding the uniformly mixed slurry into a forming die body, and forming a wet blank under the extrusion action;
s2, dehydration molding: dehydrating and molding the wet blank under the pressing action of the mold assembly;
s3, drying: conveying the dehydrated and molded wet blank to drying equipment for drying;
s4, shaping: conveying the dried dry blank to shaping equipment for shaping;
as a preferred technical solution of the present invention, a high temperature gas is introduced into the mold cavity of the mold assembly in S2.
In a preferred embodiment of the present invention, a heating element is disposed in the mold assembly in S2.
In a preferred embodiment of the present invention, the wet embryo in S3 is dried in a dynamic environment.
An automatic molding equipment for mixed paper pulp comprises a workbench, a turntable, a lower die, a pulp distribution mechanism, a molding dehydration molding mechanism, a transfer mechanism, a first conveyor belt, a drying mechanism, an auxiliary dehydration molding assembly, a second conveyor belt and a mechanical arm, the rotary table is arranged above the middle part of the workbench, the bottom of the workbench is provided with a driving mechanism for driving the rotary table to rotate intermittently at the same angle, the lower die is uniformly distributed at the top edge position of the turntable, a liquid collecting cavity is arranged in the lower die, the model cavity of the lower die is vertically communicated with the liquid collecting cavity through a liquid collecting channel, the working table is provided with a slurry preparation station, a dehydration forming station and a transfer station which correspond to the lower die, the slurry distribution mechanism, the forming dehydration forming mechanism and the transfer mechanism are distributed along the rotation direction of the turntable and sequentially correspond to the slurry distribution station, the dehydration forming station and the transfer station.
The slurry distribution mechanism is composed of a slurry distribution barrel, a first support, a first air cylinder, a slurry outlet head and a slurry discharge pipeline, wherein the slurry distribution barrel and the first support are adjacently installed on a workbench, the first air cylinder is fixedly installed on the first support, the slurry outlet head is fixedly connected to the end part of a piston rod of the first air cylinder, the slurry outlet head vertically corresponds to a lower die located on a slurry distribution station, the slurry distribution barrel is connected with the slurry outlet head through the slurry discharge pipeline, and a pneumatic valve, a slurry conveying pump and a flowmeter are sequentially connected to the slurry discharge pipeline in series.
The forming dehydration forming mechanism is composed of a second support, a second cylinder, an upper die, an air heater and an air inlet pipeline, the second support is fixedly installed on the workbench, the second cylinder is fixedly installed on the second support, the upper die is fixedly connected to the end portion of a piston rod of the second cylinder, the upper die is matched with the lower die and corresponds to the lower die from top to bottom, the air heater is fixedly installed on one side of the second support, an air cavity is formed in the upper die, an air hole communicated with the air cavity is formed in the bottom of the upper die, and the air cavity is connected with the air exhaust end of the air heater through the air inlet pipeline.
The transfer mechanism is used for transferring wet embryos in an upper die and a lower die of a transfer station to a feeding end of a first conveyor belt, the second conveyor belt is located on one side of the first conveyor belt and used for conveying an auxiliary dehydration forming assembly, the mechanical arm is used for transferring the auxiliary dehydration forming assembly located on a discharge end of the second conveyor belt to the feeding end of the first conveyor belt, the auxiliary dehydration forming assembly is used for bearing the wet embryos transferred to the first conveyor belt through the transfer mechanism, meanwhile, the auxiliary dehydration forming assembly is also used for accelerating drying of the wet embryos placed in the auxiliary dehydration forming assembly under a dynamic environment, the drying mechanism is arranged on the first conveyor belt and used for drying the wet embryos transferred by the first conveyor belt, and the dried embryos are transferred to a shaping procedure through the first conveyor belt.
As a preferable technical scheme of the invention, the top of the turntable is provided with a liquid collecting barrel which is communicated with the liquid collecting cavity through a liquid conveying pipeline, and the liquid conveying pipeline is provided with a liquid pump.
As a preferred technical scheme of the present invention, the transfer mechanism is composed of a linear guide rail, a third cylinder and a suction cup, the linear guide rail is transversely arranged above the transfer station corresponding to the turntable and above the first conveyor belt, the third cylinder is fixedly arranged at the bottom of the sliding table of the linear guide rail, and the suction cup is fixedly connected to the end of a piston rod of the third cylinder.
As a preferred technical scheme of the invention, the auxiliary dehydration forming component comprises a placing seat, a motor, a rotating shaft, a movable hammer, a flexible supporting net, an air inlet machine and an air distribution plate, wherein, a blank placing groove for placing wet blanks is arranged on the placing seat, an air inlet channel is penetrated through the side wall of the bottom end of the placing seat, the embryo placing groove is communicated with the air inlet channel up and down through a communicating channel, the air inlet machine is fixedly arranged in the communicating channel, the motor is fixedly arranged on the side wall of the placing seat, the rotating shaft is arranged in the blank placing groove and is connected with the output end of the motor, the movable hammers are arranged on the rotating shaft in a staggered manner, the flexible supporting net is transversely arranged above the rotating shaft, the length of the linear distance between the flexible supporting net and the rotating shaft is smaller than that of the movable hammer, and the air distribution plate is horizontally arranged in the embryo placing groove and at the position below the rotating shaft.
As a preferable technical scheme of the invention, the length of the linear distance between the air distribution plate and the rotating shaft is greater than the length of the movable hammer.
(III) advantageous effects
Compared with the prior art, the invention provides a mixed paper pulp molding method and automatic equipment, which have the following beneficial effects:
1. the invention mainly improves the formula, the process and the equipment of the mixed paper pulp simultaneously to ensure that the pulp mixing molding suitable for mixing new and old paper pulp is completed, the pulp mixing structure is reasonable, the accurate proportioning of the pulp on the lower die can be fully ensured, and the product quality is stable.
2. According to the mixed paper pulp molding method and the automatic equipment provided by the invention, the pneumatic valve, the pulp delivery pump and the flowmeter are sequentially connected in series on the pulp discharge pipeline, the flowmeter is used for carrying out on-line flow monitoring, and the PLC is matched to realize accurate flow control of pulp delivery and ensure the product quality.
2. The mixed paper pulp molding method and the automatic equipment have the advantages of high drying speed, good effect and simple structure by the combined configuration of the auxiliary dehydration molding assembly and the existing drying mechanism technology, and effectively reduce the drying cost on the premise of ensuring the drying effect.
3. The molding method and the automatic device for the mixed paper pulp adopt full-automatic operation to complete pulp preparation, dehydration molding, drying and output, realize continuous production line operation, greatly improve production efficiency and meet the requirement of continuous molding processing of large-scale products.
Drawings
FIG. 1 is a schematic diagram of an overall top view of the automated apparatus of the present invention;
FIG. 2 is a schematic structural view of the slurry distribution mechanism in FIG. 1;
FIG. 3 is a schematic view of the forming and dewatering mechanism of FIG. 1;
FIG. 4 is a schematic structural view of the transfer mechanism in FIG. 1;
FIG. 5 is a schematic view of the secondary dewatering forming assembly of FIG. 1.
In the figure: 1. a work table; 2. a turntable; 3. a lower die; 4. a slurry preparation mechanism; 401. a pulp mixing barrel; 402. a first bracket; 403. a first cylinder; 404. discharging the pulp head; 405. a slurry discharge pipe; 5. a forming dehydration forming mechanism; 501. a second bracket; 502. a second cylinder; 503. an upper die; 504. a hot air blower; 505. an air inlet pipeline; 6. a transfer mechanism; 601. a linear guide rail; 602. a third cylinder; 603. a suction cup; 7. a first conveyor belt; 8. a drying mechanism; 9. auxiliary dehydration forming components; 901. a placing seat; 9011. placing a blank groove; 9012. an air inlet channel; 9013. a communication channel; 902. a motor; 903. a rotating shaft; 904. a movable hammer; 905. a flexible support web; 906. an air inlet machine; 907. a wind distribution plate; 10. a second conveyor belt; 11. a mechanical arm; 12. a liquid collection cavity; 13. a liquid collection channel; 14. a fluid delivery conduit; 15. a liquid collecting barrel; 16. a pneumatic valve; 17. a slurry delivery pump; 18. a flow meter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-5, the present invention provides the following technical solutions:
the mixed pulp molding method provided by the embodiment of the invention comprises the following steps:
s1, preparing slurry: mixing the new paper pulp and the regenerated paper pulp according to the proportion of 1:2 to form a mixed paper pulp raw material, then uniformly mixing the mixed paper pulp raw material with water, adding the uniformly mixed slurry into a forming die body, and forming a wet blank under the extrusion action;
s2, dehydration molding: dehydrating and molding the wet blank under the pressing action of the mold assembly;
s3, drying: conveying the dehydrated and molded wet blank to drying equipment for drying;
s4, shaping: conveying the dried dry blank to shaping equipment for shaping;
specifically, high-temperature gas is introduced into the mold cavity of the mold assembly in S2.
In this embodiment, the high-temperature gas is introduced into the mold cavity of the mold assembly, so that the wet blank can be preheated, and the drying efficiency of the wet blank dehydration molding can be accelerated.
Specifically, a heating element is arranged in the mold assembly in the step S2.
In this embodiment, the heating element can be an electrical heating tube disposed in the mold assembly to improve the efficiency of the dehydration, molding and drying of the wet embryo.
Specifically, the wet embryo is dried in a dynamic environment in S3.
In the embodiment, the wet embryos are dried in a dynamic environment, so that the drying speed of the wet embryos is greatly improved, and the requirement for high production efficiency is met.
The invention also provides automatic mixed pulp molding equipment for implementing the method, which comprises a workbench 1, a turntable 2, a lower die 3, a pulp mixing mechanism 4, a molding dehydration molding mechanism 5, a transfer mechanism 6, a first conveyor belt 7, a drying mechanism 8, an auxiliary dehydration molding assembly 9, a second conveyor belt 10 and a mechanical arm 11, wherein the turntable 2 is arranged at the upper position of the middle part of the workbench 1, the bottom of the workbench 1 is provided with a driving mechanism for driving the turntable 2 to rotate intermittently at the same angle, the lower die 3 is uniformly distributed at the position along the top edge of the turntable 2, a liquid collecting cavity 12 is arranged inside the lower die 3, a model cavity of the lower die 3 is vertically communicated with the liquid collecting cavity 12 through a liquid collecting channel 13, the pulp mixing station, the dehydration molding station and the transfer station which correspond to the lower die 3 are arranged on the workbench 1, and the pulp mixing mechanism 4, the molding dehydration molding mechanism 5 and the transfer mechanism 6 are arranged along the rotation direction of, The dehydration forming station and the transfer station are distributed correspondingly in sequence, wherein:
the slurry distribution mechanism 4 is composed of a slurry distribution barrel 401, a first support 402, a first air cylinder 403, a slurry outlet head 404 and a slurry discharge pipeline 405, the slurry distribution barrel 401 and the first support 402 are adjacently installed on the workbench 1, the first air cylinder 403 is fixedly installed on the first support 402, the slurry outlet head 404 is fixedly connected to the end portion of a piston rod of the first air cylinder 403, the slurry outlet head 404 vertically corresponds to a lower die 3 located on a slurry distribution station, the slurry distribution barrel 401 is connected with the slurry outlet head 404 through the slurry discharge pipeline 405, and a pneumatic valve 16, a slurry delivery pump 17 and a flow meter 18 are sequentially connected to the slurry discharge pipeline 405 in series.
The forming dehydration forming mechanism 5 is composed of a second support 501, a second cylinder 502, an upper die 503, an air heater 504 and an air inlet duct 505, the second support 501 is fixedly installed on the workbench 1, the second cylinder 502 is fixedly installed on the second support 501, the upper die 503 is fixedly connected to the end part of a piston rod of the second cylinder 502, the upper die 503 is matched with the lower die 3 and corresponds up and down, the air heater 504 is fixedly installed on one side of the second support 501, an air cavity is arranged inside the upper die 503, an air hole communicated with the air cavity is arranged at the bottom of the upper die 503, and the air cavity is connected with the air exhaust end of the air heater 504 through the air inlet duct 505.
The transferring mechanism 6 is used for transferring wet embryos in the upper die 3 and the lower die 3 of the transferring station to a feeding end of the first conveyor belt 7, the second conveyor belt 10 is located on one side of the first conveyor belt 7, the second conveyor belt 10 is used for conveying the auxiliary dehydration forming assembly 9, the mechanical arm 11 is used for transferring the auxiliary dehydration forming assembly 9 located on a discharging end of the second conveyor belt 10 to the feeding end of the first conveyor belt 7, the auxiliary dehydration forming assembly 9 is used for bearing the wet embryos transferred to the first conveyor belt 7 through the transferring mechanism 6, meanwhile, the auxiliary dehydration forming assembly 9 is further used for accelerating drying of the wet embryos placed in the auxiliary dehydration forming assembly under a dynamic environment, the drying mechanism 8 is arranged on the first conveyor belt 7, the drying mechanism 8 is used for drying the wet embryos transferred through the first conveyor belt 7, and the dried dry embryos are transferred to a shaping procedure through the first conveyor belt 7.
In the embodiment, the speed of rotating the turntable 2 once is matched with the speed of completing one-time pulp mixing by the pulp mixing mechanism 4, the speed of completing one-time dehydration forming by the forming dehydration forming mechanism 5 and the speed of completing one-time transferring by the transferring mechanism 6, the invention also comprises a PLC controller which is electrically connected with the driving mechanism, the first air cylinder 403, the second air cylinder 502, the hot air blower 504, the driving of the transferring mechanism 6, the driving of the first conveyor belt 7, the driving of the second conveyor belt 10, the driving of the auxiliary conveying dehydration forming assembly 9 and the driving of each mechanical arm 11, and the PLC controller is used for program editing to realize the linkage among the mechanisms and meet the requirements of a high-efficiency production line for continuous and large-scale mixed pulp molding; the lower die 3 is also internally provided with a metal wire mesh layer, slurry forms a wet blank on the metal wire mesh layer, a pneumatic valve 16 electrically connected with the PLC, a slurry delivery pump 17 and a flowmeter 18 are sequentially connected on the slurry discharge pipeline 405 in series, when the slurry discharge pipeline is used, the pneumatic valve 16 is firstly opened, the slurry is delivered under the action of the slurry delivery pump 17, the flowmeter 18 is used for carrying out online flow monitoring, and the accurate flow control of slurry delivery is realized by matching with the PLC.
Specifically, the top of the turntable 2 is provided with a liquid collecting barrel 15, the liquid collecting barrel 15 is communicated with the liquid collecting cavity 12 through a liquid conveying pipeline 14, and the liquid conveying pipeline 14 is provided with a liquid drawing pump.
In this embodiment, when the upper mold 503 and the lower mold 3 are closed, an extrusion force is generated on the wet embryo to remove excess water in the wet embryo, and the water is conveyed to the liquid collecting barrel 15 through the liquid conveying pipeline 14 under the action of the liquid suction pump.
Specifically, the transfer mechanism 6 is composed of a linear guide rail 601, a third cylinder 602 and a suction cup 603, the linear guide rail 601 is transversely arranged above the transfer station corresponding to the turntable 2 and above the first conveyor belt 7, the third cylinder 602 is fixedly installed at the bottom of the sliding table of the linear guide rail 601, and the suction cup 603 is fixedly connected to the end portion of the piston rod of the third cylinder 602.
In this embodiment, during operation, push down and absorb the wet embryo that is located to move the upper and lower mould 3 of transfer station through third cylinder 602 drive sucking disc 603, and sucking disc 603 resets, and rethread linear guide 601 drives third cylinder 602 and slides to being located the feed end of first conveyer belt 7, then through third cylinder 602 drive sucking disc 603 and places the wet embryo on sucking disc 603 on assisting dehydration shaping subassembly 9, realizes moving of wet embryo.
Specifically, the auxiliary dewatering forming assembly 9 is composed of a placing seat 901, a motor 902, a rotating shaft 903, a movable hammer 904, a flexible supporting net 905, an air inlet machine 906 and an air distribution plate 907, the device comprises a placing seat 901, a blank placing groove 9011 for placing wet blanks is arranged on the placing seat 901, an air inlet channel 9012 penetrates through the side wall of the bottom end of the placing seat 901, the blank placing groove 9011 is communicated with the air inlet channel 9012 up and down through a communicating channel 9013, an air inlet machine 906 is fixedly installed inside the communicating channel 9013, a motor 902 is fixedly installed on the side wall of the placing seat 901, a rotating shaft 903 is arranged inside the blank placing groove 9011 and connected with the output end of the motor 902, a movable hammer 904 is arranged on a rotating shaft 903 in a staggered mode, a flexible supporting net 905 is arranged above the rotating shaft 903 in a transverse mode, the linear distance between the flexible supporting net 905 and the rotating shaft 903 is smaller than the length of the movable hammer 904, and an air distribution plate 907 is horizontally installed below the rotating shaft 903 corresponding to the inside.
In this embodiment, in operation, after a wet embryo is placed in the embryo placing slot 9011 of the auxiliary dehydration forming assembly 9, the auxiliary dehydration forming assembly 9 and the wet embryo therein are conveyed into the drying mechanism 8 by the first conveyor belt 7, at this time, the motor 902 operates, the rotating shaft 903 is driven to rotate by the rotation of the motor 902, the rotating shaft 903 rotates to drive the movable hammer 904 arranged in a staggered manner to rotate, so as to flap the wet embryo placed on the flexible supporting net 905, the wet embryo is continuously in a dynamic environment, the wet embryo is dried by the hot air generated in the drying mechanism 8, meanwhile, the air inlet machine 906 operates to convey the hot air from the air inlet channel 9012 and the communicating channel 9013 into the embryo placing slot 9011, the air distribution plate 907 uniformly distributes the air, the upper end surface and the lower end surface of the wet embryo in the embryo placing slot 9011 are simultaneously dried, the drying speed is accelerated, and the drying efficiency is improved.
Specifically, the length of the linear distance between the wind distribution plate 907 and the rotating shaft 903 is greater than the length of the movable hammer 904.
In this embodiment, the above structure design enables the movable hammer 904 to continuously flap the wet embryo when the rotating shaft 903 rotates, so that the wet embryo is continuously in a dynamic environment.
The working principle and the using process of the invention are as follows: the pneumatic valve 16 is opened firstly, the slurry is conveyed under the action of the slurry conveying pump 17, the flow meter 18 is used for monitoring the flow online, the PLC is matched for realizing the accurate flow control of the slurry conveying, the slurry in the slurry preparation barrel 401 is conveyed to the slurry outlet head 404 through the slurry discharge pipeline 405, then the first air cylinder 403 drives the slurry outlet head 404 to be pressed down into the model cavity of the lower die 3, a wet blank is formed in the interval between the slurry outlet head 404 and the model cavity, then the slurry outlet head 404 is reset, the turntable 2 rotates to drive the lower die 3 with the built-in wet blank to be transferred to a dehydration forming station, the second air cylinder 502 is controlled to drive the upper die 503 to be pressed down, the wet blank is extruded and dehydrated and formed through the matching of the upper die 503 and the lower die 3, meanwhile, high-temperature air flow is supplied into the air cavity of the upper die 503 through the hot air blower 504 and the air inlet pipeline 505, the wet blank is preheated through the high-temperature air flow for, wet blank forming, the extruded and preheated wet blank is transferred to a transfer station through a turntable 2, at the moment, an auxiliary dehydration forming assembly 9 positioned on the discharge end of a second conveyor belt 10 is transferred to the feed end of a first conveyor belt 7 through a mechanical arm 11, then a suction cup 603 is driven to press down and suck the wet blank positioned in an upper die and a lower die 3 of the transfer station through a third cylinder 602, the suction cup 603 resets, then the third cylinder 602 is driven to slide to the feed end positioned on the first conveyor belt 7 through a linear guide rail 601, then the suction cup 603 is driven through the third cylinder 602, the wet blank on the suction cup 603 is placed on the auxiliary dehydration forming assembly 9, the wet blank transfer is realized, after the wet blank is placed in a blank placing groove 9011 of the auxiliary dehydration forming assembly 9, the auxiliary dehydration forming assembly 9 and the wet blank therein are conveyed to the inside a drying mechanism 8 through the first conveyor belt 7, at the moment, a motor 902 works, the rotating shaft 903 is driven to rotate through the motor 902, the rotating shaft 903 rotates to drive the movable hammer 904 which is arranged in a staggered mode to rotate, wet blanks placed on the flexible supporting net 905 are flapped, the wet blanks are continuously in a dynamic environment, hot air generated in the drying mechanism 8 dries the wet blanks, meanwhile, the air inlet machine 906 works to convey the hot air into the blank placing groove 9011 from the air inlet channel 9012 and the communicating channel 9013, the air distribution plate 907 is used for uniformly distributing the air, the upper end face and the lower end face of the wet blanks in the opposite blank placing grooves 9011 are dried simultaneously, the drying speed is accelerated, and the drying efficiency is improved.
The invention mainly improves the formula, the process and the equipment of the mixed paper pulp simultaneously to ensure that the pulp mixing molding suitable for mixing new and old paper pulp is completed, the pulp mixing structure is reasonable, the accurate proportioning of the pulp on the lower die can be fully ensured, and the product quality is stable.
The invention utilizes the flowmeter to carry out flow online monitoring, realizes accurate flow control of slurry conveying by matching with the PLC, ensures product quality, has the advantages of high drying speed and good effect, has simple structure, effectively reduces drying cost on the premise of ensuring drying effect, adopts full-automatic operation to finish slurry preparation, dehydration forming, drying and output work, realizes continuous production line operation, greatly improves production efficiency and meets the requirement of continuous molding forming processing of large-scale products.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A mixed paper pulp molding method is characterized in that: the method comprises the following steps:
s1, preparing slurry: uniformly mixing new paper pulp, a regenerated paper pulp raw material and water, adding the uniformly mixed slurry into a forming die body, and forming a wet blank under the extrusion action;
s2, dehydration molding: dehydrating and molding the wet blank under the pressing action of the mold assembly;
s3, drying: conveying the dehydrated and molded wet blank to drying equipment for drying;
s4, shaping: and conveying the dried dry blank to shaping equipment for shaping.
2. The hybrid pulp molding method according to claim 1, characterized in that: and high-temperature gas is introduced into the mold cavity of the mold component in the S2.
3. The hybrid pulp molding method according to claim 1, characterized in that: a heating element is arranged in the die assembly in the S2.
4. The hybrid pulp molding method according to claim 1, characterized in that: the wet embryos are dried in a dynamic environment in S3.
5. The utility model provides a mix paper pulp molding automation equipment which characterized in that: comprises a workbench (1), a turntable (2), a lower die (3), a slurry distribution mechanism (4), a forming dehydration forming mechanism (5), a transfer mechanism (6), a first conveyor belt (7), a drying mechanism (8), an auxiliary dehydration forming assembly (9), a second conveyor belt (10) and a mechanical arm (11), wherein the turntable (2) is arranged above the middle part of the workbench (1), the bottom of the workbench (1) is provided with a driving mechanism for driving the turntable (2) to rotate intermittently at the same angle, the lower die (3) is uniformly distributed at the top edge position of the turntable (2), a liquid collection cavity (12) is arranged inside the lower die (3), a model cavity of the lower die (3) is vertically communicated with the liquid collection cavity (12) through a liquid collection channel (13), and the workbench (1) is provided with a slurry distribution station, a dehydration forming station and a transfer station corresponding to the lower die (3), the slurry distribution mechanism (4), the forming dehydration forming mechanism (5) and the transfer mechanism (6) are distributed along the rotation direction of the turntable (2) and are sequentially corresponding to the slurry distribution station, the dehydration forming station and the transfer station.
6. The automated hybrid pulp molding apparatus according to claim 5, wherein: the slurry preparation mechanism (4) is composed of a slurry preparation barrel (401), a first support (402), a first air cylinder (403), a slurry outlet head (404) and a slurry discharge pipeline (405), the slurry preparation barrel (401) and the first support (402) are adjacently installed on the workbench (1), the first air cylinder (403) is fixedly installed on the first support (402), the slurry outlet head (404) is fixedly connected to the end part of a piston rod of the first air cylinder (403), the slurry outlet head (404) corresponds to a lower die (3) located on a slurry preparation station up and down, the slurry preparation barrel (401) is connected with the slurry outlet head (404) through the slurry discharge pipeline (405), and a pneumatic valve (16), a slurry conveying pump (17) and a flow meter (18) are sequentially connected to the slurry discharge pipeline (405) in series;
the forming dehydration forming mechanism (5) comprises a second support (501), a second air cylinder (502), an upper die (503), a hot air blower (504) and an air inlet pipeline (505), the second support (501) is fixedly arranged on the workbench (1), the second air cylinder (502) is fixedly arranged on the second support (501), the upper die (503) is fixedly connected to the end part of a piston rod of the second air cylinder (502), the upper die (503) is matched with the lower die (3) and vertically corresponds to the lower die, the hot air blower (504) is fixedly arranged on one side of the second support (501), an air cavity is arranged inside the upper die (503), an air hole communicated with the air cavity is formed in the bottom of the upper die (503), and the air cavity is connected with the air exhaust end of the hot air blower (504) through the air inlet pipeline (505);
the wet embryo transfer device is characterized in that the transfer mechanism (6) is used for transferring wet embryos in the upper and lower dies (3) of the transfer station to the feeding end of the first conveyor belt (7), the second conveyor belt (10) is located on one side of the first conveyor belt (7), the second conveyor belt (10) is used for conveying the auxiliary dehydration molding assembly (9), the mechanical arm (11) is used for transferring the auxiliary dehydration molding assembly (9) located on the discharging end of the second conveyor belt (10) to the feeding end of the first conveyor belt (7), the auxiliary dehydration molding assembly (9) is used for bearing the wet embryos transferred to the first conveyor belt (7) through the transfer mechanism (6), meanwhile, the auxiliary dehydration molding assembly (9) is also used for accelerating drying of the wet embryos placed in the auxiliary dehydration molding assembly under a dynamic environment, the drying mechanism (8) is arranged on the first conveyor belt (7), and the drying mechanism (8) is used for drying the wet embryos transferred by the first conveyor belt (7), the dried blank is conveyed to a shaping process through a first conveyor belt (7).
7. The automated hybrid pulp molding apparatus according to claim 5, wherein: the liquid collecting barrel (15) is arranged at the top of the rotary disc (2), the liquid collecting barrel (15) is communicated with the liquid collecting cavity (12) through a liquid conveying pipeline (14), and a liquid pump is arranged on the liquid conveying pipeline (14).
8. The automated hybrid pulp molding apparatus according to claim 5, wherein: move and carry mechanism (6) and constitute by linear guide (601), third cylinder (602) and sucking disc (603), linear guide (601) crossbearer is corresponding in carousel (2) and is moved a year station top and first conveyer belt (7) top position, third cylinder (602) fixed mounting is in the slip table bottom of linear guide (601), sucking disc (603) fixed connection is in the tailpiece of the piston rod portion of third cylinder (602).
9. The automated hybrid pulp molding apparatus according to claim 5, wherein: the auxiliary dehydration forming component (9) comprises a placing seat (901), a motor (902), a rotating shaft (903), a movable hammer (904), a flexible supporting net (905), an air inlet machine (906) and an air distribution plate (907), wherein a blank placing groove (9011) for placing wet blanks is formed in the placing seat (901), an air inlet channel (9012) penetrates through the side wall of the bottom end of the placing seat (901), the blank placing groove (9011) and the air inlet channel (9012) are communicated up and down through a communication channel (9013), the air inlet machine (906) is fixedly installed in the communication channel (9013), the motor (902) is fixedly installed on the side wall of the placing seat (901), the rotating shaft (903) is arranged in the blank placing groove (9011) and connected with the output end of the motor (902), the movable hammer (904) is arranged on the rotating shaft (903) in a staggered manner, and the flexible supporting net (905) is transversely arranged above the rotating shaft (903), the linear distance between the flexible supporting net (905) and the rotating shaft (903) is less than the length of the movable hammer (904), and the air distribution plate (907) is horizontally arranged in the embryo placing groove (9011) at a position corresponding to the lower part of the rotating shaft (903).
10. The automated hybrid pulp molding apparatus according to claim 9, wherein: the length of the linear distance between the air distribution plate (907) and the rotating shaft (903) is greater than that of the movable hammer (904).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160686.XA CN110952384A (en) | 2019-11-23 | 2019-11-23 | Mixed paper pulp molding method and automatic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911160686.XA CN110952384A (en) | 2019-11-23 | 2019-11-23 | Mixed paper pulp molding method and automatic equipment |
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| CN110952384A true CN110952384A (en) | 2020-04-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114318956A (en) * | 2021-12-31 | 2022-04-12 | 珠海格力智能装备有限公司 | Control structure of molding apparatus, programming method, and non-volatile storage medium |
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