CN104652178B - Large and bulky paper pulp die-pressing device - Google Patents

Large and bulky paper pulp die-pressing device Download PDF

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Publication number
CN104652178B
CN104652178B CN201510031989.7A CN201510031989A CN104652178B CN 104652178 B CN104652178 B CN 104652178B CN 201510031989 A CN201510031989 A CN 201510031989A CN 104652178 B CN104652178 B CN 104652178B
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mould
die
sizing
shaping
molding concave
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CN104652178A (en
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谷照林
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谷照林
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Abstract

The invention relates to a large and bulky paper pulp die-pressing process, which includes the following steps: a pulp box loaded with paper pulp is arranged under a forming unit, a paper pulp agitation mechanism is arranged at the bottom in the pulp box, the recess of a forming female die is upward, and moreover, the forming female die can be driven by a driving mechanism to move down into the pulp box, and thereby is immerged into paper pulp; a vacuumizer is utilized to vacuumize the forming female die, so that a wet green is formed; the forming female die upwardly gets close to a male die, the wet green is transferred, the male die brings the wet green to move onto a shaping unit, and the wet green is heated and shaped. The process disclosed by the invention can prepare bulky and large-sized vegetable fiber die-pressed products, the cost is low, and the rate of finished products is high.

Description

Large-scale thickness body pulp molding equipment
Technical field
The present invention relates to a kind of plant fiber molding technique and its equipment, particularly a kind of large-scale thickness body pulp molding technique And its equipment.
Background technology
Moulding of plant fibres production line, is mainly produced for the buffer packaging material such as small household appliances and egg support with waste paper at present Material.The mould having vacuum equipment, covering silk screen is sunk in paper pulp pond absorption using traditional papermaking moulding process by it Pulp material, after the surface that mould covers silk screen forms slurry embryo, then moves on to and is dried to product in drying tunnel.This technology is due to overcoming not The slurry deadweight of embryo and the resistance of slurry, thick and heavy wet embryo leaves stock tank and will come off on the net from shaping mould, so the product produced It is impossible to prepare thick body large product limited by product thickness.
In order to solve the above problems, the body that steel wire is made product having serves as a contrast in mould, and slurry is sprayed at and is in On silk screen mould under vacuum state, slurry is made to become wet embryo in silk screen mould surface accumulation, then the demoulding after hot-pressing drying.Due to During spraying slurry, vacuum contacts atmospheric pressure indirectly, and vacuum power can not completely effectively do work it is impossible to obtain identical Density, the stock of thickness, formed product time length, efficiency is low simultaneously, defect ware rate is high, high cost, and product thickness can only achieve Less than 1.5 millimeters, full-size can only achieve 500 millimeters.
Content of the invention
It is an object of the invention to provide a kind of structure is simple, can make the big specification of thick body, molding time is short, production efficiency High, low production cost large-scale thickness body pulp molding technique and its equipment, overcome the deficiencies in the prior art.
The large-scale thickness body pulp molding technique of the present invention, step is as follows:
(1), the slurry case equipped with pulp material is set in the lower section of former, the interior side-lower of slurry case is provided with kneading pulper Structure, the recess of molding concave die upwards and comes downwards in slurry case under drive mechanism drives, and so that molding concave die is immersed in pulp material;
(2), utilize vacuum extractor to molding concave die evacuation, exclude moisture content, make pulp material cover table in molding concave die On the silk screen in face and form desired thickness;
(3), molding concave die moves upward out slurry case under drive mechanism drive, after being dehydrated further and above slurry case Forming convax mould phase matched moulds, then releases molding concave die evacuation, opens the vacuum-pumping valve of forming convax mould, make in die internal shaping Wet embryo be adsorbed on forming convax mould;
(4), pass through transverse moving mechanism by forming convax mould and to transfer to the wet embryo on forming convax mould and move on modular system And stop evacuation, and so that wet embryo is transferred in the sizing die on modular system, then forming convax mould return, punch of simultaneously shaping Move to above sizing die, sizing die and wet embryo move, with the sizing punch matched moulds of the evacuation of top and to wet Embryo carries out heating, drying sizing, and after sizing, sizing die moves down, and sizing punch moves on conveyer belt with the product after sizing Side simultaneously releases the vacuum demoulding and spreads out of.
The large-scale thickness body pulp molding technique equipment of the present invention, sets including the former and sizing being arranged in frame Standby.
Slurry case, the molding concave die with molding concave die vacuum tank and the molding of kneading pulper structure are set in having on former The forming convax mould with forming convax mould vacuum tank that die matches, molding concave die connects the drive mechanism driving molding concave die lifting.
Sizing die with sizing die heating plate is had on modular system, sizing die connects the drive driving sizing die lifting Motivation structure;It is provided with the sizing punch of punch heating plate and sizing punch vacuum tank of shaping with sizing die phase.
Described former is to be fixed with shaping mould lower supporting plate in frame, and shaping mould lower supporting plate passes through shaping mould and stands Post is fixed with shaping mould upper backup pad, is furnished with shaping mould guide pillar moving up and down on shaping mould upper backup pad, described one-tenth Type die is arranged on the lower end of shaping mould guide pillar by shaping mould lower shifting board.
The described drive mechanism driving molding concave die lifting is the shaping mould hydraulic cylinder connecting with hydraulic drive mechanism, becomes The termination of pattern hydraulic cylinder is fixedly connected with described shaping mould upper shifting board, the piston rod end matching with shaping mould hydraulic cylinder It is fixedly connected with shaping mould upper backup pad.
The recess of described molding concave die is upwards.
Described modular system is that frame is provided with stock mould bottom plate, and sizing is passed through in the top of stock mould bottom plate Column is fixedly connected with stock mould upper mounted plate, is furnished with stock mould movable plate with sizing column phase, connects below stock mould movable plate There is the stock mould hydraulic cylinder driving the lifting of stock mould movable plate, described sizing die is arranged on above stock mould movable plate.
The track of horizontally set is fixed with stock mould upper mounted plate, described forming convax mould vacuum tank, sizing punch Vacuum tank is matched with described track, is provided with connector between described forming convax mould vacuum tank, sizing punch vacuum tank.
Described sizing punch vacuum tank connects transversal driving mechanism.
Described each vacuum tank is all connected with vacuum extractor by flexible pipe.
Described transversal driving mechanism is to be fixed with connect with hydraulic drive mechanism horizontal on stock mould upper mounted plate Mobile hydraulic cylinder, the piston rod being matched with transverse shifting hydraulic cylinder is connected with the termination of sizing punch vacuum tank by connecting plate.
The present invention large-scale thickness body pulp molding technique equipment, due to shaping mould recess upwards, whole during vacuum forming Individual die is immersed in paper pulp, the vacuum tank of molding concave die and atmospheric isolation, so that vacuum power is played one's part to the full, has when moving up Effect ground overcome by suction paper pulp obscission, molding wet embryo thickness substantially increase, at least more than 2 millimeters can be produced Plant fiber molding product, the specification of product can accordingly increase;Because being integrally closed in during molding concave die absorption paper pulp In paper pulp pond, so mould intracavity each point vacuum power is equal, no matter the body of product, the global density phase of product With, thickness uniformity, defect ware rate substantially reduces, and reduces production cost simultaneously.This technique and the enforcement of equipment, increased The kind of plant-fiber product, has widened the application in market, improves the technical merit of the industry.
Brief description
Fig. 1 is the structural representation of the large-scale thickness body pulp molding technique equipment of the present invention;
Fig. 2 is that the right side shown in Fig. 1 regards schematic diagram;
Fig. 3 is the structural representation of molding concave die in the present invention.
Specific embodiment
The large-scale thickness body pulp molding processing step of the present invention is as follows:
(1), the slurry case equipped with pulp material is set in the lower section of former, the interior side-lower of slurry case is provided with kneading pulper Structure, the recess of molding concave die upwards and comes downwards in slurry case under drive mechanism drives, and so that molding concave die is immersed in pulp material;
(2), utilize vacuum extractor to molding concave die evacuation, exclude moisture content, make pulp material cover table in molding concave die On the silk screen in face and form desired thickness;
(3), molding concave die moves upward out slurry case under drive mechanism drive, after being dehydrated further and above slurry case Forming convax mould phase matched moulds, then releases molding concave die evacuation, opens the vacuum-pumping valve of forming convax mould, make in die internal shaping Wet embryo be adsorbed on forming convax mould;
(4), pass through transverse moving mechanism by forming convax mould and to transfer to the wet embryo on forming convax mould and move on modular system And stop evacuation, and so that wet embryo is transferred in the sizing die on modular system, then forming convax mould return, punch of simultaneously shaping Move to above sizing die, sizing die and wet embryo move, with the sizing punch matched moulds of the evacuation of top and to wet Embryo carries out heating, drying sizing, and after sizing, sizing die moves down, and sizing punch moves on conveyer belt with the product after sizing Side simultaneously releases the vacuum demoulding, is spread out of using conveyer belt.
As shown in Figure 1, 2:The large-scale thickness body pulp molding technique equipment of the present invention, including frame 1, sets in frame 1 It is equipped with former and modular system.
Wherein former includes being arranged on the slurry case 32 of frame 1 bottom, is provided with gear type in slurry case 32 inside bottom Kneading pulper structure 15.Shaping mould lower supporting plate 6 is fixed with frame 1, shaping mould lower supporting plate 6 passes through four shaping mould columns 7 are fixed with shaping mould upper backup pad 8, and shaping mould lower supporting plate 6 and shaping mould upper backup pad 8 are arranged in parallel.In shaping mould Four shaping mould guide pillars 5 moving up and down are furnished with upper backup pad 8, the lower end of shaping mould guide pillar 5 is fixed with shaping mould and moves down Dynamic plate 2, the upper end of shaping mould guide pillar 5 is fixed with shaping mould upper shifting board 12.Shaping mould lower shifting board 2 and shaping mould upper shifting board 12 is arranged in parallel.Molding concave die 4 is arranged on shaping mould lower shifting board 2, and in other words, molding concave die 4 passes through under shaping mould Movable plate 2 is arranged on the lower end of shaping mould guide pillar 5.The back side of molding concave die 4(Below)There is molding concave die vacuum tank 3, molding is recessed Mould vacuum tank 3 is connected with vacuum extractor by die vacuum-pumping tube 14.
The drive mechanism driving molding concave die 4 lifting is the shaping mould hydraulic cylinder 13 connecting with hydraulic drive mechanism, molding The termination of mould hydraulic cylinder 13 is fixedly connected with shaping mould upper shifting board 12, the piston rod end matching with shaping mould hydraulic cylinder 13 with Shaping mould upper backup pad 8 is fixedly connected.
As shown in Figure 3:The recess of molding concave die 4 upwards, molding concave die 4 is machined with multiple through holes 31, is lined with silk screen Layer 30.
Mutually it is provided with the forming convax mould 9 of forming convax mould vacuum tank 10 with molding concave die 4, forming convax mould vacuum tank 10 is located at into Type punch 9 back side(Above), forming convax mould vacuum tank 10 connected with vacuum extractor by punch vacuum-pumping tube 11.Forming convax mould 9 structure is identical with molding concave die 4, simply mutually forms punch-die, is just clamped in formation on molding concave die 4 after matched moulds Wet embryo.
As shown in Figure 1, 2:Modular system includes being provided with stock mould bottom plate 17, stock mould bottom plate in frame 1 17 are connected with stock mould upper mounted plate 25 by four sizing columns 22, are furnished with stock mould movable plate 18 on sizing column 22. Equipped with the stock mould hydraulic cylinder 16 connecting with hydraulic drive mechanism between stock mould bottom plate 17 and frame 1, with stock mould The piston rod end that hydraulic cylinder 16 matches is connected with stock mould movable plate 18.Sizing die 21 is arranged on stock mould movable plate 18 On, at the back side of sizing die 21(Below)It is provided with sizing die heating plate 19.
Mutually it is provided with the sizing punch 27 of punch vacuum tank 28 of shaping with sizing die 21, sizing punch vacuum tank 27 is located at Sizing punch 27 back side(Above), sizing punch vacuum tank 28 connected with vacuum extractor by vacuum-pumping tube.Sizing die 21 Form punch-die with sizing punch 27, the wet embryo of molding concave die 4 molding during matched moulds, can be clamped.
It is fixed with the track 23 of horizontally set, forming convax mould vacuum tank 10, sizing in the bottom of stock mould upper mounted plate 25 Punch vacuum tank 28 is matched with track 23, that is, in rail 23 slidably.Forming convax mould vacuum tank 10, sizing punch vacuum tank 28 Between be provided with connector 33, to ensure to slide in forming convax mould vacuum tank 10, the synchronous in rail 23 of sizing punch vacuum tank 28.
Laterally it is fixed with the transverse shifting hydraulic cylinder connecting with hydraulic drive mechanism above stock mould upper mounted plate 25 26, the piston rod being matched with transverse shifting hydraulic cylinder 26 is passed through connecting plate 24 and is connected with sizing punch vacuum tank 28.Transverse shifting During hydraulic cylinder 26 action, forming convax mould vacuum tank 10, sizing punch vacuum tank 28 and sizing punch 21 and molding can be driven convex Mould 9 slides along track 23 simultaneously.
Above-mentioned moulding convex-concave die is identical with the structure of sizing punch-die and vacuum tank, inside sets silk screen layer, there is through hole centre, Each vacuum tank is all connected with vacuum extractor by the vacuum-pumping tube of soft body structure.Each hydraulic cylinder also be can use and connected with pneumatic means Cylinder band replace.
Work process is as follows:
Plant fiber pulp is poured in slurry case 32, slurry rabbling mechanism is opened and run all the time, prevents serosity from precipitating.Molding Mould hydraulic cylinder 13 action, drives shaping mould upper shifting board 12, shaping mould guide pillar 5, shaping mould lower shifting board 2 and molding concave die 4 Move down, so that molding concave die 4 is totally submerged in pulp liquor, molding concave die vacuum tank starts evacuation, discharge slurry moisture, paper Slurry is attracted on the silk screen layer 30 in molding concave die 4, forms wet embryo, the shaping mould hydraulic cylinder when wet embryo reaches desired thickness 13 drive the upper shifting simultaneously of above-mentioned part, make molding concave die 4 remove slurry liquid level, the wet embryo in die 4 to be formed reaches required Moisture content when, on molding concave die 4 move and forming convax mould 9 matched moulds with top, and molding concave die vacuum tank stop evacuation, open Negative pressure is released, forming convax mould vacuum tank 10 starts to take out true chamber simultaneously, makes wet embryo transfer to forming convax mould 9 after opening compression air valve On.Molding concave die 4 is descending to be again introduced in pulp material, for next time ready.Afterwards, transverse shifting hydraulic cylinder 26 action, Drive and move to left in forming convax mould vacuum tank 10, forming convax mould 9, sizing punch vacuum tank 28, sizing punch 27 in rail 23, make into Type punch 9 is located above sizing die 21, and forming convax mould 27 is located above conveyer belt 20.Then forming convax mould vacuum tank 10 stops Evacuation, that is, release negative pressure, and wet embryo is transferred on sizing die 21.Transverse shifting hydraulic cylinder 26 action, drives forming convax mould Vacuum tank 10, forming convax mould 9, sizing punch vacuum tank 28, sizing punch 27 in rails 23 are upper right is moved back to position.Sizing die 21 exists Move up under the drive of stock mould hydraulic cylinder 16, and sizing punch 27 matched moulds, and convex by type die heating plate 19 and sizing Mould heating plate 29 carries out heat-shaping to stock, and now sizing punch vacuum tank 28 is evacuated, and discharges moisture.Heat-shaping Afterwards, sizing die 21 moves down under stock mould hydraulic cylinder 16 drive, and the product after sizing is attracted on sizing punch 27. Repeat upper action, when sizing punch 27 and forming convax mould 9 move to left position, sizing punch vacuum tank 28 stops evacuation, solution Except negative pressure, the product of sizing falls into and is sent out on conveyer belt 20.By that analogy, cyclic production.

Claims (2)

1. a kind of large-scale thickness body pulp molding technique equipment, including being arranged on frame(1)On former and modular system;
Kneading pulper structure is set in having on former(15)Slurry case(32), band molding concave die vacuum tank(3)Molding concave die (4), and molding concave die(4)The band forming convax mould vacuum tank matching(10)Forming convax mould(9), molding concave die(4)Connect driving Molding concave die(4)The drive mechanism of lifting;
Band sizing die heating plate is had on modular system(19)Sizing die(21), die of shaping(21)Connect driving sizing die (21)The drive mechanism of lifting;With sizing die(21)Mutually it is provided with punch heating plate of shaping(29)With sizing punch vacuum tank (28)Sizing punch(27);
It is characterized in that:Described former is frame(1)On be fixed with shaping mould lower supporting plate(6), support under shaping mould Plate(6)By shaping mould column(7)It is fixed with shaping mould upper backup pad(8), in shaping mould upper backup pad(8)On be furnished with can be upper and lower The shaping mould guide pillar of movement(5), described molding concave die(4)By shaping mould lower shifting board(2)It is arranged on shaping mould guide pillar(5) Lower end;
Described driving molding concave die(4)The drive mechanism of lifting is the shaping mould hydraulic cylinder connecting with hydraulic drive mechanism (13), shaping mould hydraulic cylinder(13)Termination and shaping mould upper shifting board(12)It is fixedly connected, with shaping mould hydraulic cylinder(13)Phase The piston rod end joined and shaping mould upper backup pad(8)It is fixedly connected;
Described molding concave die(4)Recess upwards;
Described modular system is frame(1)It is provided with stock mould bottom plate(17), stock mould bottom plate(17)Top By column of shaping(22)It is fixedly connected with stock mould upper mounted plate(25), with sizing column(22)Mutually it is furnished with stock mould movable plate (18), stock mould movable plate(18)It is connected to driving stock mould movable plate below(18)The stock mould hydraulic cylinder of lifting(16), described Sizing die(21)It is arranged on stock mould movable plate(18)Above;
In stock mould upper mounted plate(25)On be fixed with the track of horizontally set(23), described forming convax mould vacuum tank(10)、 Sizing punch vacuum tank(28)With described track(23)Match, in described forming convax mould vacuum tank(10), sizing punch true Empty van(28)Between be provided with connector(33);
Described sizing punch vacuum tank(28)Connect transversal driving mechanism;
Each vacuum tank is all connected with vacuum extractor by flexible pipe;
Described large-scale thickness body pulp molding processing step is as follows:
(1), the slurry case equipped with pulp material is set in the lower section of former, the interior side-lower of slurry case is provided with paper pulp
Rabbling mechanism, the recess of molding concave die upwards and comes downwards in slurry case under drive mechanism drives, and so that molding concave die is immersed In pulp material;
(2), utilize vacuum extractor to molding concave die evacuation, exclude moisture content, so that pulp material is covered in molding concave die inner surface On silk screen and form desired thickness;
(3), molding concave die moves upward out slurry case under drive mechanism drive, with the molding above slurry case after being dehydrated further Punch phase matched moulds, then releases molding concave die evacuation, opens the vacuum-pumping valve of forming convax mould, make wet in die internal shaping Indusium is adsorbed on forming convax mould;
(4), pass through transverse moving mechanism by forming convax mould and the wet embryo transferred on forming convax mould moves on modular system and stops Only evacuation, makes wet embryo transfer in the sizing die on modular system, then forming convax mould return, shapes punch therewith simultaneously Mobile move on sizing die and wet embryo to above die of shaping, enter with the sizing punch matched moulds of the evacuation of top and to wet embryo Row heating, drying is shaped, and after sizing, sizing die moves down, and sizing punch moves to above conveyer belt simultaneously with the product after sizing Release the vacuum demoulding to spread out of.
2. according to claim 1 large-scale thickness body pulp molding technique equipment it is characterised in that:Described is laterally driven Mechanism is in stock mould upper mounted plate(25)On be fixed with the transverse shifting hydraulic cylinder connecting with hydraulic drive mechanism(26), with horizontal stroke To mobile hydraulic cylinder(26)The piston rod matching passes through connecting plate(24)With sizing punch vacuum tank(28)Termination connect.
CN201510031989.7A 2015-01-22 2015-01-22 Large and bulky paper pulp die-pressing device Active CN104652178B (en)

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CN104652178B true CN104652178B (en) 2017-02-22

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Publication number Priority date Publication date Assignee Title
CN108930200B (en) * 2018-07-18 2020-07-07 浙江家得宝科技股份有限公司 Disposable fiber tableware forming equipment and process

Citations (7)

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Publication number Priority date Publication date Assignee Title
CN2432240Y (en) * 2000-07-19 2001-05-30 杨培泉 Full-automatic pulp moulding multifunctional combination machine
CN2630300Y (en) * 2003-08-14 2004-08-04 郑天波 Fully-automatic pulp moulding-shaping machine
CN103015273A (en) * 2012-12-19 2013-04-03 杭州欧亚环保工程有限公司 Vegetable fiber molded product full-automatic manufacturing method and molding and trimming integrated machine
CN203065897U (en) * 2012-12-19 2013-07-17 杭州欧亚环保工程有限公司 Rollover type pulp absorbing molding forming machine
CN203238497U (en) * 2013-05-09 2013-10-16 张宝华 Full-automatic pulp molding four-work-station integration equipment
CN103526649A (en) * 2013-05-09 2014-01-22 张宝华 Full-automatic molded pulp two-station integrated device and production process thereof
CN204023314U (en) * 2013-12-27 2014-12-17 张宝华 Full-automatic pulp-molding two station integrated equipment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100427604B1 (en) * 2003-11-22 2004-04-28 이범우 Pulp Mold Machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2432240Y (en) * 2000-07-19 2001-05-30 杨培泉 Full-automatic pulp moulding multifunctional combination machine
CN2630300Y (en) * 2003-08-14 2004-08-04 郑天波 Fully-automatic pulp moulding-shaping machine
CN103015273A (en) * 2012-12-19 2013-04-03 杭州欧亚环保工程有限公司 Vegetable fiber molded product full-automatic manufacturing method and molding and trimming integrated machine
CN203065897U (en) * 2012-12-19 2013-07-17 杭州欧亚环保工程有限公司 Rollover type pulp absorbing molding forming machine
CN203238497U (en) * 2013-05-09 2013-10-16 张宝华 Full-automatic pulp molding four-work-station integration equipment
CN103526649A (en) * 2013-05-09 2014-01-22 张宝华 Full-automatic molded pulp two-station integrated device and production process thereof
CN204023314U (en) * 2013-12-27 2014-12-17 张宝华 Full-automatic pulp-molding two station integrated equipment

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