CN2242262Y

CN2242262Y - Double fourdrinier folding wire-cloth composition formation machine

Info

Publication number: CN2242262Y
Application number: CN 95217808
Authority: CN
Inventors: 路全恩; 路康
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-07-31
Filing date: 1995-07-31
Publication date: 1996-12-11
Anticipated expiration: 2005-07-31

Abstract

The utility model discloses a composition formation machine with double fourdriniers and a folding wire-cloth. The utility model can be used for producing reinforced composition paper with high intensity, high ductility and high elasticity, and the reinforced composition paper can be used for manufacturing packaging bags. The utility model comprises a base material input part, an upper and a layers of fourdrinier parts, a pressure device part and a drying part. The equipment has higher degree of automatization; two layers of wet paper which is directly formed by pulp and a middle layer of wire-cloth and other base materials are compositely formed, so that the new composition paper can be produced. During the process of the production, adhesive is not used, and the composition paper can be processed with crepes longitudinally and transversely, so that paper which is produced by the equipment has the advantages of good air permeability, good elasticity, good intensity and good ductility, and accordingly, the problem that present paper for cement bags can be easily damaged can be solved.

Description

Double-long net is folded the net composite molding machine

The utility model relates to a kind of paper making equipment of novel reinforced composite paper, relates in particular to the folded net composite molding machine of double-long net of a kind of production intensity height, good toughness, elastomeric reinforced composite paper bag paper.

The reinforced composite paper bag paper of producing in the prior art is to adopt one deck paper and one deck base material or two-layer sack kraft paper and the base material of centre to be composited, though increase to some extent on this composite sheet intensity, but because of having used binding agent in the production process, thereby composite sheet is lost fully pressed from both sides gas permeability, need in packaging bag, breathe freely by mechanical punching for this reason, but so not only increased the cost of paper bag, humidity resistance is greatly reduced, in addition, use binding agent and also can make the papery embrittlement, thereby reduced the anti-broken rate of composite sheet packaging bag, therefore, above-mentioned composite sheet is not a kind of desirable in order to manufacture the paper of packaging bag.

In order to improve the quality of production technology and raising paper, inventor of the present utility model has declared a utility model patent that the Chinese patent notification number is CN2093194U " a folded net composite molding machine ", this make-up machine is by the base material setting section, the upper strata fourdrinier part, the oven dry portions of lower floor's fourdrinier part and typing etc. form one, use the direct compound production composite sheet of paper pulp and base material instead, earlier undertaken compound by upper strata paper pulp and base material, upper strata paper pulp and base material are compound with lower floor paper pulp more then, through squeezing, oven dry forms, the composite sheet of this paper making equipment production has good intensity, toughness and gas permeability, the quality of the packaging bag of making of this composite sheet also improves a lot, but elasticity and the expansion and contraction of finding this paper in the actual use are not fine, ply of paper usually takes place to be broken and the broken phenomenon of base material earlier, therefore this production equipment haves much room for improvement, to increase the expansion and contraction and the elasticity of paper.

For this reason, the purpose of this utility model is to provide a kind of direct paper making equipment with the pulp production composite sheet, be the folded net composite molding machine of a kind of double-long net, to produce a kind of intensity height, good toughness, good permeability and to have the reinforced composite paper of certain elasticity and expansion and contraction.

To achieve these goals, the technical solution of the utility model is: a kind of double-long net is folded the net composite molding machine, comprise the base material input part, the upper strata fourdrinier part, lower floor's fourdrinier part and pressing device portion, above-mentioned four parts are divided the two-layer front part of a body that is installed on, base material input part and upper strata fourdrinier part one in front and one in back are installed on the anterior upper strata of body, lower floor's fourdrinier part and pressing device portion one in front and one in back are installed on the lower floor of front part of a body, it is characterized in that a three-roller structure 11 is installed between above-mentioned four ones, an auxiliary agent groove 10 is installed below three-roller structure 11.

Three-roller structure 11 in the above-mentioned make-up machine is by two glue laminated rollers and a middle chromium plating optical press roll are formed up and down.

Above-mentioned make-up machine comprises the self-draining pressure device 14 that gives in four roads, twice rubber gives pressure device 15 with main press device 16, more than each duct device be installed on body lower floor successively from front to back, the self-draining top roll that gives pressure device in wherein preceding four roads is a rubber roll, lower roll is the little rotary screen cage of energy pressurized, in the middle of this cage is empty, the thin copper mesh of outsourcing.

The base material input part of this above-mentioned make-up machine comprises to be put screen cloth dolly 9 and carries screen cloth deflector roll 30, wherein putting screen cloth dolly 9 is installed on the ground of body front end, carry screen cloth deflector roll 30 to be installed on the upper strata of front part of a body, have on its roll surface two from the centre threaded line to extrapolation.

The rill top roll that the last main press roller 16-1 of the main press device 16 of the pressing device portion of this above-mentioned make-up machine can be a cast iron, rill on its roll surface is the rill of the independent lopping that do not link to each other mutually of rake tooth annular, in order to play longitudinal wrinkles on the wet composite sheet of moulding.

There is a scraper mechanism (22) at the paper position of rising of first drying cylinder 20 of the oven dry portion of the typing of this above-mentioned make-up machine, by the adjustable scraper of thickness (22-1), connecting rod (22-2) and (22-3), vertical positioning fulcrum (22-4), horizontal positioning fulcrum (22-5), weight linear meter (22-6) and counterweight (22-7) are formed, and this special mechanism is in order to play horizontal wrinkle on the moulding l Water Paper.

The advantage of such scheme is, at first, because upper and lower layer fourdrinier part of the present utility model adopted two long endless wires, thereby contained paper pulp is moved in the above and form smooth uniform l Water Paper layer, make that fibr tissue is even in length and breadth, help improving the intensity of composite sheet, the three-roller structure that has in the utility model in addition can make screen cloth slough excess liquid rapidly after applying auxiliary agent, and compound with the upper strata l Water Paper, the continuity of operation is good, and is compound evenly tight; Moreover, because the utility model has increased the self-draining pressure device that gives in four roads of front in the pressing device portion of original technology, thereby is convenient to pressurize gradually, be unlikely to wet composite sheet conquassation has been guaranteed the uniformity coefficient of composite sheet; Be exactly to have taked the rill processing on the main press top roll roll surface of the utility model in pressing device portion in addition, the paper position of rising at first drying cylinder of the oven dry portion of typing has been equipped with a cover creping doctor mechanism, thereby can on composite sheet, carry out two-way in length and breadth wrinkling processing, make the composite sheet of producing have horizontal vertical two-way elasticity and expansion and contraction.

Below in conjunction with accompanying drawing the utility model is made further explanation:

Fig. 1 is the first section of structural representation of the present utility model;

Fig. 2 is the back part of structural representation of the present utility model;

Fig. 3 is the structure and the scheme of installation of creping doctor of the present utility model mechanism;

Fig. 4 is the structural representation of the cast iron rill top roll of main press of the present utility model.

Embodiment 1 as depicted in figs. 1 and 2, wherein the base material input part comprises and puts screen cloth dolly 9 (wherein doing standby for), carries screen cloth deflector roll 30.Lower floor's fourdrinier part is by lower floor's fourdrinier wire slurry intake case 1, lower floor's fourdrinier wire table roll 2, and lower floor's endless wire 3, lower floor's water leg 4 and lower floor's fourdrinier wire couch roll 12 are formed.The upper strata fourdrinier part is by upper strata fourdrinier wire slurry intake case 5, upper strata table roll 6, and upper strata endless wire 7, upper strata water leg 8 and vacuum tank 29 are formed.Pressing device portion is by carrying the self-draining pressure device 14 that gives in l Water Paper felt 13, four roads, and twice rubber gives pressure roller 15, main press device 16, and felt 17 under the main press, top felt 19 and vacuumize case 29 and form.The oven dry portion of typing is by first drying cylinder 20, drying cylinder glue carrying roller 18, and hood 21, pressurization scraper 22, glue carrying roller 23, the second drying cylinders 24 and dried felt 25 is formed, and is the cooling cylinder portion that is made up of glue laminated roller 26, cooling cylinder 27 and final capstan 28 of conventional paper making equipment at last.In addition at the base material input part, there is a three-roller structure 11,11 to form between upper and lower layer fourdrinier part and the pressing device portion by the optical press roll of two glue laminated rollers up and down and a middle chromium plating, an auxiliary agent groove 10 is arranged below three-roller structure 11.

Introduce the working condition of base material input part below earlier, screen cloth (base material) twists in two and puts on the screen cloth dolly 9 and (wherein do standby for one), earlier screen cloth is pulled out to intersect simultaneously from car wherein and drew the upper strata and carry screen cloth deflector roll 30 by manpower, screen cloth is sent into automatically by deflector roll 30 and is applied auxiliary agent groove 10 then, soaked after the auxiliary agent, be stained with the lower roll of three-roller structure 11 and enter the lower roll of three-roller structure 11 and first nip between the intermediate calender rolls, get rid of redundant solution, turn over central roll again and enter second nip between top roll and the central roll, carry the l Water Paper of coming compound with the upper strata fourdrinier wire herein, in the above-mentioned course of work, output screen cloth deflector roll 30 is drive rolls, can also carry out smooth processing to screen cloth in when driving screen cloth.

The working condition of upper strata fourdrinier part is, upper strata slurry intake case 5 is sprayed on paper pulp on the upper strata endless wire 7,7 pass through on the table roll 6 of one section certain-length, unnecessary moisture content in the preliminary venting paper pulp, and make fibr tissue even, further dewater through vacuum tank 29 again, the moisture content of getting rid of is sent slurry intake case 5 back to after being collected by upper strata water leg 8, recycle, l Water Paper is under the carrying of upper strata endless wire 7, enter three-roller structure 11 second nip and with screen cloth carry out compound, last after compound the upper strata l Water Paper and screen cloth between the up-down rollers that enters lower floor's fourdrinier wire couch roll 12 under 7 the carrying, carry out compound with the lower floor l Water Paper again.

Lower floor's fourdrinier part working condition is, lower floor's slurry intake case 1 is sprayed on paper pulp on lower floor's endless wire 3, paper pulp passes through table roll 2 under 3 carrying, slough unnecessary moisture content, and make that fibr tissue is even in length and breadth in the paper pulp, further dewater through vacuum tank 29 again, the moisture content of being sloughed by above-mentioned parts is sent slurry intake case 1 recycling back to after being collected by lower floor's water leg 4, last lower floor l Water Paper between the up-down rollers that enters lower floor's fourdrinier wire couch roll 12 3 carrying under with carry out again compoundly through tentatively compound upper strata l Water Paper and screen cloth, under 7 conveying, enter self-draining first road that gives pressure device 14, four roads of pressing device portion again.

The working condition of pressing device portion is: the composite sheet behind the basic forming enters the automatic draining in four roads of pressing device portion and gives after first road of pressure device 14 under 7 conveying, 7 leave from compound l Water Paper, proceed cyclic production, compound l Water Paper gives the Hou Sandao of pressure device 14 again successively through automatic draining under the carrying of carrying l Water Paper felt 13, in this process, increase the weight of the self-draining pressure pressure that gives gradually, in the end one l Water Paper sticks the top felt 19 of main press, then l Water Paper sticks the following felt 17 of main press again under 19 conveying, l Water Paper enters twice rubber again and gives pressure device 15 and be further dehydrated under 17 and 19 pinching, 19 separate with 17 from l Water Paper again afterwards, 19 by after between drying cylinder glue carrying roller 18 and first drying cylinder 20, continue to enter cyclic production, simultaneously, l Water Paper enters between the main press device 16 under 17 carrying, 17 from l Water Paper separation continuation cyclic production then, and then l Water Paper enters between 19 and 20, under 19 carrying, be subjected to the extruding of glue carrying roller 18 and stick first drying cylinder 20, through forwarding a paper position of 20 to after 20 oven dry of first drying cylinder, the effect of scraping of the shovel of the pressurization scraper of installing herein 22 breaks away from 20 roll surface down again, and on the cylinder face that sticks second drying cylinder 24 under the effect of glue carrying roller 23, send with 24 oven dry by wrapping up in of dried felt 25 and to handle, dried paper after the composite molding enter the cooling cylinder portion that forms by glue carrying roller 26 and cooling cylinder 27 with equilibrium in internal moisture, on final capstan 28, be rolled into finished paper at last.

The overall structure of embodiment 2 is shown in Fig. 1 or 2, its structure and operation principle are basic identical with embodiment 1, just the top roll 16-1 of the main press device 16 of pressing device portion is the cast iron rill top roll of a main press, the mutual disjunct rake tooth annular rill that has independent lopping on its roll surface, as shown in Figure 4, in addition, the scraper 22 that plays the paper position at first drying cylinder 20 has changed special creping doctor into by common pressurization scraper, structure as shown in Figure 3, the thickness of the creping doctor 22-1 of this creping doctor mechanism is adjustable, creping doctor 22-1 is at connecting rod 22-2 and 22-3 in addition, vertical positioning fulcrum 22-4, fulcrum 22-5 laterally transposes, under the effect of weight linear meter 22-6 and counterweight 22-7, the angle of the cylinder face of itself and first drying cylinder 20 also is adjustable.Can be vertically wrinkling behind the main press rill top roll 16-1 of l Water Paper in through 16, increasing horizontal elasticity and expansion and contraction, can cross creped after through creping doctor mechanism 22, so that composite sheet increase expansion and contraction and elasticity longitudinally.

Claims

1, the folded net composite molding machine of a kind of double-long net, comprise the base material input part, upper and lower layer fourdrinier part and pressing device portion, above-mentioned four parts are divided the two-layer front part of a body that is installed on, base material input part and upper strata fourdrinier part one in front and one in back are installed on the anterior upper strata of body, and lower floor's fourdrinier part and pressing device portion one in front and one in back are installed on the lower floor of front part of a body, it is characterized in that, a three-roller structure (11) is installed between above-mentioned four ones, an auxiliary agent groove (10) is arranged in the below of three-roller structure (11).

2, make-up machine according to claim 1, it is characterized in that described pressing device comprises the self-draining pressure device (14) that gives in four roads, twice rubber gives pressure device (15) and main press device (16) together, more than each duct device be installed on body lower floor successively from front to back, the self-draining top roll that gives pressure device in wherein preceding four roads is a rubber roll, lower roll is the little rotary screen cage of energy pressurized, is empty in the middle of this cage, the thin copper mesh of outsourcing.

3, make-up machine according to claim 1, its feature is being done described three-roller structure (11) by two glue laminated rollers and a middle chromium plating optical press roll are formed up and down.

4, make-up machine according to claim 1, it is characterized in that described base material input part is by putting screen cloth dolly (9) and carrying screen cloth deflector roll (30) to form, wherein putting screen cloth dolly (9) is installed on the ground of body front end, carry screen cloth deflector roll (30) to be installed on the upper strata of front part of a body, carry have on the roll surface of screen cloth deflector roll (30) two from the centre threaded line to extrapolation.

5, make-up machine according to claim 2 is characterized in that, the rill top roll (16-1) of a main press is arranged in the main press device (16), have mutually on the roll surface of rill top roll (16-1) be not connected, the independent triangular ring rill of lopping.

6, make-up machine according to claim 1, it is characterized in that, the oven dry portion that one typing is arranged in the base material input part and the fourdrinier part back, upper strata on described front part of a body upper strata, a wrinkling scraper mechanism (22) is equipped with at the paper position of rising of first drying cylinder (20) in the oven dry portion of typing, and creping doctor mechanism (22) is by the adjustable scraper of thickness (22-1), connecting rod (22-2) and the fulcrum (22-4) of (22-3), vertically transposing, laterally transpose fulcrum (22-5), weight linear meter (22-6) and counterweight (22-7) formed.