CN109576863A - A kind of preparation method and preparation system of narrow hospital gauze - Google Patents

Abstract

The invention discloses the preparation methods and preparation system of a kind of narrow hospital gauze, belong to medical dressing production technical field.Method is the following steps are included: (1) woven fabric: using Looms, reserved open-width gap and bank gap make multi-disc gauze rectangular array arrange to obtain several gauzes during woven；(2) kiering: kiering is carried out after the rouleau that step (1) woven fabric obtains is wound into big volume；(3) it dries: the gauze that step (2) obtains is dried and cut to obtain single width gauze in winding forward position open-width gap；(4) cutting folds: the single width gauze that step (3) obtains being cut along bank gap and folds to obtain finished product gauze by pre-provisioning request.System includes broad loom, coiling device, kiering device, drying unit and cutting folding device.Method greatly improves production efficiency using wide cut woven fabric and big volume kiering, and system uses broad loom and uses specific cutting folding device, and the quality of product is promoted on the basis of improving efficiency.

Description

A kind of preparation method and preparation system of narrow hospital gauze

Technical field

The invention belongs to medical dressing production equipment technology, in particular to a kind of preparation method of narrow hospital gauze And preparation system more particularly to a kind of using wide cut woven fabric and the new preparation process of the narrow gauze of big volume kiering.

Background technique

Ruler angle gauze is the dedicated hospital gauze in Japan region, and size is usually 30cm*30cm, at least opposite sides Equipped with bank palpus (in addition two sides can be with or without width palpus, and width palpus length must be short compared with bank).Its preparation process is usual are as follows: narrow fabric loom is knitted Cloth obtains the single width gauze of more bank connections, batching clot obtains the de- drift of cloth, cloth, cloth drying, perching and cloth cut folding It is folded to obtain product.

In woven fabric process, narrow fabric loom the problems such as there are low efficiency and old equipment, narrow GA615 is prepared with common For type fly-shuttle loom, decades do not update and upgrade, and low, low efficiency that there are the degree of automation, noise are big, smart Spend the problems such as low and fabric is easy to pollute.

It is not appropriate for kiering after coiling since the width of narrow gauze is smaller in kiering process, cannot such as be rolled up around big, And directly adopt that rouleau utilization rate is low, and larger deformation can occur in kiering for either big volume and rouleau.It is generally necessary to floating A shape is made using corresponding equipment before boiling, shape gauze, which is piled up, carries out kiering in drift pot；There are heat utilization rate it is low and receive The problems such as shrinkage is big.Such as by taking the ruler angle gauze of 30cm*30cm as an example, when weaving, need to consider the long contraction long with width of bank, it is narrow The breadth for the monolithic gauze that loom obtains is 31.91 ± 0.5cm, the long 29.0 ± 0.4cm of bank, after kiering and drying (molding arbitrarily, Variation is too big, and contraction is not easy to be stretched to influence shrinking percentage), breadth direction can shrink 6% or so, and bank length direction shrinks 3% or so； Cause to need bigger breadth and bank long when woven fabric, and shrink situation complexity (especially in the presence of bank), may go out Now there is larger difference with a batch of product size, the product size of difference annotation has larger difference, keeps product size smart It spends undesirable.Kiering is carried out in drift pot in addition, piling up after shape single width gauze kneading is agglomerating, drift pot is generally circular, Stack density be can not uniform control, can not optimum use space, cause the waste in drift pot space, and kiering mode is single, It is typically only capable to using export-oriented washing.Specifically, 5 sarongs are put into drift pot together according to the narrow width 32cm of monovolume and boil drift, Every pot is boiled 6w meters or so of drift.Meanwhile shape gauze level stack be placed in drift pot in, be easy to cause the ring in high-pressure washing Fabric, which is bonded on cage and cage side, in border influences to boil drift effect or causes macula lutea (very big hidden danger of quality).

It needs a shape gauze simultaneously wound into rolls is straightened using dedicated equipment gauze before baking process, drying, Narrow gauze carries out drying on conventional drying unit (such as drying cylinder drying unit) will cause the significant wastage of the energy, a plurality of width For gauze wound side by side on drying cylinder, drying cylinder utilization rate is low, is not easy to operate and occur to be not easy to stop when flaw.

In addition, shape gauze it is not easy to store with transhipment, easily contamination impurity, there is flaw, it usually needs cutting fold into Row inspection cloth.

To sum up, there are more problem in existing preparation method, urgent need improves prior art.

Summary of the invention

To solve the above-mentioned problems, an object of the present invention is to provide a kind of preparation method of narrow hospital gauze, is adopted Production efficiency is greatly improved with wide cut woven fabric and big volume kiering.The second object of the present invention is to provide a kind of narrow medical yarn The preparation system of cloth uses broad loom and uses specific cutting folding device, mentions on the basis of improving efficiency Rise the quality of product.The technical solution is as follows:

On the one hand, the embodiment of the invention provides a kind of preparation methods of narrow hospital gauze, method includes the following steps:

(1) woven fabric: using Looms, reserved open-width gap and bank gap make multi-disc gauze in rectangle battle array during woven Column arrangement obtains several gauzes；

(2) kiering: kiering is carried out after the rouleau that step (1) woven fabric obtains is wound into big volume；

(3) it dries: the gauze that step (2) obtains is dried and cut to obtain single width gauze in winding forward position open-width gap；

(4) cutting folds: the single width gauze that step (3) obtains being cut along bank gap and folds to obtain finished product yarn by pre-provisioning request Cloth.

On the other hand, the embodiment of the invention also provides a kind of preparation system of narrow hospital gauze, which includes:

Broad loom: obtaining several gauzes for weaving, and in weaving, reserved open-width gap and bank gap make the multi-disc gauze be in Rectangular array arrangement；

Coiling device: the rouleau for obtaining woven fabric is wound into big volume；

Kiering device: kiering is carried out for gauze will to be rolled up greatly；

Drying unit: for carrying out drying using drying cylinder drying unit and blade being arranged before winding structure by several gauze edges It cuts to obtain single width gauze in open-width gap；

Cutting folding device: for being cut single width gauze along bank gap and folding to obtain finished product gauze by pre-provisioning request.

Technical solution provided in an embodiment of the present invention has the benefit that the embodiment of the invention provides a kind of narrow The preparation method and preparation system of hospital gauze can not use perching process or collect in cutting folding device for production At inspection cloth structure, processing step is simplified, while improving work efficiency in woven fabric, kiering and baking process etc., dropped Low production cost；For product, Product Precision is improved.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of ruler angle gauze；

Fig. 2 is the structural schematic diagram of cutting folding device provided in an embodiment of the present invention；

Fig. 3 is the structural schematic diagram of bank combing location structure provided in an embodiment of the present invention；

Fig. 4 is the side view of bank combing location structure provided in an embodiment of the present invention；

Fig. 5 is the structural schematic diagram of combing plate provided in an embodiment of the present invention；

Fig. 6 is the structural schematic diagram of doubled-over configuration provided in an embodiment of the present invention；

Fig. 7 is the partial structure diagram on the inside of storage cloth structure provided in an embodiment of the present invention；

Fig. 8 is the structural schematic diagram that lifting fabric guide roll provided in an embodiment of the present invention is combined with bar shaped sliding slot；

Fig. 9 is the partial enlarged view of Fig. 2；

Figure 10 is the structural schematic diagram of transfer roller provided in an embodiment of the present invention；

Figure 11 is the flow chart of the preparation method of narrow hospital gauze provided by the invention；

Figure 12 is the flow chart for cutting folding process.

In figure: 1 gauze, cloth structure, 3 banks combing location structure, 4 doubled-over configurations, 5 storage cloth structures, 6 transfer rollers cutting knot on 2 Structure, 7 foldable structures, 8 traction rollers；

21 jockey pulleys；

31 passive guide rollers, 32 combing plates, 33 comb teeth, 34 transmission shafts, 35 friction bands, 36 sprocket wheels, 37 chains；

41V shape cloth folded board, 42 roller pair structures, 43 selvage guide structures, 44 guide posts；

51 cloth storage machine framves, 52 lifting fabric guide rolls, 53 drive rolls, 54 clamping cloth rollers, 55 bar shaped sliding slots, 56 linear gears, 57 walking teeth Wheel, 58 position sensors, 59 sliding rails；

61 transfer rollers, 62 cutters, 63 dynamic cutters, 64 flexible tooth plates, 65 blade tooths, 66 radial grooves, 67 press idler wheel, 68 dynamic tops surely Pressing roller；

12 sliding blocks, 13 brake cylinders, 14 bull sticks, 15 compression bars, 16 tension springs, 17 top wheels, 18 bearings.

Specific embodiment

To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing Step ground detailed description.

Embodiment 1

Referring to Figure 11, embodiment 1 provides a kind of preparation method of narrow hospital gauze, method includes the following steps:

(1) open-width gap (weft direction) and bank gap (warp thread side woven fabric: are reserved during woven using Looms To) multi-disc gauze rectangular array is made to arrange to obtain several gauzes.

(2) kiering: kiering is carried out after the rouleau that step (1) woven fabric obtains is wound into big volume.

(3) it dries: the gauze that step (2) obtains is dried and cut to obtain single width gauze in winding forward position open-width gap.

(4) cutting folds: the single width gauze that step (3) is obtained cuts along bank gap and by pre-provisioning request (usually 4 Folding, 6 foldings or 8 foldings) it folds and obtains finished product gauze.

Specifically, in step (1), when woven fabric, the width number of several gauzes is 4-8 width (common is 5 width or 6 width), open-width Gap is 0.4-1.0cm.

Specifically, in step (1), when woven fabric, breadth is the breadth * (1+ shrinking percentage) of finished product gauze, and bank is long and finished product The bank length of gauze is equal, and (maximum contraction rate can not consider to shrink 1% or so since the required precision of bank length direction is slightly lower Rate), shrinking percentage 5.0-5.5%.Relative to common process, breadth when weaving can be reduced and bank is long.

Specifically, in step (1), a length of 28.0-28.4cm of the bank of monolithic gauze, bank gap is 2.9-3.1cm, breadth For 31.4-31.8cm；In step (3), a length of 27.8-28.5cm(precision of the bank of the monolithic gauze after drying is lower), breadth For 29.8-30.2cm.

Specifically, in step (1), filling density is 250-360 root/bank, Jing Miwei 270-380 root/width when woven fabric.Specifically " specification, filling density are 334/bank, 366/width of Jing Miwei on ground, for 40/30x30x12.5；" the rule for 32/24x22x12.5 Lattice, filling density are 256/bank, 280/width of Jing Miwei.

Certainly, the present embodiment can also be used for producing the ruler angle gauze of other specifications, corresponding sill length, breadth, filling density, through close It is adaptively adjusted with bank gap etc..

Specifically, in step (2), the meter Chang Wei 1.2-1.5 myriametre rolled up greatly, coiling thickness is less than 0.5m for controlling volume It is too loose to be easy the cage that collapses around density, it tightly will affect very much bleaching effect.

Specifically, it in step (2), (preferably, is specially inwardly sprayed by roll of gauze surrounding using introversion and extroversion washing when kiering Water and sprayed water outward by the axis of roll of gauze) or export-oriented washing (inwardly being sprayed water by roll of gauze surrounding), by multiple (2-4) big volumes It stacks to be placed in horizontal drift pot of corresponding size along its axial direction and carries out kiering.

Specifically, in step (3), carrying out drying using drying cylinder drying unit and blade is arranged before winding structure will Several gauzes cut to obtain single width gauze along open-width gap, need the size rolled up to be wound into adaptation according to cutting folding process big It is small, such as on 76mm axis, diameter 80cm.

Specifically, referring to Figure 12, in step (4), cutting folding process includes:

Cloth on 401: single width gauze is exported.

The combing positioning of 402 banks: the bank of single width gauze is combed and is positioned, can be dusted before combing, tension adjustment And/or metal removal etc., it is desirable to carry out tension adjustment.

403 doublings: single width gauze is subjected to doubling.

404 storage cloth: storage cloth is carried out to the single width gauze after doubling and adjusts tension.

405 cuttings: it is cut the single width gauze after doubling to obtain monolithic gauze along bank gap, can be carried out before cutting Perching and/or electrostatic removal, preferably progress electrostatic removal.

406 fold: being folded to obtain finished product gauze to monolithic gauze by pre-provisioning request.

The preparation method for present embodiments providing a kind of narrow hospital gauze rolls up kiering greatly with big using wide cut woven fabric Improve production efficiency.

Embodiment 2

Embodiment 2 provides a kind of preparation method of narrow hospital gauze, method includes the following steps:

(1) open-width gap and bank woven fabric: are reserved during woven using 230 type Looms (230cm breadth (reed width)) Gap makes multi-disc gauze rectangular array arrange to obtain several gauzes；Width number is 6 width, and open-width gap is 0.6cm, and bank is a length of 28.0-28.4cm, bank gap are 2.9-3.1cm, and breadth 31.4-31.8cm, filling density is 334/bank, 366/width of Jing Miwei (every side 4x2 root is close to be knitted).Its manufacturing method is that the technical staff of ability can be designed as needed, specifically may refer to apply Number be CN201310720029.2 patent.

(2) kiering: being wound into big volume for the rouleau that step (1) woven fabric obtains, 1.3 myriametre of meter Chang Wei rolled up greatly, diameter (centre is equipped with axis) is 1.8 meters；Kiering, two big volume point are carried out using the horizontal drift pot of (such as 1.86 meters) more slightly larger than big coil diameter It is not placed in sarong, and axially stacks (between partition is set), washed using introversion and extroversion, other kiering parameters and prior art phase Together.

(3) it dries: the gauze that step (2) obtains dry and set before winding structure using drying cylinder drying unit Blade is set by several gauzes to cut to obtain 6 single width gauzes along open-width gap (every cutting is wound as being suitble to the web-like yarn of size Cloth).

(4) cutting fold: its process the following steps are included:

Cloth on 401: single width gauze is exported.

The combing positioning of 402 banks: its bank is combed and is positioned after the tension of single width gauze is adjusted.

403 doublings: single width gauze is subjected to doubling.

404 storage cloth: storage cloth is carried out to the single width gauze after doubling and adjusts tension.

405 cuttings: gauze is carried out being cut the single width gauze after doubling to obtain list along bank gap after line perching Piece gauze.

406 fold: obtaining finished product gauze after carrying out 4 foldings to monolithic gauze.

Lower EDS maps are illustrated the case where woven fabric process:

Prior art: old extra narrow cloth machine when woven fabric: dress the long 29.0+/- 0.3cm of cloth bank, bank gap 3+/- 0.1cm, breadth 31.9 +/- 0.3cm/ width, long 1000m of rice or so/volume, woven fabric can only knit 1 width.

Technique of the invention: the long 28.2+/- 0.2cm of bank, bank gap 2.9+/- 0.1cm, breadth 31.6 Looms: is wrapped +/- 0.2cm/ width, rice is 3000-4000 meters long/volume, totally 6 width.

From the above comparison as can be seen that the monovolume rice of Looms is long longer, production efficiency is higher.

(Japanese ruler angle 40/30x30x12.5 ") is illustrated to the case where kiering process below:

Prior art: narrow sarong diameter is 1650cm, and every about 12000 meters of cage mounted dress volume, every pot is boiled 5 cages, and total quantity is about It is 60000 meters.

Technique of the invention: horizontal pot internal diameter 1860cm, diameter is 1800cm, 5 width single thread cage clot rice after sarong clot About 75000 meters (15000*5) of number, 3 sarongs for the treatment of different things alike are total to treat different things alike about 225000 meters of drift；6 width single thread cage clot rice numbers About 78000 meters (13000*6), 2 sarongs for the treatment of different things alike are total to treat different things alike about 156000 meters of drift.

From the above comparison as can be seen that when technique provided by the invention each kiering the amount that handles it is bigger, it is more energy saving.Separately Outside, in prior art, having has a small amount of macula lutea in the batch products of part, and all batches are without macula lutea in technique of the invention.

For 40/30x30x12.5 " specification fabric, loom woven fabric specification are as shown in table 1:

Table 1

Technique	Total radical/the width of warp thread	Breadth on every width machine	Bank is long on machine	Gap on machine	Filling density/bank
						It is existing	336	31.91±0.5	28.9±0.4cm	3±0.1cm	334
The present embodiment	336	31.57±0.3	28.2±0.2cm	3±0.1cm	334

For 32/24x22x12.5 " specification fabric, loom woven fabric specification are as shown in table 2:

Table 2

Technique	Total radical/the width of warp thread	Breadth on every width machine	Bank is long on machine	Gap on machine	Filling density/bank
						It is existing	280	31.88±0.5	28.9±0.4cm	3±0.1cm	256
The present embodiment	280	31.53±0.3	28.3±0.2cm	3±0.1cm	256

From table 1 and 2 as can be seen that obtaining identical finished product gauze, using technique of the invention: breadth is slightly smaller, and bank length can not Consider contraction change.

Fabric and degreasing cloth (specification is 40/30x30x12.5 ") for different batches, after warp-knit cloth, kiering and drying Gauze specification it is as shown in table 3:

Table 3

From table 3 it can be seen that using technique of the invention: in woven fabric process, the size range with a batch of fabric is narrower, no Change in size with the product of batch is little, is convenient for subsequent production；After baking process, with the size model of a batch of degreasing cloth Enclose narrower, the change in size of the product of different batches is little, and product is more stable, and precision is higher.

Baking process cost accounting:

Prior art drift pot is that 5 sarongs are put into drift pot together to boil drift according to the narrow width 32cm of monovolume, and every pot is boiled drift 6w Rice or so；Technique of the invention will float breadth 184cm(5 width x3 cage of the pot according to several) and 223cm(6 width x2 cage) carry out more Change, and boil drift from being changed to the inside and outside technology mode washed to washing in front of, every pot is boiled and floats 156000m -225000m, greatly Increase capacity and save fuel cost and water power cost.Tangible costs: it is calculated according to 0.08 yuan/m of unit cost, save the cost Are as follows: (225000-60000) x0.08 member=13200 yuan/pot.Intangible cost: boiling drift 4 pots of x12h=48h of 22.5w meters of needs before, 22.5w meters of drift is boiled now only needs 1 pot of x5h=5h.

Using different process, treated that finished product is as shown in table 4:

Table 4

From table 4, it can be seen that technique of the invention and the finished product physicochemical property that prior art obtains are similar.

From the present embodiment as can be seen that in weaving process, relative to prior art, breadth and long smaller, the monovolume length of bank Bigger, obtained fabric precision is higher, and loom efficiency is higher；In kiering process, kiering is more efficient, and the kiering time is shorter, can In a manner of using more kierings；In baking process, drying efficiency is higher.Finally obtained product, precision is higher, and physical and chemical Property is similar with routine.Generally speaking, production efficiency is higher, Product Precision is more preferable.

Embodiment 3

Embodiment 3 provides a kind of preparation system of narrow hospital gauze, the method which can be provided using Examples 1 and 2, Include:

Broad loom: obtaining several gauzes for weaving, and in weaving, reserved open-width gap and bank gap make the multi-disc gauze be in Rectangular array arrangement.

Coiling device: the rouleau for obtaining woven fabric is wound into big volume.

Kiering device: kiering is carried out for gauze will to be rolled up greatly.

Drying unit: for carrying out drying using drying cylinder drying unit and blade (multi-disc knife being arranged before winding structure Piece is arranged side by side, and settable hitch structure increases the distance before each cloth thereafter) several gauzes are cut along open-width gap Obtain single width gauze.

Cutting folding device: for being cut single width gauze along bank gap and folding to obtain finished product gauze by pre-provisioning request.

Specifically, cutting folding device includes:

Upper cloth structure: for actively exporting single width gauze to roller using a pair.

Bank combs location structure: being driven by single width gauze and around the combing plate of desired trajectory shuttling movement for using to bank It is combed and is positioned.

Doubled-over configuration: for single width gauze to be carried out doubling.

Storage cloth structure: for using lifting fabric guide roll and separable drive roll and clamping cloth the roller realization pair that can be moved up and down The Chu Buyu tension adjustment of single width gauze.

Transfer roller cutting structure: for cooperating dynamic cutter by single width gauze using with the stretch transfer roller of tooth plate and cutter of muti-piece Along bank gap cut to obtain doubling after monolithic gauze.Wherein, the tooth plate that stretches be close to cutter and adjacent expansion tooth plate with it is adjacent The distance between cutter is corresponding with bank length, certain two pieces adjacent flexible tooth plates are stretched out and are embedded in adjacent two bank for fixing Single width gauze, and corresponding one piece of flexible tooth plate is shunk when dynamic cutter is cut.

Foldable structure: for being folded to obtain by the monolithic gauze after doubling by pre-provisioning request (automatically or semi-automatically) Product gauze.

Wherein, and the cutting speed of transfer roller cutting structure is corresponding and respectively less than drive roll is led for the cloth outputting speed of upper cloth structure Cloth speed, drive roll are intermittently separated with clamping cloth roller；When separation, gauze stops advancing, and lifting fabric guide roll rises；In conjunction with when, Gauze successively conveys, lifting fabric guide roll decline；Going up and down fabric guide roll can guarantee the tension of gauze.Preferably, upper in the present embodiment Cloth structure and bank combing location structure are equipped with the tension that tension adjustment structure is used to adjust gauze, are specifically as follows more tension Roller (such as 3), at least one jockey pulley is relative to other jockey pulley adjustable positions, and gauze is with S-shaped around excessive root jockey pulley.

Preferably, the upper cloth structure in the present embodiment and between tension adjustment structure be equipped with dust absorbing structure be used for gauze Two sides carries out dust suction.

Preferably, the upper cloth structure in the present embodiment and between tension adjustment structure be equipped with metal removal structure be used for yarn The two sides of cloth carries out metal removal.Metal removal structure includes more traction rollers and the magnetic stripe that two panels is arranged perpendicular to gauze, more Root traction roller draws gauze straight up, then traction straight down (is respectively spaced a piece of magnetic of setting in the gauze two sides of this section Item), gauze impurity during rise and fall is fallen due to being self-possessed.

Preferably, electrostatic is set between the storage cloth structure in the present embodiment and transfer roller cutting structure and removes structure for yarn The two sides of cloth carries out electrostatic removal, specially common Xelminator.

Preferably, on-line checking structure is arranged between the storage cloth structure in the present embodiment and transfer roller cutting structure to be used for yarn Cloth is detected.On-line checking structure includes host, perching plate, headlamp and camera etc..

A kind of preparation system of narrow hospital gauze is present embodiments provided, the system is using several looms dedicated for life Produce ruler angle gauze.

Embodiment 4

Cutting folding device disclosed in embodiment 3 is specifically described in embodiment 4, which includes along gauze 1 Conveying direction set gradually upper cloth structure 2, doubled-over configuration 4, bank combing location structure 3, storage cloth structure 5, transfer roller cutting knot Structure 6 and foldable structure 7 etc.；Upper cloth structure 2 is used to carry out upper cloth output with narrow batching, usually by for placing roll of gauze Unreel structure, more traction rollers and it is a pair of to roller (drive roll (by corresponding motor driven) and a passive guide roller, make gauze to Advance afterwards) it constitutes；Bank combing location structure 3 is for alignment when being combed to the bank of gauze 1 and position centering to guarantee doubling； Doubled-over configuration 4 is used to gauze 1 carrying out doubling, similar with conventional structure；Storage cloth structure 5 is used to store up cloth guarantee before cutting and cuts Process is carried out by fixed beat and adjusts tension；Foldable structure 7 be used for by scheduled folding mode to the gauze after cutting into Row folds (full-automatic or semi-automatic) and obtains Gauze.

Further, referring to fig. 2, upper cloth structure 2, bank combing location structure 3 and doubled-over configuration 4 be sequentially arranged in left and right to On horizontal support, it (can be cloth that storage cloth structure 5, transfer roller cutting structure 6 and foldable structure 7, which are sequentially arranged in sagittal longitudinal carrier, Rack 51) on, horizontal support is vertical with longitudinal carrier, and gauze 1 is in doubled-over configuration 4(selvage guide structure 43) at commutate.Each structure and Traction roller 8 is set as needed between component in structure for guiding gauze 1.

Wherein, referring to fig. 2-5, bank combing location structure 3 include one can be by passive guide roller 31 and at least one that gauze 1 drives Block is driven by passive guide roller 31 and by the combing plate 32 etc. of desired trajectory (such as triangle) shuttling movement.Wherein, passive guide roller 31 with Combing plate 32 is each perpendicular to gauze 1, combs comb teeth 33 of the plate 32 when combing position close to gauze 1 and thereon to bank (at this time just To bank) it handles, other positions are far from gauze 1；When muti-piece combs plate 32, the distance between adjacent combing plate 32 and bank length pair It answers.Specifically, combing plate 32 is stripe board, which is provided with the comb teeth 33 with bank cooperation, and comb teeth 33 is evenly distributed on combing plate 32 Upper and vertical with combing plate 32, comb teeth 33 is specially straight-tooth, the size of comb teeth 33 preferably with adjacent bank must the distance between cooperate. Combing plate 32, which is moved to, combs position close to gauze 1() when, comb teeth 33 combs bank and positions, and (comb teeth 33 is along gauze 1 Conveying direction bank is combed, the face that the rotation of comb teeth 33 is constituted when combing parallel must can simultaneously be inserted into adjacent bank palpus with bank Between).

Specifically, referring to fig. 2-5, the bank combing location structure 3 in the embodiment of the present invention includes a passive guide roller 31 and two Root transmission shaft 34, passive guide roller 31 and two transmission shafts 34 distribution triangular in shape (rotation is set in corresponding rack).Specifically, yarn Cloth 1 is laid out (in terms of the outbound course of gauze 1) from 31 downside of passive guide roller backward straight down, and a transmission shaft 34 is located at passive guide roller 31 tops and the adjacent rear side (close to gauze 1) for being located at gauze 1, another transmission shaft 34 are located at 31 rear of passive guide roller and are located at yarn The top of cloth 1.The friction that the end surface of passive guide roller 31 is wound with tensioning is arranged with 35(along the conveying direction of gauze 1) for preventing Only its inertia (the intermittent advance of gauze 1 before storage cloth structure 5).The both ends of passive guide roller 31 and transmission shaft 34, which cooperate, is equipped with sprocket wheel 36 and ipsilateral sprocket wheel 36 two panels combing plate 32(is equipped with by 37 Synchronous Transmission of chain, between two chains 37 along the defeated of gauze 1 Direction interval is sent to be arranged), the both ends of combing plate 32 are fixed on the corresponding chain link of two chains 37, between two blocks of combing plates 32 Distance is corresponding with the bank of gauze 1 length.Gauze 1 is around passive guide roller 31 and drives its rotation, only when combing plate 32 is gone to closest to yarn At cloth 1 when (transmission shaft 34 of top), comb teeth 33, which is inserted into bank, carries out bank along the conveying direction (straight down) of gauze 1 Combing and positioning.

Preferably, referring to fig. 2, the upper cloth structure 2 in the embodiment of the present invention include along gauze 1 conveying direction be arranged side by side Three jockey pulley 21(be each perpendicular to gauze 1 setting) constitute tension adjustment structure, intermediate jockey pulley 21 is relative to two sides For 21 adjustable position of jockey pulley for adjusting tension, gauze 1 successively bypasses three jockey pulleys 21 with S-shaped.Specifically, three tension Roller 21 vertical direction side by side, gauze 1 is laid out to roller, first upwards, is successively conducive to impurities removal still further below around three jockey pulley 21( And dedusting), finally around to passive guide roller 31.

Wherein, referring to fig. 2 with 6, the doubled-over configuration 4 in the embodiment of the present invention includes the V-arrangement folding from top to bottom set gradually Fabric swatch 41(V shape), roller pair structure 42 and selvage guide structure 43 etc., set-up mode is similar with conventional doubled-over configuration.Wherein, passively The gauze 1 of the output of roller 31 (between settable traction roller 8) send to V-arrangement cloth folded board 41 and carries out doubling, after 42 roll-in of roller pair structure It is sent by selvage guide structure 43 to storage cloth structure 5, selvage guide structure 43 is made of more traction rollers 8.V-arrangement cloth folded board 41 is defeated along gauze 1 Send that direction is arranged obliquely and the two sides of upper part are respectively provided with a guide post 44, two guide posts 44 are located at gauze 1(not Before doubling) for guiding gauze 1, guide post 44 is cylinder and perpendicular to V-arrangement cloth folded board 41 for the adjacent outer of respective side.It is preferred that Ground, V-arrangement cloth folded board 41 are adjustably set on horizontal support.

Wherein, referring to fig. 2,7 and 8, the storage cloth structure 5 in the embodiment of the present invention includes cloth storage machine frame 51, lifting fabric guide roll 52 and the drive roll 53 on cloth storage machine frame 51, above drive roll 53 and can move up and down 54, two, clamping cloth roller vertically set The braking mechanism etc. that the bar shaped sliding slot 55 and control clamping cloth roller 54 set move up and down, drive roll 53, clamping cloth roller 54 and lifting selvage guide Roller 52 is vertical with gauze 1, and lifting fabric guide roll 52 is set to 53 back lower place of drive roll, and drive roll 53 is revolved by corresponding motor driven Turn.The strip groove vertically arranged set on two bar shaped sliding slot 55(is slided respectively and is rotated at the both ends of lifting fabric guide roll 52, above and below Both ends be equipped with position sensor 58, position sensor 58 cooperate 13 pairs of storage cloth processes of brake cylinder control) in and can be free It falls and gauze 1 is driven to decline.Drive roll 53 and clamping cloth roller 54 constitute roller pair structure, and driving gauze 1 is advanced when clamping.Gauze 1 by Pass through between drive roll 53 and clamping cloth roller 54, down around lifting fabric guide roll 52 downside, then upwards around to transfer roller cutting structure 6, That is lifting 52 pocket of fabric guide roll is on gauze 1.(front side or rear side) is perpendicular equipped with linear gear 56(in parallel on bar shaped sliding slot 55 To set on 55 inside of bar shaped sliding slot), the end of lifting fabric guide roll 52 is equipped with the walking gear 57(engaged with linear gear 56 and liter Drop fabric guide roll 52 is coaxially disposed) make its both ends synchronous slide (linear gear 56 at both ends is corresponding with walking gear 57).Drive roll 53 convey backward with (conveying speed is fast compared with speed of cut) when the clamping of clamping cloth roller 54, gauze 1, go up and down fabric guide roll 52 along linear gear 56 fall, until when the position sensor 58 of lower end；Braking mechanism separates drive roll 53 with clamping cloth roller 54, and gauze 1 before stops Only advance, and gauze 1 later does not stop to cut traveling drive lifting fabric guide roll 52 along the rising of linear gear 56；To the position of upper end When sensor 58, braking mechanism clamps drive roll 53 and clamping cloth roller 54, and so on realize Chu Buyu tension adjustment.

Specifically, referring to fig. 2 with 7, the drive roll 53 in the embodiment of the present invention is the smooth metallic roll of roll surface, clamping cloth roller 54 (middle part) is equipped with the anti-slip layer (such as tetrafluoroethene layer) cooperated with gauze 1 on roller and its roll surface, and the both ends of clamping cloth roller 54 turn It is dynamic to be set on the sliding block 12(cloth storage machine frame 51 that can slide up and down the sliding rail 59 being correspondingly provided with along the vertical direction) on.Wherein, it brakes Mechanism includes the top wheel 17 etc. on brake cylinder 13, bull stick 14, compression bar 15, tension spring 16 and bull stick 14, and brake cylinder 13 is set to storage 51 side of cloth rack (specifically can be vertically arranged), bull stick 14 is perpendicular to gauze 1 and rotation is set on cloth storage machine frame 51, bull stick 14 It is respectively positioned on 1 top of gauze with compression bar 15, compression bar 15 is located at right above sliding block 12.The telescopic rod of brake cylinder 13 and 14 one end of bull stick Hingedly (hinged joint) can drive its rotation.Compression bar 15 is perpendicular to bull stick 14, and compression bar 15 is along front and back to (with the traveling side of gauze To) setting, one end (rear end) rotation is on cloth storage machine frame 51, and middle part is with sliding block 12 below hingedly for driving cunning Block 12 slides up and down, and the tension spring 16 being equipped between the other end (rear end) and cloth storage machine frame 51 for depressing sliding block 12 constitutes lever Structure.Top wheel 17 acts against 15 middle part downside of compression bar and is rotated up and down compression bar 15 around one end by the rotational energy of top wheel 17. Top wheel 17 is specially the circle wheel (coaxial with bull stick 14) of upper notch, and 15 contact position of upside and compression bar (press lifting position) is equipped with Mutually matched bearing 18.Certainly, the structures such as top wheel 17 or ellipse.

Wherein, referring to fig. 2,9 and 10, the transfer roller cutting structure 6 in the present embodiment includes that transfer roller 61(is driven by corresponding motor Dynamic rotation), on transfer roller 61 interval setting and with the cutter 62 of the long cooperation of the bank of gauze 1,61 side of transfer roller (usually rear side, with It is the conveying direction meter of gauze, rear same) and the dynamic cutter 63 that cooperates with cutter 62 and flexible on transfer roller 61 and be close to cut surely Flexible tooth plate 64 of knife 62 etc., cutter 62 and dynamic cutter 63 are bar blade, and cutter 62 is radial set on it along transfer roller 61 On circumferential surface, the coiling length of the gauze 1 between adjacent cutter 62 is corresponding with bank length.Dynamic cutter 63 can be by corresponding driving structure It drives to a piece of cutter 62 and moves (the piece cutter 62, which is just gone to, at this time cuts position (Kan Chu)).Flexible tooth plate 64 is along turning The radial expansion of roller 61 is arranged and, flexible tooth plate 64(outside adjacent and parallel with cutter 62) it is equipped with the blade tooth cooperated with bank 65, the distance between adjacent expansion tooth plate 64 (coiling length of gauze 1) is corresponding with bank length.On dynamic cutter 63 and flexible tooth plate 64 Cooperation is equipped with extrusion structure (such as idler wheel, briquetting) for allowing the flexible contraction of tooth plate 64 to be reduced to blade tooth 65 thereon when cutting It avoids influencing to cut on the inside of cutter 62；It is non-when cutting (except position is cut), the tooth plate 64 that stretches stretches out (such as passing through elastomeric element) Blade tooth 65 thereon is set to extend to 62 outside of cutter and can be inserted into corresponding bank (face bank at this time) by the fixation of gauze 1 and to bank It is combed.Further, from the upside of transfer roller 61 around entering, the blade tooth 65 around fashionable one piece flexible tooth plate 64 is inserted into bank gauze 1 And drive 1 back rotation of gauze to position is cut, it moves cutter 63 and is moved to cutter 62, flexible tooth plate 64 is made to shrink and realize sanction It cuts, the flexible tooth plate 64 of adjacent another piece (before) is inserted into latter bank when cutting, i.e. guarantee gauze 1 is wound on phase on transfer roller 61 When cutting position, the flexible tooth plate 64 of one piece of the place of cutting is shunk two pieces of flexible tooth plate 64(of neighbour) blade tooth 65 be inserted into adjacent two bank In.

Wherein, referring to fig. 2,9 and 10, the flexible tooth plate 64 in the embodiment of the present invention is stripe board and its outside is equipped with and bank The blade tooth 65 of cooperation, the radial grooves 66 for being radially equipped with multiple installations on the circumferential surface of transfer roller 61 and being slided for flexible tooth plate 64 (rectangular channel), it is ipsilateral (adjacent) that multiple radial grooves 66 are located at corresponding cutter 62.Flexible tooth plate 64 is set to radial groove 66 In and between be equipped with and make its outwardly directed spring, as setting on the inside of flexible tooth plate 64 between 66 bottom of radial groove.It stretches It is equipped between contracting tooth plate 64 and transfer roller 61 and stretches out the position limiting structure that extreme position is limited to it, be such as arranged in 61 circumferential surface of transfer roller On set retention bead or postive stop baffle etc. (outer end of flexible tooth plate 64 abuts against realizes limit thereon).The both ends of flexible tooth plate 64 (stretching out transfer roller 61 to two sides) is equipped with that vertical with gauze 1 to determine press idler wheel 67(shaft parallel with the shaft of transfer roller 61), two Surely the two sides that press idler wheel 67 is located at transfer roller 61 guarantee to shrink.The both ends of dynamic cutter 63 are equipped with to be cooperated with fixed press idler wheel 67 Briquetting or dynamic press idler wheel 68(it is preferred) etc. for shrinking flexible tooth plate 64 when cutting；When cutting, dynamic cutter 63 to cutting surely Press idler wheel 67 shrinks flexible tooth plate 64 surely for the movement of knife 62 and briquetting thereon or dynamic press idler wheel 68 press, at the same with cut surely The cooperation of knife 62 cuts gauze 1 along bank.

Preferably, the flexible tooth plate 64 in the embodiment of the present invention is located at the adjacent rear side of cutter 62 (with the traveling side of gauze 1 To meter) and blade tooth 65 thereon by interior (inner end radial direction vertical and along transfer roller 61 with flexible tooth plate 64) to outside backward (with gauze 1 Direction of travel meter) bending (arc), bending angle cannot be inserted into bank greatly very much.

Specifically, the gauze 1 in the embodiment of the present invention be around in transfer roller 61(be specially upside and rear side) on when, remain Adjacent two pieces of flexible tooth plate 64(stretch out, and only when cutting position, corresponding flexible tooth plate 64 is shunk) blade tooth 65 be inserted into it is adjacent The fixation of gauze 1 is realized in two banks.Specifically, settable three pieces cutter 62 and three pieces of flexible tooth plates 64 on transfer roller 61.

The embodiment of the invention provides a kind of cutting folding device, which passes through between upper cloth structure and doubled-over configuration Increase bank combing location structure for making bank in order and carrying out centering and positioning to guarantee doubling precision；By improving transfer roller cutting knot Structure is for fixing gauze guarantee cutting precision and can also make bank in order；The finished product of product can be improved relative to conventional equipment for the device Yield rate can be promoted to 99.8% or so by 98.7% or so by production practices, substantially without waste product by rate；Also efficiency can be improved, Substantially without shutdown adjustment, 1.7-3.5% or so can be promoted.

The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of preparation method of narrow hospital gauze, which is characterized in that the described method comprises the following steps:

(1) woven fabric: using Looms, reserved open-width gap and bank gap make multi-disc gauze in rectangle battle array during woven Column arrangement obtains several gauzes；

(2) kiering: kiering is carried out after the rouleau that step (1) woven fabric obtains is wound into big volume；

(3) it dries: the gauze that step (2) obtains is dried and cut to obtain single width gauze in winding forward position open-width gap；

(4) cutting folds: the single width gauze that step (3) obtains being cut along bank gap and folds to obtain finished product yarn by pre-provisioning request Cloth.

2. the preparation method of narrow hospital gauze according to claim 1, which is characterized in that in step (1), woven fabric When, the width number of several gauzes is 4-8 width, and open-width gap is 0.4-1.0cm.

3. the preparation method of narrow hospital gauze according to claim 1, which is characterized in that in step (1), woven fabric When, breadth is the breadth * (1+ shrinking percentage) of finished product gauze, and bank is long equal with the bank of finished product gauze length, and the shrinking percentage is 5.0- 5.5%。

4. the preparation method of narrow hospital gauze according to claim 2, which is characterized in that in step (1), monolithic yarn The a length of 28.0-28.4cm of the bank of cloth, bank gap are 2.9-3.1cm, breadth 31.4-31.8cm, and filling density is 250-360 when woven fabric Root/bank, Jing Miwei 270-380 root/width；In step (3), a length of 27.8-28.5cm of bank of the monolithic gauze after drying, breadth For 29.8-30.2cm.

5. the preparation method of narrow hospital gauze according to claim 1, which is characterized in that in step (2), roll up greatly Meter Chang Wei 1.2-1.5 myriametre, coiling thickness are less than 0.5m.

6. the preparation method of narrow hospital gauze according to claim 1, which is characterized in that in step (2), when kiering Using introversion and extroversion washing or export-oriented washing, multiple big volumes are stacked to be placed in horizontal drift pot of corresponding size along its axial direction and are floated It boils.

7. the preparation method of narrow hospital gauze according to claim 1, which is characterized in that in step (3), using baking Cylinder drying unit carries out drying and setting blade cuts several gauzes along open-width gap to obtain single width yarn before winding structure Cloth.

8. the preparation method of narrow hospital gauze according to claim 1, which is characterized in that in step (4), described point Cutting folding process includes:

Cloth on 401: single width gauze is exported；

The combing positioning of 402 banks: the bank of single width gauze is combed and is positioned；

403 doublings: single width gauze is subjected to doubling；

404 storage cloth: storage cloth is carried out to the single width gauze after doubling and adjusts tension；

405 cuttings: it is cut the single width gauze after doubling to obtain monolithic gauze along bank gap；

406 fold: being folded to obtain finished product gauze to monolithic gauze by pre-provisioning request.

9. a kind of preparation system of narrow hospital gauze, which is characterized in that the system comprises:

Broad loom: obtaining several gauzes for weaving, and in weaving, reserved open-width gap and bank gap make the multi-disc gauze be in Rectangular array arrangement；

Coiling device: the rouleau for obtaining woven fabric is wound into big volume；

Kiering device: kiering is carried out for gauze will to be rolled up greatly；

Drying unit: for carrying out drying using drying cylinder drying unit and blade being arranged before winding structure by several gauze edges It cuts to obtain single width gauze in open-width gap；

Cutting folding device: for being cut single width gauze along bank gap and folding to obtain finished product gauze by pre-provisioning request.

10. the preparation system of narrow hospital gauze according to claim 9, which is characterized in that the cutting folding device Include:

Upper cloth structure: for actively exporting single width gauze to roller using a pair；

Bank combs location structure: being driven for using by single width gauze and is carried out around the combing plate of desired trajectory shuttling movement to bank Combing and positioning；

Doubled-over configuration: for single width gauze to be carried out doubling；

Storage cloth structure: for being realized using the lifting fabric guide roll and separable drive roll and clamping cloth roller that can move up and down to single width The Chu Buyu tension adjustment of gauze；

Transfer roller cutting structure: for cooperating dynamic cutter by single width gauze along bank using with the stretch transfer roller of tooth plate and cutter of muti-piece Monolithic gauze is cut to obtain in gap, the flexible tooth plate be close to cutter and between adjacent expansion tooth plate and adjacent cutter away from Corresponding with bank length from, certain two pieces adjacent flexible tooth plates, which are stretched out and are embedded in adjacent two bank, is used to fix single width gauze, and Corresponding one piece of flexible tooth plate contraction when cutting of dynamic cutter；

Foldable structure: finished product gauze is obtained for being folded monolithic gauze by pre-provisioning request；

The cloth outputting speed of the upper cloth structure is corresponding with the cutting speed of transfer roller cutting structure and the selvage guide of respectively less than drive roll speed Degree, the drive roll are intermittently separated with clamping cloth roller.