CN103233322A - Manufacturing method and special needling equipment for collagen fiber regenerated bark - Google Patents
Manufacturing method and special needling equipment for collagen fiber regenerated bark Download PDFInfo
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- CN103233322A CN103233322A CN2013101201643A CN201310120164A CN103233322A CN 103233322 A CN103233322 A CN 103233322A CN 2013101201643 A CN2013101201643 A CN 2013101201643A CN 201310120164 A CN201310120164 A CN 201310120164A CN 103233322 A CN103233322 A CN 103233322A
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Abstract
The invention relates to a manufacturing method for collagen fiber regenerated bark, which comprises the steps of dissolving fiber, lapping, needling, cutting edge, rolling, packaging and the like in sequence, wherein the needling process is carried out in a special needling machine or a special needling machine unit; 1 to 3 hooked stabs are arranged on each pricking needle of the special needling machine; the included angle between each hooked stab and each pricking needle is 5 to 32 degrees; the pricking needle density is 50 to 200 pricking needles per square meter; 2 to 5 times of needling treatments of the fibre web are carried out during the needling process; the density of the needles is gradually improved in the needling process carried out in sequence; and needle handles of the pricking needles turn thinner in sequence. Compared with the prior art, the manufacturing method for collagen fiber regenerated bark, provided by the invention, has the advantages that the technology is simple; the equipment cost is low; and the gained regenerated bark is stable in property, high in strength, and is not easy to be damaged. The invention further relates to the special needling machine and the special needling machine unit used for manufacturing collagen fiber regenerated bark.
Description
Technical field
The present invention relates to production technology and the apparatus field of nonwoven material, be specifically related to a kind of manufacture method and special acupuncture apparatus thereof of regenerated collagen fiber skin.
Background technology
The tailing quantity of natural corium is very big, if can carry out the secondary utilization to it, and particularly secondary operations becomes regenerated bark, can produce sizable wealth, simultaneously energy-saving and environment friendly is produced positive meaning.At present, utilize the method that the tailing of natural corium is processed into regenerated bark to comprise: fragment Method for bonding, fiber Method for bonding and the solid method of fiber thorn.Wherein, the fragment Method for bonding refers to earlier corium to be processed into corium fragment bonding cutification again; The fiber Method for bonding refers to earlier corium to be processed into collagenous fibres bonding cutification again, as patent CN 100412263 C, CN 102031703 B and CN 102115955 B; And the solid method of fiber thorn refers to earlier corium is processed into collagenous fibres and repaves the solid cutification of net back thorn, as patent CN1779002B, CN 101851828 B and CN 102660844 A.In these three kinds of main method, the regenerated bark intensity that obtains through the production of fragment Method for bonding is low, and feel is inhomogeneous, and big with the feel difference of natural corium; The regenerated bark intensity height that obtains through the production of fiber Method for bonding, but feel is far away from natural corium, and owing to use binding agent, the gained regenerated bark is not 100% pure skin product; Through the regenerated bark intensity height that the solid method production of fiber thorn obtains, feel is near corium, and also can produce 100% pure skin product.
Process aspect at the solid manufactured regenerated collagen fiber skin of existing fiber thorn, Chinese patent CN1779002B has put down in writing by separating the collagenous fibres that fibre obtains can sting solid finished product after combing, lapping, but the solid process of concrete thorn is not disclosed, and the braiding of gained regenerated bark is loose, and apparent density has only 0.25～0.3g/cm
3, 500g/m
2This regenerated bark tearing toughness also have only about 8N; Chinese patent CN101851828B has put down in writing the collagenous fibres that are paved into behind the net can obtain regenerated bark by water jet process, and apparent density can reach 0.35g/cm
3～1.4g/cm
3Chinese patent CN 102660844 A have further optimized the water jet process parameter, refinement the lapping step.But the water jet process complexity also need be pushed steps such as moisture, circulation oven dry, the production cost height behind the water thorn.Compare with the processing of water thorn, needling process is more simple, and acupuncture apparatus is more cheap.
But in the acupuncture apparatus that existing needle punched non-woven fabrics is used, pricker has four hook thorns more, and the hook thorn is about 35 degree with the angle of needle handle; I take charge of discovery, as this equipment is used for the fibre web that the acupuncture collagenous fibres are formed, obtains fibre web and am easily scratched by the thorn of the hook on the pricker, and the fibre web intensity that obtains does not only improve on the contrary and reduces.
Be not suitable for the characteristics that the regenerated collagen fiber skin is produced at existing nonwoven fabric needling process, therefore, be necessary to develop a kind of solid processing technology of regenerated collagen fiber sword-shaped needle thorn thorn that is applicable to.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of manufacture method of regenerated collagen fiber skin; This manufacture method adopts needling process, and technology is simple and production cost is low.
Simultaneously, the technical issues that need to address of the present invention also are to provide a kind of special needing machine for the manufacture of the regenerated collagen fiber skin and special acupuncture unit.
The technical issues that need to address of the present invention are achieved through the following technical solutions:
A kind of manufacture method of regenerated collagen fiber skin, it may further comprise the steps successively:
(1) separates fibre: extract the collagenous fibres in pig, sheep, the ox-hide corium;
(2) lapping: the mixture of collagenous fibres or collagenous fibres and auxiliary material is paved into fibre web equably;
(3) acupuncture: the fibre web of completing is carried out positive and negative thorn by needing machine handle admittedly, form base cloth;
(4) side cut, rolling, packing: after the part that the gained base cloth is irregular, unnecessary trims, rolling, packing.
Extracting average length in the manufacture method of above-mentioned regenerated collagen fiber skin, step (1) is the collagenous fibres of 1 ~ 3cm.
The manufacture method of above-mentioned regenerated collagen fiber skin, be paved in the step (2) grammes per square metre 100 ~ 350 gram/square metre fibre web.Preferably, be paved in the step (2) grammes per square metre 200 ~ 350 gram/square metre fibre web.
The manufacture method of above-mentioned regenerated collagen fiber skin is carried out acupuncture in the described step (3) in special needing machine or special acupuncture unit, wherein, 1 ~ 3 hook thorn is arranged on the pricker of described special needing machine, and angle is 5 ~ 32 ° between the needle handle of hook thorn and pricker.Preferably, in the step (3) needling density be 50 ~ 200 prickers/square metre.Further preferably, in the step (3) fibre web being carried out 2 ~ 5 acupuncture through special acupuncture unit handles; Needling density improved gradually during the acupuncture of carrying out was successively handled, and the needle handle of used pricker is tapered.Still more preferably, in the acupuncture of carrying out is successively handled, the identical or minimizing gradually of the number of the hook thorn on the used pricker.Still more preferably, in the acupuncture carried out is successively handled, the identical or minimizing gradually of angle between the needle handle of the hook of used pricker thorn and pricker.
The manufacture method of above-mentioned regenerated collagen fiber skin is paved into fibre web after in the step (2) collagenous fibres and hot-melt adhesive fiber and/or thermal fusing powder evenly being mixed; Also to make hot-melt adhesive fiber and/or thermal fusing powder bond vitrified live collagenous fibres by hot blast or hot rolling base cloth after the acupuncture in the step (3), subsequently cooling.Preferably, be paved into fibre web after the hot-melt adhesive fiber of the described collagenous fibres of getting 85 ~ 95 weight % in the step (2) and 5 ~ 15 weight % and/or thermal fusing powder evenly mix.Further preferably, be paved into fibre web after the hot-melt adhesive fiber of the described collagenous fibres of getting 92 ~ 95 weight % and 5 ~ 8 weight % and/or thermal fusing powder evenly mix.
Also to evenly sprinkle hot-melt adhesive powder at base cloth after the acupuncture in the manufacture method of above-mentioned regenerated collagen fiber skin, step (3), then make the thermal fusing powder bond vitrified live collagenous fibres by hot blast or hot rolling, subsequently cooling.Preferably, the weight proportion of thermal fusing powder and collagenous fibres is: collagenous fibres 85 ~ 95 weight %, thermal fusing powder 5 ~ 15 weight %.Further preferably, the weight proportion of thermal fusing powder and collagenous fibres is: collagenous fibres 92 ~ 95 weight %, thermal fusing powder 5 ~ 8 weight %.
A kind of special needing machine for the manufacture of the regenerated collagen fiber skin has 1 ~ 3 hook thorn on the every root thorn pin on this special needing machine, angle is 5 ~ 32 ° between the needle handle of hook thorn and pricker.
A kind of special acupuncture unit for the manufacture of the regenerated collagen fiber skin comprises 2 ~ 5 special needing machines, and 1 ~ 3 hook thorn is arranged on every root thorn pin of special needing machine, and angle is 5 ~ 32 ° between the needle handle of hook thorn and pricker; According to technological process of production order, in described 2 ~ 5 special needing machines, the needle handle of pricker attenuates successively, and the density of arranging of pricker becomes close successively.Preferably, in the acupuncture of carrying out is successively handled, the identical or minimizing gradually of number that used pricker is risen to the bait and stung.Preferably, in the acupuncture carried out is successively handled, the identical or minimizing gradually of angle between the needle handle of the hook of used pricker thorn and pricker.
Compared with prior art, the present invention has the following advantages:
1. the manufacture method of a kind of regenerated collagen fiber skin of the present invention, be raw material with the corium leftover pieces, make regenerated bark admittedly through separating fibre, lapping, acupuncture thorn, adopt the acupuncture thorn to substitute traditional solid technology of water thorn thorn admittedly, not only simplify technology, but also reduced production cost.
2. the manufacture method of a kind of regenerated collagen fiber skin of the present invention, improve with the basis of acupuncture technology at traditional nonwoven fabric base cloth, the main improvement is embodied in: during acupuncture the first, is in the early stage handled, fibre web is the loosest, adopts pricker thick and that arrangement is loosened to drive hand-manipulating of needle thorn into, and hook thorn number is many, angle between hook thorn and the needle handle is big, pinprick reinforcement efficient height, and loose because of fibre web, can not damage fibre web.Second, in the acupuncture in later stage is handled, because existing certain collagenous fibres are tufted in the fibre web as " pin ", therefore fibre web becomes closely knit gradually, acupuncture this moment easy damaged fibre web, but the acupuncture that the present invention has adopted thinner pricker to carry out the later stage is handled, reduce thorn hook number on the pricker and the angle between thorn hook and the needle handle simultaneously, make that each pricker can only be with very a spot of collagenous fibres to be subjected to displacement in the later stage fibre web, avoid the hook thorn on the pricker to scratch the good collagenous fibres net that interweaves, finally reach and reinforce the fibre web purpose, can not damage fibre web again simultaneously; In addition, in the acupuncture in later stage is handled, remedy the reduction of acupuncture efficient by the arranging density that improves pricker.By the regenerated bark stable performance that this needle-punching method is made, intensity height, not cracky.
3. the manufacture method of a kind of regenerated collagen fiber skin of the present invention, the acupuncture thorn is solid again with hot-melt adhesive fiber and/or thermal fusing powder lapping to adopt the collagenous fibres net, or sprinkle thermal fusing powder after the collagenous fibres lapping again, with by heat treatment modes such as hot rollings, the regenerated bark intensity of making is improved, even adopt existing needing machine also to realize high regenerated collagen fiber cloth intensity like this.
4. a kind of special needing machine and special acupuncture unit for the manufacture of the regenerated collagen fiber skin of the present invention, on the basis for the production of the needled conventionally machine of nonwoven fabric base cloth, structure and the density of pricker have been improved, and the pricker layout of having optimized each needing machine in the acupuncture unit, thereby and reached the purpose that the solid collagenous fibres fibre web of thorn does not destroy fibre web.
Description of drawings
Fig. 1 is the essential structure schematic diagram of a kind of special needing machine for the manufacture of the regenerated collagen fiber skin of the present invention;
Fig. 2 is a kind of local enlarged diagram that stings needle construction among Fig. 1;
Fig. 3 is the local enlarged diagram of another kind of thorn needle construction among Fig. 1.
Among the figure: 1, fiber; 2, needle beam; 3, pricker; 4, pressing plate; 5, stitch plate; 6, regenerated bark; 31, hook thorn; 32, needle handle.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described further.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
The present invention relates to a kind of manufacture method of regenerated collagen fiber skin; This manufacture method adopts needling process, and technology is simple and production cost is low.The invention still further relates to a kind of special needing machine for the manufacture of the regenerated collagen fiber skin.
The basic technology principle of needle point method is: the thorn with buckle thorn on the seamed edge carries out repeated localised puncture at fibre web.Because the fibre web of feeding needing machine is very fluffy, does not interweave between fiber and the fiber, cohesive force to each other is very poor, and fibre web does not almost have brute force.But when thousands of up to ten thousand pieces of thorns were needled into fibre web, the hook thorn on the pricker passed fibre web with regard to the some fibre with the fibre web surface with pin and produces displacement, simultaneously because rubbing action is compressed fibre web; After thrusting certain depth, the thorn needle pickup, these fibers broke away from the hook thorn and stayed in the fibre web with the near vertical state, have hammered into fibre web just as many fibre bundles " pin ", and compressed fibre web can not restored to the original state again because thorn colludes cause forward this moment.The situation that also has band barb on a kind of pricker.In the latter event, after thorn is needled into the fibre web certain depth during bottom out, hangnail colludes and passes fibre web with regard to the some fibre with the fibre web surface with pin and produce displacement, thereby makes many fibre bundles " pin " hammer into fibre web.If a large amount of acupuncture is thrust in the fibre web, just a considerable amount of fibre bundles have been lunged fibre web, make fiber and fiber mutually tightly entanglement and produce bigger cohesive force, and the density of fibre web is greatly improved, formed not only solid but also a material with certain brute force.
Embodiment 1
A kind of manufacture method of regenerated collagen fiber skin, its technological process may further comprise the steps successively:
(1) separate fibre: extract the collagenous fibres in pig, sheep, the ox-hide corium, the average length that obtains collagenous fibres is 1 ~ 3cm, and wherein, pig, sheep, ox-hide are the corner blanking of animal raw hide or process hides processing.
(2) lapping: adopt combing lapping machine, with the gained collagenous fibres be paved into equably grammes per square metre 100 ~ 350 grams/square metre fibre web, 30 ~ 35 meters/minute of lapping speed.
(3) acupuncture: the fibre web of completing is carried out positive and negative thorn by special needing machine handles admittedly, form base cloth, needling density be 50 ~ 200 prickers/square metre; Wherein, 1 ~ 3 hook thorn is arranged on each pricker of special needing machine, angle is 5 ~ 32 ° between the needle handle of hook thorn and pricker.
(4) side cut, rolling, packing: after the part that the gained base cloth is irregular, unnecessary trims, rolling, packing.
Characteristics such as above-mentioned technology has the efficient height, technology is simple, equipment cost is low, non-wastewater discharge, environmental protection.
The invention still further relates to a kind of special needing machine for the manufacture of the regenerated collagen fiber skin, as shown in Figure 1, 2, at import department's importing fiber 1 of needing machine, and be sent to the pin district.Be provided with needle beam 2 in the zone in pin district, fixedly be useful on the pricker 3 of reinforcing fibre web on the needle beam 2,1 ~ 3 hook thorn 31 is arranged on the pricker 3, angle is 5 ~ 32 ° between the needle handle 32 of hook thorn 31 and pricker 3.In this zone, will wait that stinging solid fiber 2 imports between pressing plate 4 and the stitch plate 5.Pricker 3 thrusts in the fibre web with very high frequency and withdraws from then, thereby reinforces into regenerated bark 6.Certainly, the structure of pricker 3 can also be delavay raspberry herb structure as shown in Figure 3.
The present invention is a kind of manufacture method of regenerated collagen fiber skin, and its technological process may further comprise the steps successively:
(1) separate fibre: extract the collagenous fibres in pig, sheep, the ox-hide corium, the average length that obtains collagenous fibres is 1 ~ 3cm, and wherein, pig, sheep, ox-hide are the corner blanking of animal raw hide or process hides processing.
(2) lapping: adopt combing lapping machine, with the gained collagenous fibres be paved into equably grammes per square metre 100 ~ 150 gram/square metre fibre web, adopt the air-laid machine again, with the gained collagenous fibres be paved into equably grammes per square metre 200 ~ 350 gram/square metre fibre web, the lapping speed of combing lapping and air-laid is 30 ~ 35 meters/minute.
(3) acupuncture: the fibre web of completing is carried out positive and negative thorn by special acupuncture unit handles admittedly, form base cloth, needling density be 50 ~ 200 prickers/square metre; Wherein, special acupuncture unit is made up of 4 special needing machines, and 1 ~ 3 hook thorn is arranged on each pricker of special needing machine, and angle is 5 ~ 32 ° between the needle handle of hook thorn and pricker; According to the technological process order, every through a special needing machine, fibre web carries out acupuncture to be handled once, and it is big that needling density becomes gradually, the needle handle 32 of corresponding special its pricker of needing machine that adopts successively from the coarse to fine, pricker arrange density successively from sparse to dense, the rise to the bait number of thorn of pricker is identical or reduce gradually, the identical or reduction gradually of angle between the needle handle of hook thorn and pricker.According to technological process of production order, pricker has 3 thorns to collude in first and second the special needing machine, pricker has 2 thorns to collude in the 3rd and the 4th the special needing machine, and the angle between the needle handle of the hook thorn of pricker and pricker is followed successively by in first, second, the 3rd and the 4th the special needing machine: 25 ~ 32 °, 18 ~ 25 °, 10 ~ 18 ° and 5 ~ 10 °
(4) side cut, rolling, packing: after the part that the gained base cloth is irregular, unnecessary trims, rolling, packing.
Characteristics such as above-mentioned technology has the efficient height, technology is simple, equipment cost is low, non-wastewater discharge, environmental protection.
The invention still further relates to a kind of special needing machine for the manufacture of the regenerated collagen fiber skin, as shown in Figure 1, 2, at import department's importing fiber 1 of needing machine, and be sent to the pin district.Be provided with needle beam 2 in the zone in pin district, fixedly be useful on the pricker 3 of reinforcing fibre web on the needle beam 2,1 ~ 3 hook thorn 31 is arranged on the pricker 3, angle is 5 ~ 32 ° between the needle handle 32 of hook thorn 31 and pricker 3.In this zone, will wait that stinging solid fiber 2 imports between pressing plate 4 and the stitch plate 5.Pricker 3 thrusts in the fibre web with very high frequency and withdraws from then, thereby reinforces into regenerated bark 6.Certainly, the structure of pricker 3 can also be delavay raspberry herb structure as shown in Figure 3
The invention still further relates to a kind of special acupuncture unit for the manufacture of the regenerated collagen fiber skin, comprise 4 above-mentioned special needing machines; According to technological process of production order, in described 4 special needing machines of special acupuncture unit, the needle handle 32 of pricker 3 successively from the coarse to fine, and pricker 3 arrange density successively from sparse to dense; And according to technological process of production order, pricker has 3 thorns to collude in first and second the special needing machine, pricker has 2 thorns to collude in the 3rd and the 4th the special needing machine, and the angle between the needle handle of the hook thorn of pricker and pricker is followed successively by in first, second, the 3rd and the 4th the special needing machine: 25 ~ 32 °, 18 ~ 25 °, 10 ~ 18 ° and 5 ~ 10 °.
The present invention is a kind of manufacture method of regenerated collagen fiber skin, and its technological process may further comprise the steps successively:
(1) separate fibre: extract the collagenous fibres in pig, sheep, the ox-hide corium, the average length that obtains collagenous fibres is 1 ~ 3cm, and wherein, pig, sheep, ox-hide are the corner blanking of animal raw hide or process hides processing.
(2) lapping: adopt the air-laid machine, with the gained collagenous fibres be paved into after hot-melt adhesive fiber evenly mixes grammes per square metre 100 ~ 350 restrain/square metre fibre web, 30 ~ 35 meters/minute of lapping speed.
(3) acupuncture: the fibre web of completing is carried out positive and negative thorn by special acupuncture unit handles admittedly, form base cloth, needling density be 50 ~ 200 prickers/square metre; Wherein, special acupuncture unit is made up of 5 special needing machines, and 1 ~ 3 hook thorn is arranged on each pricker of special needing machine, and angle is 5 ~ 32 ° between the needle handle of hook thorn and pricker; According to the technological process order, every through a special needing machine, fibre web carries out acupuncture to be handled once, and it is big that needling density becomes gradually, the needle handle 32 of corresponding special its pricker of needing machine that adopts successively from the coarse to fine, pricker arrange density successively from sparse to dense, the rise to the bait number of thorn of pricker is identical or reduce gradually, the identical or reduction gradually of angle between the needle handle of hook thorn and pricker.According to technological process of production order, pricker has 3 thorns to collude in first and second the special needing machine, pricker has 2 thorns to collude in the 3rd, the 4th and the 5th the special needing machine, and the angle between the needle handle of the hook thorn of pricker and pricker is followed successively by in first, second, the 3rd, the 4th and the 5th the special needing machine: 25 ~ 32 °, 18 ~ 25 °, 12 ~ 18 °, 7 ~ 12 ° and 5 ~ 7 °.
(4) roll-in heat seal: base cloth is carried out hot rolling by a pair roller make the hot-melt adhesive fiber bond vitrified live collagenous fibres, 60 ~ 180 ℃ of roller temperatures, 1.5 ~ 2 meters/minute of speed, pressure 3.5 ~ 4.5Pa, cooling subsequently.
(5) side cut, rolling, packing: after the part that the gained base cloth is irregular, unnecessary trims, rolling, packing.
Characteristics such as above-mentioned technology has the efficient height, technology is simple, equipment cost is low, non-wastewater discharge, environmental protection.
The invention still further relates to a kind of special needing machine for the manufacture of the regenerated collagen fiber skin, as shown in Figure 1, 2, at import department's importing fiber 1 of needing machine, and be sent to the pin district.Be provided with needle beam 2 in the zone in pin district, fixedly be useful on the pricker 3 of reinforcing fibre web on the needle beam 2,1 ~ 3 hook thorn 31 is arranged on the pricker 3, angle is 5 ~ 32 ° between the needle handle 32 of hook thorn 31 and pricker 3.In this zone, will wait that stinging solid fiber 2 imports between pressing plate 4 and the stitch plate 5.Pricker 3 thrusts in the fibre web with very high frequency and withdraws from then, thereby reinforces into regenerated bark 6.Certainly, the structure of pricker 3 can also be delavay raspberry herb structure as shown in Figure 3
The invention still further relates to a kind of special acupuncture unit for the manufacture of the regenerated collagen fiber skin, comprise 5 above-mentioned special needing machines; According to technological process of production order, in described 5 special needing machines of special acupuncture unit, the needle handle 32 of pricker 3 successively from the coarse to fine, and pricker 3 arrange density successively from sparse to dense.And according to technological process of production order, pricker all has 3 thorns to collude in first and second the special needing machine, pricker all has 2 thorns to collude in the 3rd and the 4th the special needing machine, pricker all has 1 thorn to collude in the 5th the special needing machine, and the angle between the needle handle of the hook thorn of pricker and pricker is followed successively by in first, second, the 3rd, the 4th and the 5th the special needing machine: 25 ~ 32 °, 18 ~ 25 °, 12 ~ 18 °, 7 ~ 12 ° and 5 ~ 7 °.
The present invention is a kind of manufacture method of regenerated collagen fiber skin, and its technological process may further comprise the steps successively:
(1) separate fibre: extract the collagenous fibres in pig, sheep, the ox-hide corium, the average length that obtains collagenous fibres is 1 ~ 3cm, and wherein, pig, sheep, ox-hide are the corner blanking of animal raw hide or process hides processing.
(2) lapping: adopt combing lapping machine, with the gained collagenous fibres be paved into equably after thermal fusing powder evenly mixes grammes per square metre 100 ~ 350 restrain/square metre fibre web, 30 ~ 35 meters/minute of lapping speed.
(3) acupuncture: the fibre web of completing is carried out positive and negative thorn by special acupuncture unit handle admittedly, form base cloth, needling density be 50 ~ 200 prickers/square metre, wherein, special acupuncture unit is made up of 2 special needing machines, 1 ~ 3 hook thorn is arranged on each pricker of special needing machine, and angle is 5 ~ 32 ° between the needle handle of hook thorn and pricker; According to the technological process order, every through a special needing machine, fibre web carries out acupuncture to be handled once, and it is big that needling density becomes gradually, the needle handle 32 of corresponding special its pricker of needing machine that adopts successively from the coarse to fine, pricker arrange density successively from sparse to dense, the rise to the bait number of thorn of pricker reduces gradually, angle reduces gradually between the needle handle of hook thorn and pricker.According to technological process of production order, pricker has 3 thorns to collude in first special needing machine, pricker has 2 thorns to collude in second special needing machine, and the angle between the needle handle of the hook thorn of pricker and pricker is followed successively by in first and second the special needing machine: 20 ~ 32 ° and 5 ~ 15 °.
(4) heat seal: make the thermal fusing powder bond vitrified live collagenous fibres by hot blast base cloth, subsequently cooling.
(5) side cut, rolling, packing: after the part that the gained base cloth is irregular, unnecessary trims, rolling, packing.
Characteristics such as above-mentioned technology has the efficient height, technology is simple, equipment cost is low, non-wastewater discharge, environmental protection.
The invention still further relates to a kind of special needing machine for the manufacture of the regenerated collagen fiber skin, as shown in Figure 1, 2, at import department's importing fiber 1 of needing machine, and be sent to the pin district.Be provided with needle beam 2 in the zone in pin district, fixedly be useful on the pricker 3 of reinforcing fibre web on the needle beam 2,1 ~ 3 hook thorn 31 is arranged on the pricker 3, angle is 5 ~ 32 ° between the needle handle 32 of hook thorn 31 and pricker 3.In this zone, will wait that stinging solid fiber 2 imports between pressing plate 4 and the stitch plate 5.Pricker 3 thrusts in the fibre web with very high frequency and withdraws from then, thereby reinforces into regenerated bark 6.Certainly, the structure of pricker 3 can also be delavay raspberry herb structure as shown in Figure 3
The invention still further relates to a kind of special acupuncture unit for the manufacture of the regenerated collagen fiber skin, comprise 2 above-mentioned special needing machines; According to technological process of production order, in described 2 special needing machines of special acupuncture unit, the needle handle 32 of pricker 3 successively from the coarse to fine, and pricker 3 arrange density successively from sparse to dense.And according to technological process of production order, pricker has 3 thorns to collude in first special needing machine, pricker has 2 thorns to collude in second special needing machine, and the angle between the needle handle of the hook thorn of pricker and pricker is followed successively by in first and second the special needing machine: 20 ~ 32 ° and 5 ~ 15 °.
The present invention is a kind of manufacture method of regenerated collagen fiber skin, and its technological process may further comprise the steps successively:
(1) separate fibre: extract the collagenous fibres in pig, sheep, the ox-hide corium, the average length that obtains collagenous fibres is 1 ~ 3cm, and wherein, pig, sheep, ox-hide are the corner blanking of animal raw hide or process hides processing.
(2) lapping: adopt combing lapping machine, with the gained collagenous fibres be paved into equably grammes per square metre 100 ~ 150 gram/square metre fibre web, adopt the air-laid machine again, with the gained collagenous fibres be paved into equably grammes per square metre 200 ~ 350 gram/square metre fibre web, the lapping speed of combing lapping and air-laid is 30 ~ 35 meters/minute.
(3) acupuncture: the fibre web of completing is carried out positive and negative thorn by the acupuncture unit handles admittedly, form base cloth, needling density be 50 ~ 200 prickers/square metre, wherein, the acupuncture unit is made up of 2 existing needing machines; According to the technological process order, every through a needing machine, fibre web carries out acupuncture to be handled once.
(4) roll-in heat seal: utilize duster evenly to sprinkle hot-melt adhesive powder at base cloth, then carry out hot rolling by a pair roller and make the thermal fusing powder bond vitrified live collagenous fibres, 60 ~ 180 ℃ of roller temperatures, 1.5 ~ 2 meters/minute of speed, pressure 3.5 ~ 4.5Pa, cooling subsequently.
(5) side cut, rolling, packing: after the part that the gained base cloth is irregular, unnecessary trims, rolling, packing.
Characteristics such as above-mentioned technology has the efficient height, technology is simple, equipment cost is low, non-wastewater discharge, environmental protection.
Above-mentioned each embodiment is to preferred embodiment of the present invention.Should be pointed out that for those skilled in the art under the prerequisite that does not break away from the technology of the present invention principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the manufacture method of a regenerated collagen fiber skin is characterized in that may further comprise the steps successively:
(1) separates fibre: extract the collagenous fibres in pig, sheep, the ox-hide corium;
(2) lapping: the mixture of collagenous fibres or collagenous fibres and auxiliary material is paved into fibre web equably;
(3) acupuncture: the fibre web of completing is carried out positive and negative thorn by needing machine handle admittedly, form base cloth;
(4) side cut, rolling, packing: after the part that the gained base cloth is irregular, unnecessary trims, rolling, packing.
2. the manufacture method of regenerated collagen fiber skin according to claim 1, it is characterized in that: extracting average length in the described step (1) is the collagenous fibres of 1 ~ 3cm.
3. the manufacture method of regenerated collagen fiber skin according to claim 1 is characterized in that: be paved in the described step (2) grammes per square metre 100 ~ 350 grams/square metre fibre web.
4. the manufacture method of regenerated collagen fiber skin according to claim 1, it is characterized in that: in special needing machine or special acupuncture unit, carry out acupuncture in the described step (3), wherein, 1 ~ 3 hook thorn is arranged on each pricker of described special needing machine, and angle is 5 ~ 32 ° between the needle handle of hook thorn and pricker.
5. as the manufacture method of regenerated collagen fiber skin as described in the claim 4, it is characterized in that: in the described step (3) needling density be 50 ~ 200 prickers/square metre.
6. as the manufacture method of regenerated collagen fiber skin as described in the claim 5, it is characterized in that: in the described step (3) fibre web is carried out 2 ~ 5 acupuncture through special acupuncture unit and handle; Needling density improved gradually during the acupuncture of carrying out was successively handled, and the needle handle of used pricker is tapered.
7. as the manufacture method of regenerated collagen fiber skin as described in any one of the claim 1 to 6, it is characterized in that: in the described step (2) with described collagenous fibres be paved into fibre web after hot-melt adhesive fiber and/or thermal fusing powder evenly mix; Also to make hot-melt adhesive fiber and/or thermal fusing powder bond vitrified live collagenous fibres by hot blast or hot rolling base cloth after the acupuncture in the described step (3), subsequently cooling.
8. as the manufacture method of regenerated collagen fiber skin as described in any one of the claim 1 to 6, it is characterized in that: also will evenly sprinkle hot-melt adhesive powder at base cloth after the acupuncture in the described step (3), then make the thermal fusing powder bond vitrified live collagenous fibres by hot blast or hot rolling, subsequently cooling.
9. special needing machine for the manufacture of the regenerated collagen fiber skin is characterized in that: 1 ~ 3 hook thorn is arranged on the pricker of this special needing machine, and angle is 5 ~ 32 ° between the needle handle of hook thorn and pricker.
10. special acupuncture unit for the manufacture of the regenerated collagen fiber skin is characterized in that: comprise 2 ~ 5 special needing machines, 1 ~ 3 hook thorn is arranged on the pricker of special needing machine, angle is 5 ~ 32 ° between the needle handle of hook thorn and pricker; According to technological process of production order, in described 2 ~ 5 special needing machines, the needle handle of pricker attenuates successively, and the density of arranging of pricker becomes close successively.
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| CN2013101201643A CN103233322A (en) | 2013-04-08 | 2013-04-08 | Manufacturing method and special needling equipment for collagen fiber regenerated bark |
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| CN2013101201643A CN103233322A (en) | 2013-04-08 | 2013-04-08 | Manufacturing method and special needling equipment for collagen fiber regenerated bark |
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| US11001679B2 (en) | 2016-02-15 | 2021-05-11 | Modern Meadow, Inc. | Biofabricated material containing collagen fibrils |
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| US11913166B2 (en) | 2015-09-21 | 2024-02-27 | Modern Meadow, Inc. | Fiber reinforced tissue composites |
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Application publication date: 20130807 |