CN210127328U - A shake soft production line for fine leather base cloth aftertreatment of ox - Google Patents
A shake soft production line for fine leather base cloth aftertreatment of ox Download PDFInfo
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- CN210127328U CN210127328U CN201920452757.2U CN201920452757U CN210127328U CN 210127328 U CN210127328 U CN 210127328U CN 201920452757 U CN201920452757 U CN 201920452757U CN 210127328 U CN210127328 U CN 210127328U
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Abstract
The utility model relates to the technical field of leather manufacturing, which discloses a vibration softening production line for post-treatment of kraft fiber base cloth, comprising a leather vibration softening machine, a leather grinding machine and a napping machine which are sequentially arranged from feeding to discharging according to the flow of post-treatment, wherein the leather vibration softening machine is a through type leather vibration softening machine, the leather grinding machine is a through type leather grinding machine, and the napping machine is a through type napping machine; the number of the leather vibration staking machine is at least two, and the at least two leather vibration staking machines comprise a low-frequency leather vibration staking machine and a high-frequency leather vibration staking machine which are sequentially arranged. The utility model discloses a soft processing of vibrations to ox fine leather base cloth on the basis that keeps the fine performance of ox fine leather base cloth, has further improved the compliance and the feeling of ox fine leather base cloth, has strengthened the interlaminar bond strength of ox fine leather base cloth and PU membrane simultaneously, has improved the final performance and the quality of emulation ox leather goods from this.
Description
Technical Field
The utility model relates to a technical field is made to the leather, concretely relates to a shake soft production line for fine leather base cloth aftertreatment of ox.
Background
Leather is an indispensable large-scale production and living article in human life, and is widely applied to various fields such as clothing, home furnishing, automobiles, public services and the like. The leftover bits and pieces of natural leather are produced in the production process of leather products, the leftover bits and pieces of natural leather are large in quantity, if the leftover bits and pieces of natural leather can be reused, especially the leftover bits and pieces of natural leather are processed into the ox fiber leather, considerable wealth can be produced, and meanwhile, the method has positive significance for environmental protection and energy conservation.
The conventional regenerated leather is prepared by pulverizing leftover materials of various leathers and animal skins into powder, and then bonding and pressing the powder into a whole piece of regenerated leather through an adhesive or hot melt fibers. The regenerated leather has poor performances such as hygroscopicity, air permeability, hand feeling and the like, and has larger difference compared with the genuine leather.
Therefore, the prior art develops a collagen fiber reduced leather base cloth, which is prepared by firstly extracting collagen fibers from leftover materials of various leathers and animal skins and then preparing the collagen fibers into the reduced leather base cloth through a certain preparation process. The collagen fiber of the reduced leather base cloth has a three-dimensional reticular structure, and the performance of the collagen fiber is close to that of dermis.
In the prior art, a typical reconstituted leather base fabric is a waterborne cattle fiber leather base fabric manufactured by a spunlace technology, and a PU film (polyurethane coating layer) simulating the cowhide effect is adhered to the surface of a bottom layer by taking the cattle fiber leather base fabric as the bottom layer, so that the simulated cattle leather can be manufactured and used as final leather products such as leather clothing, sofas, cases, leather shoes and the like.
However, the above-mentioned artificial cow leather made by bonding a cow fiber leather base cloth and a polyurethane coating layer has the following disadvantages: firstly, the tensile strength is not high, the interlayer bonding strength is low, and the film is easy to peel after long-term use; secondly, the surface flatness of the base cloth is not high, so that the appearance quality of the base cloth after the surface is adhered with the coating layer is influenced; thirdly, the softness is poor and the hand feeling is poor. Thereby affecting the final properties and quality of the simulated bovine leather product.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a soft production line of shake for fine leather base cloth aftertreatment of ox aims at through the soft processing of the shake to fine leather base cloth of ox, on keeping the basis of fine leather base cloth good performance of ox, further improves the compliance and the feeling of fine leather base cloth of ox, strengthens the interlaminar cohesive strength of fine leather base cloth of ox and PU membrane simultaneously, improves emulation cow leather goods's final performance and quality from this. The specific technical scheme is as follows:
a vibration softening production line for post-treatment of a kraft base fabric comprises a leather vibration softening machine, a leather grinding machine and a napping machine which are sequentially arranged from feeding to discharging according to the post-treatment process, wherein the leather vibration softening machine is a through type leather vibration softening machine, the leather grinding machine is a through type leather grinding machine, and the napping machine is a through type napping machine; the number of the leather vibration staking machine is at least two, and the at least two leather vibration staking machines comprise a low-frequency leather vibration staking machine and a high-frequency leather vibration staking machine which are sequentially arranged.
In the technical scheme, the two leather vibration staking machines are set as the low-frequency leather vibration staking machine and the high-frequency leather vibration staking machine, so that the step-by-step vibration staking of the kraft base cloth can be realized. When the vibration softening treatment is carried out, the low-frequency leather vibration softening machine is firstly adopted to carry out slight vibration softening treatment on the kraft fiber leather base cloth, and then the high-frequency leather vibration softening machine is adopted to carry out severe vibration softening treatment on the kraft fiber leather base cloth.
In addition, the leather grinding machine is arranged behind the leather oscillation softening machine, so that the integral smoothness of the kraft base cloth can be effectively improved; the napping machine is arranged behind the skin grinding machine, so that the specific surface area of the surface of the cattle fiber skin base cloth can be increased, and the bonding strength of the cattle fiber skin base cloth and the PU film in the subsequent film covering process can be further enhanced.
As one of the preferable schemes of the utility model, the oscillation frequency of the low-frequency leather oscillation staking machine is 200-300 times/min.
As the second preferred scheme of the utility model, the oscillation frequency of the high-frequency leather oscillation staking machine is 600 ~ 700/min.
As a further improvement of the utility model, the vibration softening production line further comprises a low-frequency leather vibration softening machine and an intermediate-frequency leather vibration softening machine between the high-frequency leather vibration softening machines.
Preferably, the oscillation frequency of the medium-frequency leather oscillation staking machine is 400-500 times/min.
By arranging the intermediate frequency leather oscillation staking machine between the low frequency leather oscillation staking machine and the high frequency leather oscillation staking machine, the effect of the vibration staking treatment can be further improved, and the internal fiber structure of the kraft base cloth is further protected from being damaged.
As the third preferred scheme of the utility model, when shaking soft processing, the speed that sets up the soft production line of ox fiber skin base cloth through shaking is 2.0 ~ 2.5 meters/minute kind.
The vibration frequency of the leather vibration staking machine is optimized, and the cattle fiber leather base cloth is optimized through the linear speed of the vibration staking production line, so that the vibration staking effect is further improved.
As the utility model discloses a fourth of the preferred scheme, shake soft production line's discharge end connection and contain processing apparatus that soaks, contain and soak processing apparatus and carry out the roller of single face material loading including the PU membrane faying face that is used for at the fine leather base cloth of ox and scribble the ware, the roller is scribbled the ware for inversion formula material loading roller, inversion formula material loading roller scribbles the ware and includes according to the guide pulley that sets gradually from last position extremely down, roller scribbles the groove and has held waterborne PU material, roller scribble the lower extreme of taking turns and immerse in the waterborne PU material in roller scribbling the groove, the guide pulley with it is used for the clearance that the fine leather base cloth of ox passes through when roller scribbling to be provided with between the roller to roll.
The vibration soft production line is connected with the impregnation treatment equipment, so that the production efficiency is improved. In addition, through the combination of the vibration softening production line and the impregnation treatment equipment, the permeability of the kraft fiber base cloth after vibration softening treatment is greatly enhanced, so that the uniformity of the water-based PU material permeation by using the impregnation treatment equipment is greatly improved.
The utility model discloses in, contain the roller of soaking in the treatment facility and scribble the ware for the inverted material loading roller, the PU membrane faying face of cow fibre skin base cloth sets up downwards when rolling, carry out the single face material loading infiltration through the PU membrane faying face of the roller coating wheel pair cow fibre skin base cloth of locating cow fibre skin base cloth below, this kind of inverted material loading roller scribbles the ware on the one hand and can prevent that waterborne PU material from permeating and influencing product property to cow fibre skin base cloth's penetrability, on the other hand can prepare the accurate control of lower viscous waterborne PU material with better realization penetration layer degree of depth.
The utility model has the advantages that:
first, the utility model discloses a soft production line shakes for fine leather base cloth aftertreatment of ox sets up two leather vibration staking machines into low frequency leather vibration staking machine and high frequency leather vibration staking machine, can realize the soft processing of shaking step by step to fine leather base cloth of ox. When the vibration softening treatment is carried out, the low-frequency leather vibration softening machine is firstly adopted to carry out slight vibration softening treatment on the kraft fiber leather base cloth, and then the high-frequency leather vibration softening machine is adopted to carry out severe vibration softening treatment on the kraft fiber leather base cloth.
Secondly, the leather grinding machine is arranged behind the leather oscillation softening machine, so that the overall smoothness of the kraft base cloth can be effectively improved; the napping machine is arranged behind the skin grinding machine, so that the specific surface area of the surface of the cattle fiber skin base cloth can be increased, and the bonding strength of the cattle fiber skin base cloth and the PU film in the subsequent film covering process can be further enhanced.
Third, the utility model discloses a shake soft production line for fine leather base cloth aftertreatment of ox sets up intermediate frequency leather vibration staking machine through vibration staking machine at low frequency leather and high frequency leather vibration staking machine between, can further improve the effect of shake soft processing to the internal fiber structure of further protection fine leather base cloth does not receive the damage.
Fourth, the utility model discloses a soft production line of vibrations for fine leather base cloth aftertreatment of ox sets up through the optimization to leather vibration staking machine oscillation frequency to and the fine leather base cloth of ox sets up through the optimization of the soft production line speed of vibrations, has further improved the effect of the soft processing of vibrations.
Fifth, the utility model discloses a shake soft production line for fine leather base cloth aftertreatment of ox will shake soft production line and contain the impregnation treatment facility and be connected, be favorable to improving production efficiency. In addition, through the combination of the vibration softening production line and the impregnation treatment equipment, the permeability of the kraft fiber base cloth after vibration softening treatment is greatly enhanced, so that the uniformity of the water-based PU material permeation by using the impregnation treatment equipment is greatly improved.
Drawings
FIG. 1 is a schematic structural view of a vibration softening production line for post-treatment of a kraft liner base fabric of the present invention;
fig. 2 is a schematic structural view of an inverted loading roll coater.
In the figure: 11. a low-frequency leather oscillation softening machine 12, a high-frequency leather oscillation softening machine 13, a buffing machine 14 and a napping machine.
In the figure: 1. the device comprises a rolling coating groove, 2, a rolling coating wheel, 3, kraft fiber base cloth, 4 and a guide wheel.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 2 show an embodiment of a vibration softening production line for post-treatment of kraft liner, which includes a leather vibration softening machine, a skin grinding machine 13 and a hair pulling machine 14, which are sequentially arranged from feeding to discharging according to the flow of post-treatment, wherein the leather vibration softening machine is a through type leather vibration softening machine, the skin grinding machine 13 is a through type skin grinding machine, and the hair pulling machine 14 is a through type hair pulling machine; the number of the leather vibration staking machine is at least two, and the at least two leather vibration staking machines comprise a low-frequency leather vibration staking machine 11 and a high-frequency leather vibration staking machine 12 which are sequentially arranged.
In the technical scheme, the two leather vibration staking machines are set as the low-frequency leather vibration staking machine 11 and the high-frequency leather vibration staking machine 12, so that the sequential vibration staking treatment of the cow fiber leather base cloth 3 can be realized. When the vibration softening treatment is carried out, the low-frequency leather vibration softening machine 11 is firstly adopted to carry out slight vibration softening treatment on the cowhide base cloth 3, and then the high-frequency leather vibration softening machine 12 is adopted to carry out severe vibration softening treatment on the cowhide base cloth.
In addition, the leather grinding machine 13 is arranged behind the leather oscillation softening machine, so that the integral smoothness of the kraft base cloth 3 can be effectively improved; the napping machine 14 is arranged behind the skin grinding machine 13, so that the specific surface area of the surface of the kraft fiber skin base cloth 3 can be increased, and the bonding strength between the kraft fiber skin base cloth 3 and the PU film in the subsequent film covering process can be further enhanced.
As a preferable scheme of the embodiment, the oscillation frequency of the low-frequency leather oscillation staking machine 11 is 200 to 300 times/min.
In a second preferred embodiment of the present invention, the oscillation frequency of the high frequency leather oscillation staking machine 12 is 600 to 700 times/min.
As a further improvement of this embodiment, the staking line further includes an intermediate frequency leather vibration staking machine (not shown) disposed between the low frequency leather vibration staking machine 11 and the high frequency leather vibration staking machine 12.
Preferably, the oscillation frequency of the medium-frequency leather oscillation staking machine is 400-500 times/min.
By arranging the intermediate frequency leather oscillation staking machine between the low frequency leather oscillation staking machine 11 and the high frequency leather oscillation staking machine 12, the effect of the vibration staking treatment can be further improved, and the internal fiber structure of the oxhide base fabric 3 is further protected from being damaged.
As a third preferred scheme of the embodiment, during the vibration softening treatment, the speed of the kraft fiber base cloth 3 passing through the vibration softening production line is set to be 2.0-2.5 m/min.
The leather vibration softening process has the advantages that the vibration frequencies of the leather vibration softening machines 11 and 12 are optimized, and the cow fiber leather base cloth 3 is optimized in vibration softening production line speed, so that the vibration softening effect is further improved.
As a fourth preferable scheme of this embodiment, the discharge end of the vibration and softening production line is connected with an impregnation treatment device, the impregnation treatment device includes a roller coater for single-sided feeding on a PU film bonding surface of the kraft liner base fabric, the roller coater is an inverted feeding roller coater, the inverted feeding roller coater includes a guide wheel 4, a roller coating wheel 2, and a roller coating tank 1, which are sequentially disposed from top to bottom, the roller coating tank 1 contains the aqueous PU material, the lower end of the roller coating wheel 2 is immersed in the aqueous PU material in the roller coating tank 1, and a gap for allowing the kraft liner base fabric to pass through during roller coating is disposed between the guide wheel and the roller coating wheel.
The vibration soft production line is connected with the impregnation treatment equipment, so that the production efficiency is improved. In addition, through the combination of the vibration softening production line and the impregnation treatment equipment, the permeability of the kraft fiber base cloth after vibration softening treatment is greatly enhanced, so that the uniformity of the water-based PU material permeation by using the impregnation treatment equipment is greatly improved.
In this embodiment, the roll coater among the impregnation treatment facility is the reverse material loading roll coater, the PU membrane faying face of cow fibre skin base cloth sets up downwards during roll coating, carry out the single face material loading infiltration through locating the roll coating wheel of cow fibre skin base cloth below to the PU membrane faying face of cow fibre skin base cloth, this kind of reverse material loading roll coater can prevent that waterborne PU material from influencing the product property to the penetrability infiltration of cow fibre skin base cloth on the one hand, on the other hand can prepare the accurate control of lower viscosity waterborne PU material with better realization penetration layer degree of depth.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A vibration softening production line for post-treatment of a kraft fiber base cloth is characterized by comprising a leather vibration softening machine, a skin grinding machine and a napping machine which are sequentially arranged from feeding to discharging according to the post-treatment process, wherein the leather vibration softening machine is a through type leather vibration softening machine, the skin grinding machine is a through type skin grinding machine, and the napping machine is a through type napping machine; the number of the leather vibration staking machine is at least two, and the at least two leather vibration staking machines comprise a low-frequency leather vibration staking machine and a high-frequency leather vibration staking machine which are sequentially arranged.
2. The vibration softening production line for the post-treatment of the kraft liner base cloth according to claim 1, wherein the oscillation frequency of the low-frequency leather vibration softening machine is 200-300 times/min.
3. The vibration softening production line for the post-treatment of the kraft liner base cloth according to claim 1, wherein the oscillation frequency of the high-frequency leather vibration softening machine is 600-700 times/min.
4. The vibration softening production line for the post-treatment of the kraft base fabric according to claim 1, further comprising a medium frequency leather vibration softening machine disposed between the low frequency leather vibration softening machine and the high frequency leather vibration softening machine.
5. The vibration softening production line for the post-treatment of the kraft liner base cloth according to claim 4, wherein the oscillation frequency of the medium-frequency leather vibration softening machine is 400-500 times/min.
6. The vibration softening production line for the post-treatment of the kraft fiber base cloth according to any one of claims 2, 3 and 5, wherein the speed of the kraft fiber base cloth passing through the vibration softening production line is set to be 2.5-3 m/min during vibration softening treatment.
7. The vibration and softening production line for the post-treatment of the kraft liner base cloth according to claim 1, wherein a discharge end of the vibration and softening production line is connected with an impregnation treatment device, the impregnation treatment device comprises a roller coater for single-side feeding on a PU film bonding surface of the kraft liner base cloth, the roller coater is an inverted feeding roller coater, the inverted feeding roller coater comprises a guide wheel, a roller coating wheel and a roller coating groove which are sequentially arranged from top to bottom, the roller coating groove contains a water-based PU material, the lower end of the roller coating wheel is immersed in the water-based PU material of the roller coating groove, and a gap for allowing the kraft liner base cloth to pass through during roller coating is arranged between the guide wheel and the roller coating wheel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920452757.2U CN210127328U (en) | 2019-04-04 | 2019-04-04 | A shake soft production line for fine leather base cloth aftertreatment of ox |
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| CN201920452757.2U CN210127328U (en) | 2019-04-04 | 2019-04-04 | A shake soft production line for fine leather base cloth aftertreatment of ox |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112626879A (en) * | 2020-12-30 | 2021-04-09 | 东莞市天熠新材料科技股份有限公司 | Method for manufacturing super-soft recycled bovine fiber skin embryo |
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2019
- 2019-04-04 CN CN201920452757.2U patent/CN210127328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112626879A (en) * | 2020-12-30 | 2021-04-09 | 东莞市天熠新材料科技股份有限公司 | Method for manufacturing super-soft recycled bovine fiber skin embryo |
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