WO2023005363A1 - 立体丝垫机头模板交叉网格化往复运动方法和装置 - Google Patents

立体丝垫机头模板交叉网格化往复运动方法和装置 Download PDF

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WO2023005363A1
WO2023005363A1 PCT/CN2022/093338 CN2022093338W WO2023005363A1 WO 2023005363 A1 WO2023005363 A1 WO 2023005363A1 CN 2022093338 W CN2022093338 W CN 2022093338W WO 2023005363 A1 WO2023005363 A1 WO 2023005363A1
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template
head
odd
cross
templates
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PCT/CN2022/093338
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English (en)
French (fr)
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孙成伦
王健
宋春明
宋小川
迟静航
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大连塑料研究所有限公司
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Publication of WO2023005363A1 publication Critical patent/WO2023005363A1/zh

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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/07—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments otherwise than in a plane, e.g. in a tubular way
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/007—Addition polymers
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/009—Condensation or reaction polymers

Definitions

  • the invention belongs to the technical field of silk cushion forming, and in particular relates to a cross-grid reciprocating motion method and device for a three-dimensional silk cushion head template.
  • the production process of three-dimensional or planar plastic mats generally adopts extrusion of plasticized molten material, and multiple bundles of plastic filaments in a molten state are sprayed out through a mold and a wire plate, and fall onto a forming roller or a shaping roller for forming or shaping.
  • the rotation and peeling direction of the forming roller or shaping roller is the longitudinal direction of the product, the longitudinal overlapping points between the filaments are obviously more than the transverse overlapping points, thus causing the longitudinal strength of the product to be nearly multiples higher than the transverse strength.
  • the weak transverse strength has become the main factor seriously affecting the comprehensive strength of the product.
  • the present invention provides a cross-grid reciprocating motion method and device for the three-dimensional wire mat head template, which can make a row of tows swing to the left according to the effect of gridding, Another row of tow adjacent to it swings to the right, forming a diamond-shaped grid layout in the air, and falling onto the rotating forming roller, so that the nodes of the diamond-shaped grid are bonded and solidified, so that the overall structure of the three-dimensional wire mat becomes a regular and uniform cross network grid structure.
  • the plastic raw material is plasticized by the extruder, enters the head and distribution plate from the main flow channel, and passes through the flow channel in each single template of the combined swing odd and even template, and the flow channel in the flow channel After the raw materials flow into the collection guide groove, they are temporarily stored, and then the tow is evenly extruded through the tow outlet hole.
  • the combined swinging odd and even templates swing regularly according to the odd and even rows, so that the tow is formed regularly.
  • the rhombus grid shape is then dropped onto the rotating forming roller, and solidified by cooling to form a three-dimensional silk mat.
  • the plastic raw material is nylon or PP.
  • the combined oscillating odd-even templates include odd-numbered templates and even-numbered templates, the odd-numbered templates swing to the left, and the even-numbered templates swing to the right at the same time.
  • Three-dimensional wire cushion head template cross-grid reciprocating device the head is fixedly connected to the extruder through the flow channel, the lower end of the head is connected to the distribution plate, the template under the distribution plate is split and combined, and the two sides of the head are respectively fixed
  • the left swinging device and the right swinging device, the two swinging devices separately drive the template to move left and right along the bottom groove of the machine head, and the bottom groove is mechanically sealed with the machine head.
  • the templates are combined swing odd-even templates, and the combined swing odd-even templates are provided with several rows of single templates, wherein the odd-numbered templates are connected in a comb shape, and the even-numbered templates are connected in a comb-shaped shape.
  • each row of single templates is provided with a flow channel inside, and a collecting guide groove is arranged perpendicular to the flow channel.
  • the collecting guide groove is provided with several tow outlet holes, and the distance between each tow outlet hole is equal to or not equal.
  • the number of single templates of the combined oscillating parity templates is 2-12 rows.
  • the row spacing of each row of single templates of the combined oscillating odd-even templates is equal or unequal.
  • the left side swing device and the right side swing device can be one of oil cylinder, air cylinder, and mechanical crank structure respectively, and changing the driving stroke can change the angle and shape of the interlaced grid of the product.
  • the distribution plate is provided with a bottom groove connection piece, and the combined swing odd-even template is connected to the distribution plate through the bottom groove connection piece.
  • Fig. 1 is the schematic diagram of prior art integrated fixed formwork
  • Fig. 2 is the schematic diagram 1 of combined swing parity template of the present invention
  • Fig. 3 is the diagram of the cross-grid reciprocating motion device of the three-dimensional silk cushion head template
  • Fig. 4 is the schematic diagram of combined template motion structure
  • Fig. 5 is an overlapping form diagram of the intersecting grid in the air
  • Fig. 6 is a schematic diagram 2 of the combined wobble parity template of the present invention.
  • the present invention is described in detail below through specific examples, but the protection scope of the present invention is not limited. Unless otherwise specified, the experimental methods used in the present invention are conventional methods, and the experimental equipment, materials, reagents, etc. used can be obtained from commercial sources.
  • the formwork used in the prior art in the market is integrated fixed formwork 14, which is immovable;
  • the head 9 is fixedly connected with the extruder 10 through the flow channel, the lower end of the head 9 is connected to the distribution plate 18, the template under the distribution plate 18 is a split combination type, and the left side swing device 11 and the right side are respectively fixed on both sides of the head 9.
  • Swing device 12 the two swing devices separately drive the template to move left and right along the groove at the bottom of the machine head 9, and the bottom groove and the machine head 9 are mechanically sealed.
  • the template is a combined swing parity template 8, and the combined swing parity template 8 is provided with 2-12 rows of single templates, wherein the odd templates 6 are connected in a comb shape, and the even templates 7 are connected in a comb shape, and the row spacing of each row of single templates is equal. Or unequal.
  • Each row of single formwork is provided with flow channel 17 inside, and flow channel 17 vertical direction is provided with collecting guide groove 15, and collecting material guide groove 15 is provided with several tow outlet holes 16, each tow outlet hole 16 The distances are equal or unequal.
  • the left swinging device 11 and the right swinging device 12 can be one of oil cylinder, air cylinder and mechanical crank structure respectively, changing the driving stroke can change the angle and shape of the interlaced grid of the product.
  • Embodiment 1 of the present invention uses 5 rows as an example to illustrate the combined swinging odd-even formwork 8, and the combined swinging odd-even formwork 8 consists of 5 groups Composed of mutually independent templates, rows 1, 3, and 5 are driven by independent cylinders to move to the left, rows 2 and 4 are driven by another independent cylinder to move to the right, rows 1-5 of single templates extrude tow during the movement, A cross grid-like silk mat is formed.
  • the plastic raw material is plasticized by the extruder 10, enters the machine head 9 from the main flow channel, and passes through the flow channel 17 in each single plate of the combined swinging odd-even platen 8, and the raw material in the flow channel 17 flows into the collection guide groove 15 for temporary storage , and then evenly extrude the tow through the tow exit hole 16.
  • the combined swinging odd and even templates 8 swing regularly according to the odd and even rows, respectively, so that the tow forms a regular rhombus grid shape, and then falls On the forming roller 13 that rotates, form three-dimensional silk pad through cooling solidification.
  • Each row of tows arranged along the left and right directions of the machine head 9 is discharged during the moving process by independent 1-row single templates, 2-row single templates, 3-row single templates, 4-row single templates and 5-row single templates, that is, all The odd-numbered rows are discharged by the odd-numbered template 6, all the even-numbered rows are discharged by the even-numbered template 7, and the odd-numbered template 6 and the even-numbered template 7 move in opposite directions at the same time.
  • the shape of the combination of odd and even rows of tows overlapping in the air is a cross-grid shape.
  • the nodes of the cross-grid shape can be solidified and formed, as shown in FIG. 5 .
  • Embodiment 1 The difference from Embodiment 1 is that the distribution plate 18 is provided with a bottom groove connection piece 19 , and the combined swing odd-even template 8 is connected with the distribution plate 18 through the bottom groove connection piece 19 .
  • the raw material used in the product of the present invention is nylon or PP, and the raw material is plasticized by the extruder 10, and the raw material in the molten state is sent to the head 9 through the flow channel, and then the odd-even template 8 is combined to make the tow fall in a regular cross-net shape. Enter the rotating forming roller 13 to solidify and form.
  • test parameters of the present invention change as follows:
  • Raw material Nylon 6, silk cushion product specification: 450g/m 2
  • the product test result that adopts process of the present invention to manufacture is as follows:
  • the longitudinal strength of the product prepared by adopting the cross-grid reciprocating device and method of the three-dimensional wire cushion head template of the present invention does not change substantially, and the transverse strength is then doubled, so that the longitudinal and transverse forces of the product are basically the same. Equilibrium solves the problem that the product needs to increase the lateral force to make it meet the standard, and the product weight must be increased, saving raw materials.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

一种立体丝垫机头模板交叉网格化往复运动方法和装置，可将多排丝束按网格化的效果，使其一排丝束左摆，与其相邻的另一排丝束右摆，在空中形成菱形网格布局，落入旋转的成型辊（13）上，使菱形网格节点粘结固化，从而立体丝垫整体结构成为规律性统一的交叉网格结构，进而控制制品的横向强度，节约原料，降低能源消耗，提高了产品的市场竞争力。

Description

立体丝垫机头模板交叉网格化往复运动方法和装置 技术领域
本发明属于丝垫成型技术领域，具体涉及立体丝垫机头模板交叉网格化往复运动方法和装置。
背景技术
目前立体或者平面结构的塑料丝垫生产工艺，一般采用挤出塑化熔料，经过模具及丝板喷出熔融状态的多束塑料丝，落入成型辊或定型辊之上进行成型或定型。此方式由于成型辊或定型辊的旋转及剥离方向为制品的纵向，所以丝与丝的纵向搭结点明显多于横向搭结点，因而造成制品的纵向强度近倍数的高于横向强度，制品横向强度弱成为严重影响制品综合强度的主要因素。
高分子立体(含平面)丝垫在生产制造过程中为了满足制品纵、横两方向丝的搭结点均衡，即保证双方向抗拉强度相对一致，目前采用的最新技术方法是固定的机头及模板挤出丝束，在左右摆动的成型装置上成型；而未见固定成型装置，改造原有的机头及模板结构使其往复运动的技术方法。
发明内容
为了克服现有技术存在的不足，本发明提供立体丝垫机头模板交叉网格化往复运动方法和装置，可将多排丝束按网格化的效果，使其一排丝束左摆，与其相邻的另一排丝束右摆，在空中形成菱形网格布局，落入旋转的成型辊上，使菱形网格节点粘结固化，从而立体丝垫整体结构成为规律性统一的交叉网格结构。
本发明的上述目的是通过以下技术方案实现的：
立体丝垫机头模板交叉网格化往复运动方法，塑料原料经过挤出机塑化，从总流道进入机头与分配板，经过组合摆动奇偶模板各个单模板中的流道，流道中的原料流 入集料导槽后进行暂时储存，后通过丝束出孔均匀挤出丝束，挤出过程中，组合摆动奇偶模板分别按奇数排、偶数排有规律左右摆动，使丝束形成有规律的菱形网格状，然后落到转动的成型辊上，经冷却固化形成立体丝垫。
进一步的，所述塑料原料为尼龙或者PP。
进一步的，所述组合摆动奇偶模板包括奇数模板与偶数模板，奇数模板向左摆动，偶数模板同时向右摆动。
立体丝垫机头模板交叉网格化往复运动装置，机头通过流道与挤出机固定连接，机头下端连接分配板，分配板下的模板为分体组合式，机头两侧分别固定左侧摆动装置与右侧摆动装置，两个摆动装置分别单独带动模板沿机头底部沟槽进行左右运动，底部沟槽与机头机械密封。
进一步的，所述模板为组合摆动奇偶模板，组合摆动奇偶模板设有若干排单模板，其中奇数模板呈梳状连接，偶数模板呈梳状连接。
进一步的，每排单模板内部设有流道，与流道垂直方向设有集料导槽，集料导槽设有若干个丝束出孔，每个丝束出孔之间的距离为相等或不相等。
进一步的，所述组合摆动奇偶模板的单模板数量为2-12排。
进一步的，所述组合摆动奇偶模板的每排单模板的排距为均等或者不均等。
进一步的，所述左侧摆动装置与右侧摆动装置可以分别是油缸、气缸、机械曲柄结构中的一种，改变驱动行程可改变制品交错网格的角度和形状。
进一步的，所述分配板设有底部沟槽连接件，所述组合摆动奇偶模板通过底部沟槽连接件与分配板连接。
本发明与现有技术相比的有益效果是：
丝垫成型过程中纵向强度变化基本没有损失，横向强度则提高了一倍，使得产品 的纵向及横向力基本均衡，解决了产品需要提升横向力使其达标，而必须增加产品重量的问题，节约了原料，大大降低了能源的消耗，提高了产品的市场竞争力，社会效益和经济效益都非常大。
附图说明
图1为现有技术一体固定模板示意图；
图2为本发明组合摆动奇偶模板示意图1；
图3为立体丝垫机头模板交叉网格化往复运动装置图；
图4为组合模板运动结构示意图；
图5为交叉网格在空中的重叠形态图；
图6为本发明组合摆动奇偶模板示意图2。
其中，1、1排单模板，2、2排单模板，3、3排单模板，4、4排单模板，5、5排单模板，6、奇数模板，7、偶数模板，8、组合摆动奇偶模板，9、机头，10、挤出机，11、左侧摆动装置，12、右侧摆动装置，13、成型辊，14、一体固定模板、15、集料导槽、16、丝束出孔，17、流道，18、分配板，19、底部沟槽连接件。
具体实施方式
下面通过具体实施例详述本发明，但不限制本发明的保护范围。如无特殊说明，本发明所采用的实验方法均为常规方法，所用实验器材、材料、试剂等均可从商业途径获得。
实施例1
如图1所示，目前市场现有技术使用的模板为一体固定模板14，不可移动；本发明所采用的模板为组合分体移动式，为组合摆动奇偶模板8，如图2所示。
机头9通过流道与挤出机10固定连接，机头9下端连接分配板18，分配板18下 的模板为分体组合式，机头9两侧分别固定左侧摆动装置11与右侧摆动装置12，两个摆动装置分别单独带动模板沿机头9底部沟槽进行左右运动，底部沟槽与机头9机械密封。
所述模板为组合摆动奇偶模板8，组合摆动奇偶模板8设有2-12排单模板，其中奇数模板6呈梳状连接，偶数模板7呈梳状连接，每排单模板的排距为均等或者不均等。每排单模板内部设有流道17，与流道17垂直方向设有集料导槽15，集料导槽15设有若干个丝束出孔16，每个丝束出孔16之间的距离为相等或不相等。
所述左侧摆动装置11与右侧摆动装置12可以分别是油缸、气缸、机械曲柄结构中的一种，改变驱动行程可改变制品交错网格的角度和形状。
现有技术一体固定模板14挤出的丝束为垂直向下，不能形成交叉网格化形式；本发明实施例1组合摆动奇偶模板8以5排为例说明，组合摆动奇偶模板8由5组相互独立的模板组成，1，3，5排由独立油缸驱动向左移动，2，4排由另一独立油缸驱动向右移动，1-5排单模板在移动的过程中挤出丝束，形成交叉网格状丝垫。
实施例2
塑料原料经过挤出机10塑化，从总流道进入机头9，经过组合摆动奇偶模板8各个单模板中的流道17，流道17中的原料流入集料导槽15后进行暂时储存，后通过丝束出孔16均匀挤出丝束，挤出过程中，组合摆动奇偶模板8分别按奇数排、偶数排有规律左右摆动，使丝束形成有规律的菱形网格状，然后落到转动的成型辊13上，经冷却固化形成立体丝垫。
沿机头9左右方向排列的每排丝束，均由独立的1排单模板、2排单模板、3排单模板、4排单模板与5排单模板在移动过程中排料，即所有的奇数排由奇数模板6排出，所有的偶数排由偶数模板7排出，奇数模板6和偶数模板7同时反方向移动。
当奇数排丝束通过奇数模板6向左侧移动时，该排丝束运行轨迹向左上方前倾。与此同时，当偶数排丝束通过偶数模板7向右侧移动时，该排丝束运行轨迹向右上方前倾。奇偶排丝束组合重叠在空中的形状为交叉网格化外形，当落入旋转的成型辊13上，即可将交叉网格外形结点固化成型，如图5所示。
实施例3
与实施例1不同的是，分配板18设有底部沟槽连接件19，所述组合摆动奇偶模板8通过底部沟槽连接件19与分配板18连接。
实施例4
本发明产品使用的原料为尼龙或者PP，原料通过挤出机10塑化将熔融状态的原料通过流道送入机头9，再通过组合摆动奇偶模板8，使丝束呈规律交叉网状落入旋转的成型辊13固化成型。
以尼龙为例，本发明试验参数变化如下：
原料：尼龙6，丝垫制品规格：450g/m 2
采用现有技术常规的生产工艺制造的制品测试结果如下：
纵向力：1.60KN/m，横向力：0.83KN/m。
采用本发明工艺制造的制品测试结果如下：
纵向力：1.72KN/m，横向力：1.76KN/m。
注明：纵向力、横向力，均为拉伸断裂强度值。
由测试结果可知，采用本发明立体丝垫机头模板交叉网格化往复运动装置和方法制备的产品，其纵向强度基本没变化，横向强度则提高了一倍，使得产品的纵向及横向力基本均衡，解决了产品需要提升横向力使其达标，而必须增加产品重量的问题，节约了原料。
以上所述实施方式仅为本发明的优选实施例，而并非本发明可行实施的全部实施例。对于本领域一般技术人员而言，在不背离本发明原理和精神的前提下对其所作出的任何显而易见的改动，都应当被认为包含在本发明的权利要求保护范围之内。

Claims (10)

  1. 立体丝垫机头模板交叉网格化往复运动方法，其特征是，塑料原料经过挤出机(10)塑化，从总流道进入机头(9)与分配板(18)，经过组合摆动奇偶模板(8)各个单模板中的流道(17)，流道(17)中的原料流入集料导槽(15)后进行暂时储存，后通过丝束出孔(16)均匀挤出丝束，挤出过程中，组合摆动奇偶模板(8)分别按奇数排、偶数排有规律左右摆动，使丝束形成有规律的菱形网格状，然后落到转动的成型辊(13)上，经冷却固化形成立体丝垫。
  2. 如权利要求1所述的立体丝垫机头模板交叉网格化往复运动方法，其特征是，所述塑料原料为尼龙或者PP。
  3. 如权利要求1所述的立体丝垫机头模板交叉网格化往复运动方法，其特征是，所述组合摆动奇偶模板(8)包括奇数模板(6)与偶数模板(7)，奇数模板(6)向左摆动，偶数模板(7)同时向右摆动。
  4. 立体丝垫机头模板交叉网格化往复运动装置，其特征是，机头(9)通过流道与挤出机(10)固定连接，机头(9)下端连接分配板(18)，分配板(18)下的模板为分体组合式，机头(9)两侧分别固定左侧摆动装置(11)与右侧摆动装置(12)，两个摆动装置分别单独带动模板沿机头(9)底部沟槽进行左右运动，底部沟槽与机头(9)机械密封。
  5. 如权利要求4所述的立体丝垫机头模板交叉网格化往复运动装置，其特征是，所述模板为组合摆动奇偶模板(8)，组合摆动奇偶模板(8)设有若干排单模板，其中奇数模板(6)呈梳状连接，偶数模板(7)呈梳状连接。
  6. 如权利要求5所述的立体丝垫机头模板交叉网格化往复运动装置，其特征是，每排单模板内部设有流道(17)，与流道(17)垂直方向设有集料导槽(15)，集料导槽(15)设有若干个丝束出孔(16)，每个丝束出孔(16)之间的距离为相等或不相等。
  7. 如权利要求5所述的立体丝垫机头模板交叉网格化往复运动装置，其特征是，所述组合摆动奇偶模板(8)的单模板数量为2-12排。
  8. 如权利要求5所述的立体丝垫机头模板交叉网格化往复运动装置，其特征是，所述组合摆动奇偶模板(8)的每排单模板的排距为均等或者不均等。
  9. 如权利要求4所述的立体丝垫机头模板交叉网格化往复运动装置，其特征是，所述左侧摆动装置(11)与右侧摆动装置(12)可以分别是油缸、气缸、机械曲柄结构中的一种，改变驱动行程可改变制品交错网格的角度和形状。
  10. 如权利要求4所述的立体丝垫机头模板交叉网格化往复运动装置，其特征是，所述分配板(18)设有底部沟槽连接件(19)，所述组合摆动奇偶模板(8)通过底部沟槽连接件(19)与分配板(18)连接。
PCT/CN2022/093338 2021-07-26 2022-05-17 立体丝垫机头模板交叉网格化往复运动方法和装置 WO2023005363A1 (zh)

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