WO2018049550A1 - 鞋面制造方法 - Google Patents

鞋面制造方法 Download PDF

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Publication number
WO2018049550A1
WO2018049550A1 PCT/CN2016/098792 CN2016098792W WO2018049550A1 WO 2018049550 A1 WO2018049550 A1 WO 2018049550A1 CN 2016098792 W CN2016098792 W CN 2016098792W WO 2018049550 A1 WO2018049550 A1 WO 2018049550A1
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Prior art keywords
thermosetting
manufacturing
thermoplastic
compound
strip
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PCT/CN2016/098792
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English (en)
French (fr)
Inventor
马柯佛·杰可福
马尔斯巴·可恰哇
沙德·亚可福
Original Assignee
欧利速精密工业股份有限公司
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Application filed by 欧利速精密工业股份有限公司 filed Critical 欧利速精密工业股份有限公司
Priority to PCT/CN2016/098792 priority Critical patent/WO2018049550A1/zh
Publication of WO2018049550A1 publication Critical patent/WO2018049550A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00—Producing footwear
    • B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B29D35/14—Multilayered parts

Definitions

  • the invention relates to a printing manufacturing method, in particular to a 3D printing manufacturing method applied to the footwear industry.
  • Most current footwear and especially athletic shoes are designed to make up the upper with a combination of materials.
  • materials such as PU or TPU of various shapes and colors are adhered to the upper.
  • Most of this program is performed manually.
  • the roll material is cut into a desired shape and size by using a die, and then attached to the upper substrate via an adhesive.
  • the adhesive can be applied to the cut material, or the raw material can be used in advance by the raw material manufacturer. Glue. After attaching the web to the upper material, it is firmly bonded by hot pressing. This procedure is prone to waste of material after joining and requires intensive manual operation, which is costly. And because of the manual operation, the accuracy is limited.
  • the object of the present invention is to solve the disadvantages of the conventional shoe printing process which is too complicated and cannot be fully automated, and at the same time, the productivity of the process can be further improved.
  • an upper manufacturing method of the present invention mainly uses the mold making method (elastic prototype built upper 3D printing method), milling mold technology and other known mold making techniques to obtain the same final shoes. Face shape.
  • the mold can be accurately positioned relative to the fixed mixing gun operating arm; further, the discharging system can provide a liquid thermosetting compound or a thermoplastic compound according to the material requirements of the upper printing area; Through the automatic control system, the mutual displacement and positioning between the mold and the feed gun are operated, so that the printed material can be injected into the mold at a precise position in a predetermined amount, and the position and flow rate of the printed material can be controlled at the same time.
  • the printed material is filled into the cavity with an appropriate amount and uniform distribution. Available at Preheat the mold before pouring the program.
  • the upper material is lowered in height to the mold and pressed to press the printed material onto the upper material.
  • the composition is cured to a final stable state while forming a strong bond therebetween.
  • the upper manufacturing method of the present invention can be applied to printing a single upper region with a single curable mixture gun, or for multiple injection guns, and each shot gun can provide a different composition or color. It can also be used to apply a castable material to a full roll upper material that has not been cut into a single upper, using a plurality of parallel racks with pre-computed spacing shotguns, the pre-calculated intervals being matched Set the upper on the roll to facilitate later cutting.
  • the robot arm may optionally be equipped with a plurality of simultaneous or retractable shotguns to accelerate the feeding process.
  • thermoplastic material is printed on the upper surface opposite the castable composition.
  • the execution of this program is controlled by the robot arm to precisely position the mold and the feed gun, and the extruder is mounted on the robot arm to precisely control the discharge amount, and also to control the position and flow of the molten thermoplastic material.
  • Figure 1 is a top plan view of a mold cavity placed on a transfer plate.
  • 2A is a schematic view of pouring a thermosetting compound into a cavity of a mold.
  • Figure 2B is a schematic illustration of the printing of a thermoplastic compound onto an upper.
  • FIG. 3 is a schematic flow chart of a manufacturing method of a shoe upper according to a preferred embodiment of the present invention.
  • FIG. 4 is a top plan view showing the flow of a method of manufacturing an upper according to a preferred embodiment of the present invention.
  • a preferred embodiment of the present invention is as described below.
  • a mold 1 is manufactured by a known mold making process, and the bearing shown in FIG.
  • the template 2 of the upper component is produced in the same manner as the mold 1, and is also used to inject a molten thermosetting compound into the cavity 3 so as to be adhered to a region of the upper composed of several upper members.
  • the upper material 11 has a uniform width, so the design of the template 2 has the length of the upper and the same width as the full width of the roll.
  • the template 2 can be attached to the two-dimensional mechanical arm 5 having the moving shafts 6, 7 by any abutting mechanism 4 (Fig. 2) capable of holding the template, the two-dimensional mechanical arm 5 being located relative to a PU A known position of a nozzle 8 of the gun system 9.
  • the PU feed gun system 9 is a standard feeder having a heating mixing chamber, and the multi-component material from a trough 10 can be fully heated and mixed after the PU feed gun system 9 is passed through The nozzle 8 is output, and under the appropriate flow rate control and the operation control of the two-dimensional robot arm 5, a pressurized injection operation is performed. Accordingly, the thermoset liquefaction and material can be applied to a designated location (EX: cavity 3) in the mold 1 in a controlled distribution and throughput.
  • EX cavity 3
  • thermosetting material extruder 13 is attached to the thermosetting compound provided in the cavities 3; and the feeding nozzle 12 of the thermosetting material extruder 13 can be designed according to the shoe design.
  • a thermoplastic material is printed on the upper material 11.
  • the molds 1 and the templates 2 are statically fixed on a conveyor 26, but it is worth mentioning that a shotgun 27 is mounted on the XYZ moving system 21 (please cooperate with Figure 3).
  • a shotgun 27 is mounted on the XYZ moving system 21 (please cooperate with Figure 3).
  • 6 or more of the molds 1 can be disposed on the conveyor 26, after all the steps (Step 1 - Step 5) are completed, These molds 1 will be moved back to the initial position; and each step has its predetermined running time, the maximum step time is defined by the movement time of these molds 1, and further, these templates 2 are static in each step, and will be in each step. After completion, the conveyor 26 is moved to the next step to perform the location.
  • the injection gun 27 is controlled by an XYZ robot arm 14, and the thermosetting compound is poured into the mold 1 according to the frequency of the program-defined injection frequency. Cavity 3.
  • the mold 1 is then moved with the conveyor 26, the unit step distance being the length of the mold 1.
  • step 2 the thermosetting compound is heated by a heater 15 to a suitable temperature sufficient to accelerate the curing process. If the heating time is longer than the other steps, a plurality of heaters 15 may be provided to increase the throughput. At the end of this step, the viscosity of the thermosetting compound should be suitable for attachment to the strip material 22.
  • step 3 the strip of upper material 16 is pulled from a roller 17 in a manner synchronized with the conveyor 26 to pass between the molds 1 and a platen 18 placed on the conveyor 26.
  • the platen 18 is heated by electric current, it is pressed down onto the mold 1, and the strip-shaped upper material 16 is pressed onto the thermosetting compound material and the mold 1 containing the thermosetting material by using the controlled heat and pressure.
  • This causes the thermosetting compound in a molten state to infiltrate into the fibers of the strip-shaped upper material 16, and then the curing process of the thermosetting compound is performed.
  • the pressure plate 18 is raised, and the mold 1 is moved to the next step 4 for the place. If the heating time is longer than the other steps, a plurality of the pressure plates 18 may be provided to increase the throughput.
  • step 4 a thermosetting compound adhered to the strip upper material 16 is heated by a heater 19, thereby completing a post-cure procedure to facilitate removal of the thermosetting compound from the cavities 3. If the heating time is longer than the other steps, a plurality of the heating stations 19 may be provided to increase the throughput. Then, the thermosetting material in the mold 1 is adhered The strip of upper material 16 is moved to a thermoplastic printing station.
  • thermoplastic material extruder 20 mounted on the XYZ moving system 21 is used to print the thermoplastic compound on the strip according to the design of the shoe.
  • the penetration efficiency of the thermoplastic compound to the substrate is controlled by the pressure applied to the strip upper material 16 by the feed nozzle 201 of the thermoplastic material extruder 20, the ambient temperature of the substrate, and the melting point of the thermoplastic compound itself. ...And other factors.
  • the mold 1 is moved to a rest station to first cool the thermoplastic printing material.
  • the strip material 22 carrying the thermoplastic finished product 23 and the thermosetting finished product 24 is wound up on a roller 25 and separated from the molds 1, and the molds 1 are returned to the original position for preparation.
  • the next coating cycle Referring to FIG. 3 and FIG. 4 together, the alignment between the thermosetting finished product 23 formed by the thermosetting compound and the thermoplastic finished product 24 formed by the thermoplastic compound is obtained by comparing the mold 1 of the thermosetting compound with respect to the output thermoplastic.
  • the thermoplastic material extruder 20 of the compound material is precisely placed to achieve.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

一种使用热固性复合材料及热塑性材料经由单一程序制造鞋面部分的鞋面制造方法，其是通过倾倒程序将液态热固性材料置入模拟模具（1），并以数字方式将热塑性材料印刷于鞋面表面上。在所述模拟模具（1）中填充可铸性组成物时，是使用计算机控制机械臂（5,14）依据给料程序在二维空间中移动给料器（9,27）而达成精准给料的效果。将鞋面材料（11,16）热压于填有热固性组成物的模具（1），即可将鞋面材料（11,16）与热固性组成物贴合。鞋面的另一侧使用热塑性材料印刷。使用计算机控制机械臂依据给料程序于二维空间中移动压出机（13,20），藉此实施印刷程序。于单一生产在线实施此等印刷程序的优点包括印刷部件间的自动对齐、无脱机部件制造需求以及能够大幅节省人工及搬运工序。

Description

鞋面制造方法 技术领域
本发明涉及一种印刷制造方法，尤指一种应用于制鞋产业的3D印刷制造方法。
背景技术
当前多数鞋品且特别是运动鞋的设计是利用愈来愈多种材料组合构成鞋面。例如将各种造型及色彩的PU或TPU等材料黏接于鞋面。此程序多半是以人工执行。首先使用刀模将成卷材料切割成所需形状及大小，再经由黏胶贴附于鞋面底材，所述黏胶可涂抹于切割后的料片，亦可由原料厂商事先于成卷的材料上胶。将料片贴附于鞋面材料后，透过热压处理使其牢固结合。此程序容易造成接合后的材料浪费，且需要密集人力操作，因而成本高昂。且因涉及人工操作，精确度有限。
本发明的目的即为将此程序自动化，藉以克服现有程序的缺陷，并提高印刷鞋面的生产能力。
发明内容
本发明的目的是解决已知鞋面印制制程中过于繁复、无法全面自动化的缺点，同时能更进一步提高制程的产率。
欲达成前述发明目的，本发明的一种鞋面制造方法，主要是运用模具制作方法(弹性原型建置的鞋面3D印刷方法)、铣削模具技术及其他已知模具制作技巧获致相同的最终鞋面部件形状。其中，所述模具可相对于固定的混合注料枪操作臂精确定位；再者，出料系统得依据鞋面印制区域的材料要求提供液态热固性化合材料或是热塑性化合材料；再搭配操作臂得经自动控制系统，操作模具与给料枪之间的相互位移与定位，使印制材料得在准确位置以预定的数量注入模具中，亦得同时控制用于印制材料的位置及流量。
因此，印制材料以适当料量及均匀分布填充于模穴之内。可在 倾倒程序前将模具预先加热。当到达所需印制材料黏度时，将鞋面制作材料以平直状态降低高度至模具上，并加以压合，使印制材料压印至鞋面制作材料上。为加速固化程序，同时对于鞋面及模具加压加热，使组成物固化成最终稳定状态，同时于其间形成牢固结合。
本发明的鞋面制造方法可应用于以单一可固化混合物枪处理单一鞋面区域的印制，亦可用于多重注料枪，且每一注料枪得提供不同的组成物或颜色。其亦可用于将可铸性材料涂布于尚未切割成单一鞋面的整卷鞋面材料，利用多个平行架装且其间设有预先计算间隔的注料枪，所述预先计算间隔是配合料卷上鞋面的设置，以利稍后切割。在此情况下，机械臂可视情况装有多个同时点或可先后出料的注料枪，以便加速给料程序。
应知以下所述的较佳实施例是为说明本专利申请案所请方法，且不应限制本发明透过各种方式及实施例实施的范围。亦可加入额外材料，但所添加的额外材料应具备能够经由给料器以流体状态涂布且可于涂布后经由辐射或时间启动化学反应快速固化的特性。
在可铸性混合物倾倒程序后，将热塑性材料印刷于与可铸性组成物反向的鞋面表面。此程序的执行是由机械臂控制模具与给料枪的精确相对位置，并由架设于机械臂的压出机精确控制出料量，同时亦可控制熔融热塑性材料的位置及流动。
附图说明书
图1为一具模穴的模具置放于传输板的上视图。
图2A为将热固性化合材料倒入模具的模穴中的示意图。
图2B为将热塑性化合材料印制于鞋面的示意图。
图3为本发明一较佳实施例的鞋面制造方法流程示意图。
图4为本发明一较佳实施例的鞋面制造方法流程的上视图。
附图中符号标记说明：
A为步骤1；B为步骤2；C为步骤3；D为步骤4；E为步骤5；F为步骤6；1为模具；2为模板；3为模穴；4为抵接机构；5为二 维机械臂；6、7为移动轴；8为喷嘴；9为PU给料枪系统；10为料槽；11为鞋面材料；12为给料嘴；13为热固性材料压出机；14为X-Y-Z机械臂；15为加热站；16为条状鞋面材料；17为滚轴；18为压板；19为加热站；20为热塑性材料压出机；201为给料嘴；21为X-Y-Z移动系统；22为条状材料；23为热塑性成品；24为热固性成品；25为滚轴；26为输送机；27为注料枪。
具体实施方式
下面将结合附图对本发明的技术方案进行清楚、完整的描述，显然，所描述的实施例是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明特举一较佳实施例如下所述，请配合参阅图1所示，一模具1是以一种已知的模具制作程序所制成，且于图1中显示的一承载欲印刷只鞋面部件的模板2，其制作方式与模具1相同，也是用于将熔融态的热固性化合材料注入模穴3中，以便黏贴至鞋面上由数种鞋面部件组成的区域。这是由于鞋面材料11具有统一宽度，因此该模板2的规格设计具有鞋面的长度，以及与料卷全幅相同的宽度。
其中，该模板2可通过任何能够固持模板的抵接机构4(图2)连附于具有移动轴6、7的二维机械臂5上，该二维机械臂5是位于相对于一PU给料枪系统9的一喷嘴8的已知位置。其中，该PU给料枪系统9为一种标准给料器，其具有加热混合舱，可将来自一料槽10的多成分物料，于该PU给料枪系统9充分加热混合的后再经由该喷嘴8输出，且在适当的流量控制以及该二维机械臂5的动作控制下，进行加压注料作业。据此，热固性液态化和材料能够以受控的分布及料量施用于该模具1中的指定位置(EX:模穴3中)。
接着，将该鞋面材料11贴附至设于这些模穴3中的热固性化合材料上；且一热固性材料压出机13的给料嘴12可依据鞋款设计， 将热塑性材料印刷于该鞋面材料11上。
然，在输送机生产线系统中，这些模具1以及这些模板2为静态固定于一输送机26上，但值得一提的是，一注料枪27是架设于X-Y-Z移动系统21(请配合图3所示)上，作为达到本发明欲使制成自动化的目的；再者其中，该输送机26上可设置6个或以上的该模具1，当所有步骤(步骤1-步骤5)完成后，这些模具1将移动回初始位置；且各步骤有其预定的运行时间，最大步骤时间是由这些模具1的移动时间来定义，再者，这些模板2于各步骤中为静态，将于各步骤完成后随该输送机26移动至下一步骤进行场所。
于步骤1的热固性化合材料倾倒步骤中，请一并配合图2A所示，注料枪27受一X-Y-Z机械臂14操控移动，并依据程序定义的注料频率将热固性化合材料倾倒入模具1的模穴3。随后模具1随该输送机26移动，其单位步进距离为该模具1的长度。
于步骤2中，是由一加热器15将热固性化合材料加热至足以加速固化程序的适当温度。若加热时间长于其他步骤，可设置多个加热器15以利提升产出量。于此步骤结束时，热固性化合材料的黏度应适合贴附于条状材料22上。
于步骤3中，以与该输送机26同步的动作将一条状鞋面材料16从一滚轴17拉出，使其通过放置于该输送机26上的这些模具1与一压板18之间。其中，该压板18经通电加热后，下压至该模具1之上，使用受调控的热度及压力将该条状鞋面材料16按压至热固性化合材料以及装有热固性材料的模具1上，藉此使得熔融状态的热固性化合材料渗入该条状鞋面材料16的纤维中，再接着执行热固性化合材料的固化程序。当该条状鞋面材料16与热固性材料黏贴完成时，该压板18升起，该模具1移动至下一步骤4进行场所。若加热时间长于其他步骤，可设置多个该压板18以利提升产出量。
于步骤4中，是以一加热器19加热贴附于该条状鞋面材料16上的热固性化合材料，藉此完成后固化程序，以方便热固性化合材料能够从这些模穴3中取出。若加热时间长于其他步骤，可设置多个该加热站19以利提升产出量。而后，黏附有模具1中热固性材 料的该条状鞋面材料16移动至热塑性材料印刷站。
于接续的步骤5中，请一并配合图2B所示，在此由架设于该X-Y-Z移动系统21上的一热塑性材料压出机20，得依据鞋款设计而将热塑性化合材料印刷于该条状鞋面材料16的表面。其中，热塑性化合材料对于基材的渗透效率是受控于该热塑性材料压出机20的给料嘴201施加于该条状鞋面材料16的压力、基材环境温度以及热塑性化合材料本身的熔点…等因素。
于步骤5的延压印刷程序完成后，将模具1移动至休息站，先将热塑性印刷材料放凉。并于该输送机26的另一端，将附载有热塑性成品23及热固性成品24的条状材料22卷收于一滚轴25上，并与这些模具1分离，将这些模具1回归原位准备进行下一个涂布周期。再请一并参阅图3与图4，其中，一经该热固性化合材料成形的热固性成品23与一经热塑性化合材料成形的热塑性成品24间的对齐是通过将该热固性化合材料的模具1相对于输出热塑性化合材料的该热塑性材料压出机20精确放置而达成。
综上所述，上述各实施例及附图仅为本发明的较佳实施例而已，并不用以限定本发明的保护范围，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，皆应包含在本发明的保护范围内。

Claims (8)

  1. 一种鞋面制造方法，其特征在于，包含：
    步骤1：将一熔融的热固性化合材料倾倒于一模板的模穴中；
    步骤2：加热该热固性化合材料至固化状态；
    步骤3：结合该热固性化合材料于一条状鞋面材料上；
    步骤4：加热该热固性化合材料，据以使该热固性化合材料成形为一热固性成品并固设于该条状鞋面材料上；
    步骤5：藉由一热塑性材料压出机将一热塑性化合材料成形为一热塑性成品印制于该条状鞋面材料上；
    步骤6：卷收该条状鞋面材料。
  2. 如权利要求1所述的鞋面制造方法，其特征在于，该热固性化合材料是通过一模拟填模施用后再贴附至该条状鞋面材料。
  3. 如权利要求1所述的鞋面制造方法，其特征在于，该热固性成品及该热塑性诚品是印制于该条状鞋面材料的相反两侧。
  4. 如权利要求1所述的鞋面制造方法，其特征在于，该热固性成品与该热塑性成品间的对齐是通过将该热固性化合材料的该模具相对于该热塑性化合材料的一热塑性材料压出机精确放置而达成。
  5. 如权利要求1或2或3或4所述的鞋面制造方法，其特征在于，该模具包含多种型态的模穴以供热固性材料倾倒，倾倒时是以多个给料枪同时运作倾倒热固性材料，这些给料枪具有相同的形状但彼此间隔，因此给料时间可依据同时使用给料枪的数量而有所缩减。
  6. 如权利要求5所述的鞋面制造方法，其特征在于，是由一X-Y-Z机械臂移动该给料枪，同时该模具在给料期间固定不动。
  7. 如权利要求5所述的鞋面制造方法，其特征在于，各给料枪是用以施加颜色或特性不同的组成物。
  8. 如权利要求5所述的鞋面制造方法，其特征在于，所倾倒的该热固性化合材料为任何于流体状态下可注射且注射后可经加热或特殊能量辐射或时间而固化的化合材料。
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