CN102248617B - 棒、垒球成型模具及其成型方法 - Google Patents

棒、垒球成型模具及其成型方法 Download PDF

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CN102248617B
CN102248617B CN201110073873.1A CN201110073873A CN102248617B CN 102248617 B CN102248617 B CN 102248617B CN 201110073873 A CN201110073873 A CN 201110073873A CN 102248617 B CN102248617 B CN 102248617B
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ball
spheroid
mould
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softball
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CN102248617A (zh
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陈锡铭
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Taihui Xiamen Sport Equipment Co ltd
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Xiamen Dongbang Arts & Crafts Co ltd
Taihui Xiamen Sport Equipment Co ltd
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Priority to US13/186,971 priority patent/US8535470B2/en
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Priority to JP2012012314A priority patent/JP2012200595A/ja
Priority to KR1020120019634A priority patent/KR101264750B1/ko
Priority to US13/827,651 priority patent/US20130196067A1/en
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B45/00Apparatus or methods for manufacturing balls
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00Solid balls; Rigid hollow balls; Marbles
    • A63B37/12Special coverings, i.e. outer layer material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/38Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/40Plastics, e.g. foam or rubber
    • B29C33/405Elastomers, e.g. rubber
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00Solid balls; Rigid hollow balls; Marbles
    • A63B37/12Special coverings, i.e. outer layer material
    • A63B2037/125Special coverings, i.e. outer layer material stitchings
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2102/00Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
    • A63B2102/18Baseball, rounders or similar games
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2102/00Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
    • A63B2102/18Baseball, rounders or similar games
    • A63B2102/182Softball
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B45/00Apparatus or methods for manufacturing balls
    • A63B45/02Marking of balls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/44Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/48Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling
    • B29C33/50Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling elastic or flexible
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/54Balls

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

一种棒、垒球成型模具及其成型方法,首先依球体外形制作由两个“8”字型软质片模体对扣形成模腔的模具,在两片模体的对接搭接面内侧形成有球衣表面的线领槽,两片模体对合处还设有进料口;其次将PU材料以流质状态置于模具的模腔中,将进料口由活动塞堵住后,进行摇模以令PU材料均匀固化在模腔内壁上即为球体的球衣,同时球衣形成有容置球芯的内腔;接着打开活动塞再向球衣内腔中注入球芯材料质进行固化,便完成球衣与球芯的结合与形成;最后脱模,对球体外观进行修补。利用本发明制成的球体简单易行,二次加工工序简化,大幅提高球体生产效率;先形成球衣再成型球芯的方法,令球衣与球芯的结合更加紧密牢固,保证球体的物理性能。

Description

棒、垒球成型模具及其成型方法
技术领域
本发明有关一种棒、垒球的制作工艺,特别是指一种棒、垒球成型模具及其成型方法。
背景技术
目前正式比赛用的棒、垒球结构,主要是由球芯部份与包覆于球芯之外的皮制球衣构成。配合图1所示,该球衣是由两片“8”字形片材A对接缝合将球芯B包覆于其中而形成球体,在球衣的对接缝处缝制出线领以满足棒、垒球的外形要求,该线领的缝制通常是采用人工完成,因此对工人的操作能力具有较高的要求,而现今企业用工成本在不断增加的前提下,人工操作势必增加产品的制作成本;另外,皮制球衣的材料来源有限,且真皮材料价格较高,亦是造成产品价格难以降低之原因,进而难以提高产品市场竞争力;再者,两片对接缝合的球衣对于球体的使用受环境的限制,如若在潮湿或雨水天气使用,球体必须会从球衣的接缝中向球芯部分浸水,会造成球体重量增加,导体球芯部分松散而发生变形,进而影响球体的弹性系数,无法保证球体原有的物理特性,大大降低了球体的使用寿命。
因此,便出现了PU材质的球体球衣,如图2所示,其是利用两个对扣的半球形模体1’、2’将球衣成型于球芯上,该方法虽可以实现机械化制作球衣以降低人工制作成本的作用,以及利用PU材质替换真皮材质降低材料成本,同时达到密封性佳而防止浸水的功能;但是由于受模体形状的影响,成型后的球衣中部会出现合模线3’,必须二次人工对整个球体进行削毛边才可以满足球体外形的要求,所以仍然存在制作工序繁琐的问题;另外,该球芯外包覆成型球衣的方法使得球衣与球芯的结合紧密性不佳,容易出现球衣与球芯分离的问题,进而影响球体性能。
发明内容
本发明的目的是提供一种可以降低制作成本,令二次加工更加简单,并提高球芯与球衣结合牢固,保证球体使用性的棒、垒球成型模具及其成型方法。
为实现上述目的,本发明的解决方案是:
一种棒、垒球成型模具,其由对应球体外形的两个“8”字型片模体构成,该两片模体对扣即可形成球体外形,该两片模体为软性材料制成,在两片模体的对接处形成有搭接边,并在两片模体内表面的搭接面内侧形成有球衣表面的线领槽,而两片模体对合处还设有进料口与出气口。
一种棒、垒球成型方法,具体步骤:
1)、首先将对应球体外形制作的两个“8”字型软质片模体对扣形成具有模腔的模具;
2)、其次将PU材料以流质状态置于模具的模腔中,将模具的进料口由活动塞堵住后,进行摇模以令PU材料均匀固化在模腔内壁上即为球体的球衣,同时球衣形成有容置球芯的内腔;
3)、接着打开活动塞再向球衣内腔中注入球芯材料质进行固化,便完成球衣与球芯的结合;
4)、最后脱模便形成整个球体。
所述步骤3中球芯材质亦为PU材料。
所述步骤4之后再进行线领的喷涂作业,以凸显线领的色彩。
采用上述方案后,本发明通过两片模体对扣搭接后形成一个完整的球体成型腔,软性的模体容易脱模,并且两个“8”字型片模体对接处的线领槽恰成型出球衣表面两片拼接的线领,以满足球体外形的要求,合模线恰位于球体的线领中,无需进行修边即可满足球体外形要求,该成型模具结构简单,设计精巧,令球衣的成型简单易行,二次加工工序简化,大幅提高棒、垒球球体的生产效率;另外,先形成球衣再成型球芯的方法,令球衣与球芯的结合更加紧密牢固,保证球体的物理性能。
附图说明
图1为现有棒、垒球的立体分解示意图;
图2为现有棒、垒球球衣成型示意图;
图3为本发明模具的结构示意图;
图4为本发明模具的实施示意图;
图5为本发明的成型工艺流程示意图。
具体实施方式
如图3、4所示,本发明揭示了一种棒、垒球成型模具及其成型方法,该模具由对应球体外形的两个软质材料的“8”字型片模体1、2构成,该两片模体1、2对扣即可形成球体外形,该模体1、2具有较佳的可变形能力,如采用橡胶、硅胶或软质树脂等材料制作而成。
所述模体1的周边外表面形成有台阶面,以形成与模体2对接的搭接边11;在该搭接边11内表面的内侧形成球衣表面的线领槽13;在模体1的搭接边11上还凸设有与模体1内侧相通的进料槽14,在进料槽14两侧设有与模体1内侧相通的出气槽15;
所述模体2的周边内表面亦形有台阶面,其与上述模体1的台阶面恰好相对接形成与模体的相同厚度,该台阶面便形成了与模体1搭接边11配合的搭接边21;在该搭接边21内表面的内侧形成球衣表面的线领槽23;在模体2的搭接边21对应上述的进料槽14处亦凸设有与模体2内侧相通的进料槽24,在进料槽24两侧设有与模体2内侧相通的出气槽25;
如图4所示,两片模体1、2对扣搭接后即形成一个完整的球体成型腔,同时两进料槽14、24对接便形成了进料口3,而两两出气槽15、25对接便形成了位于进料口3两侧的出气口4。
配合图5所示,利用上述模具对棒、垒球的具体成型方法是:
首先,将对应球体外形制作的两个“8”字型软质片模体1、2对扣形成具有模腔的模具;
其次,将PU材料以流质状态灌入模具的模腔中,将模具的进料口3由活动塞5堵住后,进行摇模以令PU材料均匀固化在模腔内壁上而形成球体的球衣6,同时球衣6内侧形成有容置球芯的内腔7,球衣6在形成时出气口4具有排气功能以保证模具内的压力平衡;
接着,打开活动塞6再向球衣内腔7中注入球芯材料质进行固化,此处的球芯材料可采用PU材料,亦或其它具有弹性及硬质的材料,便完成球衣6与球芯8的结合;
最后,脱模便形成整体球体;
为令球体表面的外观性更佳,对球体外表面进料口处的毛边进行修整,并对线领处进行喷涂以凸显领线的色彩。
采用本发明的模具及方法制作的棒、垒球球体,通过两片模体对扣搭接后形成一个完整的球体成型腔,软性的模体容易脱模,并且两个“8”字型片模体对接处的线领槽恰成型出球衣表面两片拼接的线领,以满足球体外形的要求,合模线恰位于球体的线领中,无需进行修边即可满足球体外形要求,该成型模具结构简单,设计精巧,令球体的成型简单易行,二次加工工序简化,大幅提高棒、垒球球体的生产效率;另外,先形成球衣再成型球芯的方法,令球衣与球芯的结合更加紧密牢固,保证球体的物理性能。

Claims (4)

1.一种棒、垒球成型模具,其特征在于:由对应球体外形的两个“8”字型片模体构成,该两片模体对扣即可形成球体外形,该两片模体为软性材料制成,在两片模体的对接处形成有搭接边,并在两片模体内表面的搭接面内侧形成有球衣表面的线领槽,而两片模体对合处还设有进料口与出气口。
2.一种棒、垒球成型方法,具体步骤:
1)、首先将对应球体外形制作的两个“8”字型软质片模体对扣形成具有模腔的模具;
2)、其次将PU材料以流质状态置于模具的模腔中,将模具的进料口由活动塞堵住后,进行摇模以令PU材料均匀固化在模腔内壁上即为球体的球衣,同时球衣形成有容置球芯的内腔;
3)、接着打开活动塞再向球衣内腔中注入球芯材料质进行固化,便完成球衣与球芯的结合;
4)、最后脱模便形成整个球体。
3.如权利要求2所述的棒、垒球成型方法,其特征在于:所述步骤3中球芯材质亦为PU材料。
4.如权利要求2所述的棒、垒球成型方法,其特征在于:所述步骤4之后再进行线领的喷涂作业,以凸显线领的色彩。
CN201110073873.1A 2011-03-25 2011-03-25 棒、垒球成型模具及其成型方法 Active CN102248617B (zh)

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CN201110073873.1A CN102248617B (zh) 2011-03-25 2011-03-25 棒、垒球成型模具及其成型方法
US13/186,971 US8535470B2 (en) 2011-03-25 2011-07-20 Mold for shaping baseball or softball
JP2012012314A JP2012200595A (ja) 2011-03-25 2012-01-24 野球又はソフトボールの成形モールド及びその成形方法
KR1020120019634A KR101264750B1 (ko) 2011-03-25 2012-02-27 야구 또는 소프트볼의 성형 몰드 및 그 성형 방법
US13/827,651 US20130196067A1 (en) 2011-03-25 2013-03-14 Molded Game Ball and Process of Making the Same

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CN106110598B (zh) * 2016-07-12 2018-12-25 泉州绅翔橡胶有限公司 一种发泡橡胶质的一体式足球
CN106540418A (zh) * 2016-12-19 2017-03-29 厦门市再丰运动器材有限公司 贴皮棒垒球
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CN109011431A (zh) * 2018-08-21 2018-12-18 台慧(厦门)运动器材有限公司 一种棒、垒球线领涂色工艺

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CN108466387A (zh) * 2018-04-02 2018-08-31 詹智胜 球体成型模具及工艺

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