The utility model discloses a pull-proof punching die, which belongs to the technical field of decoration tools, including a shell, a punching needle and a push needle. The punching needle and a push needle are arranged in the shell from bottom to top, and the bottom of the shell is provided with a hole matched with the punching needle; the punching needle is arranged in the base of the punching needle, the outer surface of the punching needle base is matched with the inner wall of the shell, and the inner wall of the shell is matched with the base of the punching needle. The lower surface of the base of the punching needle contacts the limit step; the top of the punching needle is provided with a protruding limit table whose outer diameter is larger than the diameter of the through hole in the middle of the base of the punching needle; the punching needle is arranged in the punching needle sleeve which is connected with the base of the punching needle at the top, and the pushing needle penetrates the base of the punching needle, and the lower end of the pushing needle is connected with the top of the casing of the punching needle. By pushing against the casing of the punching needle, the shell drives the punching needle upward, thus breaking away from the punching screw, preventing the bad damage of the die and machine table caused by the pulling screw, preventing the bad product from occurring, and realizing the purpose of the production stability of the punching screw.
【技术实现步骤摘要】
防拉型打孔模具
本技术属于装修工具
,尤其涉及一种防拉型打孔模具。
技术介绍
目前,普通用于打孔螺钉的打孔模具仅由两部分组成:打孔顶针及外壳。由于实际生产中根据打孔深度的不同,容易产生拉钉现象。一旦产生拉钉,即打孔螺钉粘结在打孔顶针上,就会损坏模具及设备,耽误生产工期及影响品质状况。
技术实现思路
本技术的目的是提供一种防拉型打孔模具,旨在解决上述现有技术中打孔螺钉易粘结打孔顶针上,造成拉钉现象影响品质的技术问题。为解决上述技术问题,本技术所采取的技术方案是:一种防拉型打孔模具,包括上下贯通的外壳、用于与打孔螺钉配合的打孔针及用于顶推打孔针的推针,所述打孔针和推针自下而上设置于外壳内,所述外壳的底部设有与打孔针配合的过孔;所述打孔针设置于打孔针底座内,所述打孔针底座的外表面与外壳内壁配合,所述外壳内壁设有与打孔针底座配合的限位台阶,所述打孔针底座的下表面与限位台阶接触;所述打孔针的顶部设有凸出的环形限位台,所述限位台的外径大于打孔针底座中部通孔直径;所述打孔针设置于打孔针套管内,所述打孔针套管的顶部与打孔针底座抵接;所述打孔针底座上设有与推针配合的针孔,所述推针的下端与打孔针套管的顶部抵接。优选的,所述推针的顶部设有推针底座,所述推针底座设置于外壳的上部的内孔内。优选的,所述打孔针底座的上表面设有与限位台配合的凹槽,所述打孔针的限位台设置于凹槽内。优选的,所述外壳的限位台阶下方设有第二台阶,所述打孔针套管的顶部设有与第二台阶配合的台圆。优选的,所述打孔针底座上方设有推针固定座,所述推针固定座上设有与推针配合的针孔。优选的,所述推针和推针底座均设置于推针套内, ...
【技术保护点】
1.一种防拉型打孔模具,其特征在于:包括上下贯通的外壳、用于与打孔螺钉配合的打孔针及用于顶推打孔针的推针,所述打孔针和推针自下而上设置于外壳内,所述外壳的底部设有与打孔针配合的过孔;所述打孔针设置于打孔针底座内,所述打孔针底座的外表面与外壳内壁配合,所述外壳内壁设有与打孔针底座配合的限位台阶,所述打孔针底座的下表面与限位台阶接触;所述打孔针的顶部设有凸出的环形限位台,所述限位台的外径大于打孔针底座中部通孔直径;所述打孔针设置于打孔针套管内,所述打孔针套管的顶部与打孔针底座抵接;所述打孔针底座上设有与推针配合的针孔,所述推针的下端与打孔针套管的顶部抵接。
【技术特征摘要】
1.一种防拉型打孔模具,其特征在于:包括上下贯通的外壳、用于与打孔螺钉配合的打孔针及用于顶推打孔针的推针,所述打孔针和推针自下而上设置于外壳内,所述外壳的底部设有与打孔针配合的过孔;所述打孔针设置于打孔针底座内,所述打孔针底座的外表面与外壳内壁配合,所述外壳内壁设有与打孔针底座配合的限位台阶,所述打孔针底座的下表面与限位台阶接触;所述打孔针的顶部设有凸出的环形限位台,所述限位台的外径大于打孔针底座中部通孔直径;所述打孔针设置于打孔针套管内,所述打孔针套管的顶部与打孔针底座抵接;所述打孔针底座上设有与推针配合的针孔,所述推针的下端与打孔针套管的顶部抵接。2.根据权利要求1所述的防拉型打孔模具,其特征在于:所述推针的顶部设有推针底座,所述推针底座设置于外壳的上部的内孔内。3.根据权利要求2所述的防拉型打孔模具,其特征在于:所述打孔针...
【专利技术属性】
技术研发人员:周雷,荆宝军,周志军,
申请(专利权)人:上海索力迪紧固件系统有限公司,
类型:新型
国别省市:上海,31
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