The utility model relates to a clamping fixture, in particular to a multi linkage external floating clamping fixture, which comprises a base and a linkage group, the linkage group comprises a drive rod, a floating rod and a connecting rod, the upper end of the drive rod is provided with a floating piece, both ends of the floating piece is provided with a groove opening of the back, on both sides of the floating lever is two and a drive rod are symmetrically arranged on the central base and floating hinge bar, the opposite end of the floating rod is provided with an arc-shaped block, the arc-shaped blocks are respectively connected with the groove corresponding to the inner linkage; two and above are symmetrically arranged on the floating lever, connecting rod and a floating rod is arranged between the connecting rod. The back end is hinged with the upper end of the rod and the connecting rod, the lower end of the connecting rod and the back end is hinged with the floating lever. Adopting the technical scheme of the utility model is characterized in that the utility model has the advantages of good clamping effect, high durability and long service life.
【技术实现步骤摘要】
本技术涉及一种夹紧工装,特别是一种多联动外部浮动夹紧工装。
技术介绍
在机械加工中,通常要使用夹紧工装先将工件夹紧,然后在工件上进行加工,所以夹紧工装应用非常广泛,传统的夹紧工装存在夹紧效果不好,或夹持端面长期与工件接触,相互之间产生的摩擦导致工装夹持端面的磨损,耐性性能有待提高。
技术实现思路
本技术的目的在于解决上述技术问题,提供一种多联动外部浮动夹紧工装,具有夹紧效果好且耐用性高,使用寿命长的特点。为解决上述技术问题,本技术采用了一种多联动外部浮动夹紧工装,包括基座和联动组,其中,所述联动组包括驱动杆、浮动杆和连动杆,所述驱动杆的上端设有浮动件,所述浮动件的两端设有开口相背的凹槽,所述浮动杆为两个且对称设于所述驱动杆的两侧,所述浮动杆的中部与所述基座铰接,所述浮动杆的相对端均设有弧形块,所述弧形块分别挂接于与之对应的所述凹槽内;所述连动杆为两个且对称设于所述浮动杆的上方,所述连动杆与所设浮动杆之间设有连杆,所述连杆的上端与所述连动杆的相背端铰接,该连杆的下端与所述浮动杆的相背端铰接,所述连动杆的相向端均与所述基座铰接,该连动杆上与所述基座铰接的铰接点的上方设有夹块,所述夹块的夹持端设有硬质合金尖。进一步地,上述技术方案中,所述浮动件的中部套设于所述驱动杆的上端,通过设于所述驱动杆上的螺帽实现与所述驱动杆的固定连接。本技术所具有的有益效果:通过相对设置的浮动杆带动相对设置的连杆运动,通过连杆带动相对设置的连动杆运动,最终实现夹块的夹持端对工件的夹紧,本结构采用多联动的设计方式,保证了对工件夹紧的有效性,同时配合硬质合金尖直接接触工件,具有耐磨性强的特点,提高 ...
【技术保护点】
多联动外部浮动夹紧工装,包括基座和联动组,其特征在于:所述联动组包括驱动杆、浮动杆和连动杆,所述驱动杆的上端设有浮动件,所述浮动件的两端设有开口相背的凹槽,所述浮动杆为两个且对称设于所述驱动杆的两侧,所述浮动杆的中部与所述基座铰接,所述浮动杆的相对端均设有弧形块,所述弧形块分别挂接于与之对应的所述凹槽内;所述连动杆为两个且对称设于所述浮动杆的上方,所述连动杆与所设浮动杆之间设有连杆,所述连杆的上端与所述连动杆的相背端铰接,该连杆的下端与所述浮动杆的相背端铰接,所述连动杆的相向端均与所述基座铰接,该连动杆上与所述基座铰接的铰接点的上方设有夹块,所述夹块的夹持端设有硬质合金尖。
【技术特征摘要】
1.多联动外部浮动夹紧工装,包括基座和联动组,其特征在于:所述联动组包括驱动杆、浮动杆和连动杆,所述驱动杆的上端设有浮动件,所述浮动件的两端设有开口相背的凹槽,所述浮动杆为两个且对称设于所述驱动杆的两侧,所述浮动杆的中部与所述基座铰接,所述浮动杆的相对端均设有弧形块,所述弧形块分别挂接于与之对应的所述凹槽内;所述连动杆为两个且对称设于所述浮动杆的上方,所述连动杆与所...
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