The pressure joint mechanism, which is driven by cylinder, is a mechanical structure for some products to be pressed and assembled.The agency is different from general press agencies, agencies have eliminate stress in a system, is a constant pressure of pressing machine, has the possibility to crush the product when output air pressure is too large, the ingenious application of the spring and intermittent mechanism, can eliminate the above may produce destructive power.It is a very typical application model.if you like,you can paypal for you to get this models or if you have any questions also you can email to me.