The utility model relates to a speed regulating mechanical bundling machine which is packaging machinery equipment. According to the characteristic that pressure gradually increases when materials are baled into packs, the utility model is designed with the principles of gearwheels, toothed racks, mechanical jacks and levers. A complete machine is composed of a host machine and a material box carriage. The utility model has the advantages of simple structure, small size, light weight, easy fabrication, small occupation of land, flexibility, convenient operation, time saving, labor saving, high efficiency, high speed, high durability, convenient maintenance, etc., which is widely used for bundling in material industries such as tobacco, palm, cotton, hemp, tea, medicinal materials, paper scrap, etc., lacking of technical maintenance personnel and having no energy.