45results about How to "Avoid multiple clamping" patented technology

The invention discloses a continuous and automatic air conditioner pipe fitting bending and forming device. The continuous and automatic air conditioner pipe fitting bending and forming device comprises a rack and a pneumatic clamp for fixing an air conditioner pipe fitting. The pneumatic clamp is slidingly arranged on the rack, the end of the rack is provided with a support, the support is rotatably provided with a bending mechanism, the bending mechanism comprises a bending base and a bending assembly arranged on the bending base, the bending base is in swinging connection with the support,the bending base is provided with a limiting die externally lined on one side of the air conditioner pipe fitting, the limiting die is provided with a limiting groove corresponding to the air conditioner pipe fitting in diameter and can swing with the bending base, the bending assembly is in misplaced connection with the limiting ide, the bending assembly is liftably arranged on the bending base and is externally lined on the other side of the air conditioner pipe fitting through lifting. Compared with the prior art, the continuous and automatic air conditioner pipe fitting bending and formingdevice achieves mechanical bending machining and improves the production efficiency.

The invention belongs to the technical field, and particularly relates to a tubular product multi-section one-time closing-in forming die and a forming method. The die sequentially comprises a supporting plate, a lower die holder, a base plate, a concave die plate, a stripper plate, a concave die fixing plate, a second concave die, a first concave die, a concave die fixing sleeve and an upper dieholder; the lower die holder, the base plate, the concave die plate and the stripper plate are tightly connected, the concave die fixing plate, the second concave die, the first concave die, the concave die fixing sleeve and the upper die holder are tightly connected, a gap is formed between the supporting plate and the lower die holder, and a gap is formed between the stripper plate and the concave die fixing plate; a material return rod penetrates through the lower die holder, the base plate and the concave die plate, one end of the material return rod is fixedly connected with the supporting plate, and the other end of the material return rod is fixedly connected with the stripper plate; a positioning core rod penetrates through the concave die plate, the stripper plate, the concave diefixing plate, the second concave die, the first concave die and the concave die fixing sleeve, one end of the positioning core rod is fixedly connected with the base plate, and the other end of the positioning core rod is connected with the upper die holder. The technology is easy to master, manufacturing of the die is easy to ensure, the manufacturing cost is low, and the product size precisionand shape precision are easy to ensure, and operation is safe and convenient.

The invention discloses an auxiliary device for clamping special-shaped parts of an aircraft and a clamping method thereof, which comprises a cylindrical rotating body, two ends of the rotating body are respectively provided with cylindrical clamping ends and fixed ends; The surface on one side of the end is provided with two planes. The two planes are symmetrical with the axis of the revolving body. The clamping surface is provided with several screw holes, and both ends of the clamping surface are provided with fixed bosses. Two bolt holes are provided on the fixed boss, and pin holes are set between the two bolt holes. The clamping method includes steps S1-S14. By designing different stations on the same rotary body, the invention can assist CNC machine tools to process aircraft special-shaped and difficult-to-machine parts, avoid multiple clamping and the use of special tooling in the processing process, improve processing efficiency, and ensure the size of the parts. Accuracy and Geometric Accuracy.

The invention discloses a method for processing a fir tree-shaped arc tenon with a forming milling cutter. The forming milling cutter includes a cutter bar, cutter teeth and a blade support seat, and the blade support seat is installed at one end of the cutter bar. , the blade supporting seat is provided with a reference step surface, a first step surface and a second step surface sequentially from the end of the tool bar to the tip of the knife, and the reference step surface, the first step surface and the second step surface are all provided with Five described cutter teeth, the five described cutter teeth have the same structure, and the five described cutter teeth of each layer are distributed equiangularly to the center line of the cutter bar, and the connecting line of the cutting edge profile line of the described cutter teeth is The fir tree-shaped arc surface of the workpiece to be processed matches and is a helical line; processing the fir tree-shaped arc tenon with the forming milling cutter does not require multiple clamping, and the joint rotation of the tenon, machine tool turntable and forming milling cutter can avoid machining overcut , to solve the problems of low processing efficiency, low product qualification rate and high tool cost of the existing fir tree arc tenon.

The invention discloses a set of pulling opening collecting tube support groove equipment. The collecting tube support groove equipment comprises a worktable, an upright post, a power device, a fine-tuning device and a cutter disk; a plurality of parallel installation rails are arranged on the worktable, a group of supporting seats is arranged at two ends of the worktable, a cambered surface matched with the side radian of the collecting tube is arranged at the inner side of the supporting seat; the upright post is fixed at one side of the worktable, and comprises a backer and a walking beam, the rail is arranged on the side of the backer, the walking beam is matched with the rail and slidingly installed on the backer; a waste shaping machine is improved to obtain the new equipment, the equipment is used for performing the groove processing on the collecting tube, the cost is saved, and the product quality is improved.

The invention relates to a dovetail type indexing and self-centering device based on radial boring of a special-shaped ring member. The device comprises a dovetail type stepless indexing mechanism, anautomatic centering and clamping mechanism, a tool setting mechanism and a pressing mechanism; the automatic centering clamping mechanism and the pressing mechanism are used for positioning and clamping a part. The dovetail type indexing mechanism comprises a base, a rotary disc, a lead screw nut, an indexing lead screw, a sleeve and a hand wheel assembly; the base is a dovetail type female die,the rotary disc is a dovetail type male die, the base and the rotary disc form an arc-shaped sliding rail pair, the rotary disc rotates on the base through the indexing lead screw, and the rotating angle is controlled through a positioning plug pin assembly and an indexing hole in the base. According to the invention, the machining problem of the special-shaped ring member is solved, the part position and size precision requirements are met, and the working efficiency is improved; meanwhile, the defect that the indexing center must be located at the arc center during large-diameter indexing isovercome, the size of the corresponding tool is reduced, the manufacturing cost of the tool is reduced, the manufacturing period of the tool is shortened, and the tool has very high reference significance for similar parts and has very good generalization performance.