End arc punching tool
A technology of arc punching and tooling, which is applied to the tooling field of arc punching at the end of pipe fittings, which can solve the problems of slow cutting speed and low production efficiency.
Inactive Publication Date: 2015-04-08
重庆市荣昌区粤兴不锈钢有限公司
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Problems solved by technology
[0002] Pipe fittings such as square pipes and round pipes are commonly used structural parts. For example, square pipes are often used as connection or positioning parts in motorcycle frames. In order to facilitate welding or installation, the ends of square pipes are often processed into concave At present, the arc is processed by cutting along the arc at the end of the square tube step by step. The arc surface after cutting is relatively smooth, but the cutting speed is slow, especially for welding that does not require high roughness. For parts, the production efficiency of cutting arc is low
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[0012] The present invention will be described in detail below in conjunction with the accompanying drawings, as shown in the figure: the end arc punching tool of this embodiment includes a base plate 1 for fixing on the machine tool and a positioning block 2 located on the base plate for clamping workpieces, The positioning block 2 is provided with a vertical tool hole 2a and a horizontal workpiece hole 2b whose axes are perpendicular and intersect. The punching machine fixes the bottom plate 1 through the clamping part 52 on the workbench 51, and requires the tool hole 2a to be directly below the tool 53 on the punching machine, and places the end of the workpiece 6 to be punched into the horizontal workpiece hole 2b to complete the process. The workpiece is positioned and clamped in the circumferential direction. The cutter 53 has an arc-shaped blade corresponding to the arc to be processed. The cutter 53 goes down and enters the vertical tool hole 2a to complete the punchin...
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The invention discloses an end arc punching tool. The end arc punching tool comprises a bottom plate fixed on a machine tool, and a positioning block positioned on the bottom plate and used for clamping a workpiece, wherein a vertical cutter hole and a horizontal workpiece hole of which axes are vertical and intersected with each other are formed in the positioning block. The end part of the workpiece to be punched is put into the horizontal workpiece hole to circumferentially position and clamp the workpiece, and a cutter on a punching machine downwardly enters the vertical cutter hole to punch the end part of the workpiece. The end arc punching tool is specially used for fixing the workpiece so as to punch an arc at the end part of the workpiece.
Description
technical field [0001] The invention relates to a tooling clamp, in particular to a tooling for punching an arc at the end of a pipe. Background technique [0002] Pipe fittings such as square pipes and round pipes are commonly used structural parts. For example, square pipes are often used as connection or positioning parts in motorcycle frames. In order to facilitate welding or installation, the ends of square pipes are often processed into concave At present, the arc is processed by cutting along the arc at the end of the square tube step by step. The arc surface after cutting is relatively smooth, but the cutting speed is slow, especially for welding that does not require high roughness. For parts, the production efficiency of cutting arcs is low. For this reason, the present inventor has invented a kind of method that utilizes punch press to process arc shape, and stamping tool is installed on the upper die of punching machine tool, punches out arc shape at the pipe fi...
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IPC IPC(8): B21D28/04B21D28/02
CPCB21D28/04B21D28/02
Inventor 林浩
Owner 重庆市荣昌区粤兴不锈钢有限公司