Multi-face clamping jig for machining bar-shaped sheet metal and machine tool using same
A technology of sheet metal parts and clamping clips, which is applied in the direction of metal processing machinery parts, clamping devices, manufacturing tools, etc., can solve the problem of increased processing input costs, easy movement of strip-shaped sheet metal parts, and increased difficulty in fixture control, etc. question
Active Publication Date: 2017-01-04
FOSHAN PRATIC CNC SCI & TECH
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Problems solved by technology
Therefore, in order to prevent the strip-shaped sheet metal parts from shifting during processing, it is necessary to add fixtures on the machine tool to position the strip-shaped sheet metal parts; but the existing fixtures are single-sided or double-sided limit fixtures. When processing strip sheet metal parts with Z-shaped or L-shaped cross-sections, one of the surfaces of the strip-shaped sheet metal parts cannot be clamped, so the strip-shaped sheet metal parts are prone to movement, resulting in large processing errors. This is a very serious production problem for some precision equipment that requires high machining accuracy
In order to solve this problem, in the existing processing and production, clamps are set on multiple axial surfaces to clamp the strip-shaped sheet metal parts. Although this can prevent the strip-shaped sheet metal parts from moving, the difficulty of controlling the clamps increases, and the processing investment cost also increased
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[0033] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.
[0034] The multi-sided clamping fixture for processing strip-shaped sheet metal parts in this embodiment includes a mounting base 1, a clamping driver 2 and a clamping block 3, such as figure 1 , figure 2 As shown, the clamping driver 2 is installed in the middle of the installation base 1, and the clamping block 3 is connected to the output shaft of the clamping driver 2, which is characterized in that:
[0035] It also includes a workpiece placement beam 4, which is installed on one side of the installation base 1;
[0036] The workpiece placing beam 4 includes an L-shaped placing portion 41, which is arranged on the top of the workpiece placing beam 4; The L-shaped push-down post 31 is arranged at one end of the bottom of the clamp block 3 ; the L-shaped push-down post 31 is closely attached t...
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The present invention discloses a multi-face clamping jig for machining a bar-shaped sheet metal and a machine tool using the same. The multi-face clamping jig for machining the bar-shaped sheet metal comprises a mounting base, a clamping driver and a chuck, the clamping driver is mounted on the mounting base and the chuck is connected to the output shaft of the clamping driver. The multi-face clamping jig also comprises a workpiece placing crossbeam disposed on one side of the mounting base. For clamping the bar-shaped sheet metal having a Z-type or L-type cross-section, an L-shaped presser top pillar and an L-shaped placing portion are cooperated with each other so as to simultaneously clamp three faces of the bar-shaped sheet metal and the bar-shaped sheet metal is brought into close contact with the L-shaped placing portion so as to prevent the bar-shaped sheet metal from being displaced in the course of processing, greatly reducing rejection rate or failure rate of the bar-shaped sheet metals due to displacement, and improving processing accuracy.
Description
technical field [0001] The invention relates to the field of mechanical manufacturing, in particular to a multi-face clamping fixture for processing strip-shaped sheet metal parts and a machine tool using the same. Background technique [0002] Strip sheet metal parts are the basic parts of various mechanical equipment. In production and processing, it is often necessary to mill and drill strip sheet metal parts to meet the manufacturing requirements of different mechanical equipment. Therefore, in order to prevent the strip-shaped sheet metal parts from shifting during processing, it is necessary to add fixtures on the machine tool to position the strip-shaped sheet metal parts; but the existing fixtures are single-sided or double-sided limit fixtures. When processing strip sheet metal parts with Z-shaped or L-shaped cross-sections, one of the surfaces of the strip-shaped sheet metal parts cannot be clamped, so the strip-shaped sheet metal parts are prone to movement, resul...
Claims
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IPC IPC(8): B23Q3/08
CPCB23Q3/062B23Q3/08B23Q2703/04
Inventor 沈成辉刘世泉
Owner FOSHAN PRATIC CNC SCI & TECH