Clamp for machining arc surfaces of workpieces and machining method
A processing method and arc-shaped surface technology, applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problems of affecting the unit price of workpieces, obvious tool marks, and high costs, so as to reduce processing costs, ensure surface quality, The effect of high production efficiency
Pending Publication Date: 2021-05-28
SHAZHOU PROFESSIONAL INST OF TECH
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Problems solved by technology
Because the arc surface is not a round hole, it is difficult to clamp on the lathe, and the turning process cannot be performed. The workpiece can only be placed on the machining center for milling and forming. Due to the high purchase and operation and maintenance costs of the machining center, the quality of the workpiece is affected. unit price
[0003] In addition, the milling of the arc surface through the machining center is time-consuming. The processing time of a single product is as long as 7 minutes, and it is difficult to complete mass production in time. Moreover, the tool marks after milling are obvious, and the arc surface is relatively rough. To achieve the ideal finish, grinding and polishing are required, the production cost is high, and it needs to be improved
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[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0025] Such as figure 1 The workpiece 6 shown is a hydraulic pipeline connection flange part on a certain type of construction machinery, which needs to be processed at the arc. The monthly demand for this workpiece is 4000 pieces, the quantity is large, and the processing quality and efficiency are high. .
[0026] see Figure 1~Figure 2 , the embodiment of the present invention includes:
[0027] Such as figure 1 The fixture for processing the arc surface of the workpiece shown includes: a main body 1 and a wor...
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The invention discloses a clamp for machining arc surfaces of workpieces and a machining method. A main body and workpiece clamping assemblies arranged on the main body are included. Each workpiece clamping assembly comprises an elastic clamping sleeve, a taper spreader and a pulling and fixing screw, the workpieces are arranged on the inner side of the main body, and insertion holes pointing to the workpieces are formed in the outer side face of the main body. The elastic clamping sleeves are arranged in the insertion holes and extend into through holes of the workpieces, the taper spreaders are arranged in the elastic clamping sleeves, the pulling and fixing screws are arranged at the outer ends of the elastic clamping sleeves and connected with the taper spreaders, the taper spreaders are pulled outwards to enable the elastic clamping sleeves to expand, and the workpieces are fixed. By means of the mode, according to the clamp for machining the arc surfaces of the workpieces and the machining method, the clamp is installed on a lathe, turning of the arc surfaces of the multiple workpieces is conducted at the same time, the production efficiency is high, the surface quality of the arc surfaces is ensured, and the machining cost is reduced.
Description
technical field [0001] The invention relates to the field of processing fixtures, in particular to a fixture and a processing method for processing the arc surface of a workpiece. Background technique [0002] Some block-shaped workpieces need to process a section of arc surface on one side. Because the arc surface is not a round hole, it is difficult to clamp on the lathe, and the turning process cannot be performed. The workpiece can only be placed on the machining center for milling and forming. Due to the high purchase and operation and maintenance costs of the machining center, the quality of the workpiece is affected. unit price. [0003] In addition, the milling of the arc surface through the machining center is time-consuming. The processing time of a single product is as long as 7 minutes, and it is difficult to complete mass production in time. Moreover, the tool marks after milling are obvious, and the arc surface is relatively rough. To achieve the ideal finish...
Claims
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IPC IPC(8): B23Q3/12
CPCB23Q3/12
Inventor 张福荣
Owner SHAZHOU PROFESSIONAL INST OF TECH