Linear sliding rail grinding method and grinding mechanism thereof

Abstract

The invention discloses a linear sliding rail grinding method and a grinding mechanism thereof. The grinding mechanism comprises a magnetic table arranged on an actuating platform, two vertical-shaft horizontal grinding wheels and a horizontal-shaft vertical grinding wheel, wherein the two vertical-shaft horizontal grinding wheels and the horizontal-shaft vertical grinding wheel are arranged on a saddle type stand unit. The top surface of the magnetic table is provided with a reducing magnetic convex surface which is in a convex state, and the reducing magnetic convex surface is smaller than the width of the end surface of a linear sliding rail; the linear rail is attached and positioned onto the reducing magnetic convex surface through the end surface of the linear sliding rail for performing precise finishing on the guide surface and the assembling attaching surface of a roller; the height of the bottom end surfaces of the two vertical-shaft horizontal grinding wheels is lower than that of the reducing magnetic convex surface but higher than that of the top surface of the magnetic table, so that the vertical-shaft horizontal grinding wheel can grind the corner parts connected between the end surface of the linear sliding rail and the guide surface of the roller. The linear sliding rail grinding method and the grinding mechanism thereof can achieve the aim of simplifying the grinding process of the linear sliding rail, reducing the processing errors and improving the processing quality.

Description

technical field [0001] The invention relates to a manufacturing and forming technology of a linear slide rail; in particular, it relates to a grinding method and a grinding mechanism including a linear slide rail. Background technique [0002] Linear slide rails are very important and indispensable guiding components for various precision processing equipment. The accuracy of linear slide rails is directly related to the operating accuracy and processing quality of precision processing equipment. Therefore, linear slide rails The precision requirements of the slide rail are quite strict in the manufacturing process, and almost every aspect of the slide rail needs to go through a precision grinding process to achieve the industry's preset precision requirements. [0003] In terms of its structural form, the linear slide rail mainly includes four surfaces, namely, an assembly abutment surface, an end surface, and two roller guide surfaces that are symmetrical to each other, an...

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Problems solved by technology

[0005] For the grinding method of the linear slideway, please refer to figure 1 As shown, the precision grinding of the assembly abutment surface 11 of the linear slide rail 10 is usually carried out first, and then the assembly abutment surface 11 is used as the reference surface to be adsorbed downward on the grinding machine table 21, and then the two vertical shafts are horizontally ground wheel 22 and a horizontal shaft type vertical grinding wheel 23 are respectively used for precision grinding of the roller guide surface 12 and the end surface 13 on both sides of the linear slide rail 10; Although it is in a flat state after the precision grinding process, when the precision grinding process of the roller guide surface 12 and the end surface 13 is to be carried out later, it must go through a surface-changing adsorption action so that the end surface 13 faces upwards (i.e. figure 1 As shown), and this process often produces some problems, probably due to the fact that some imperceptible fines often remain on the grinding machine table 21. When it is in the state of downward adsorption on the grinder table 21, the assembly abutment surface 11 is likely to be unable to achieve an ideal comprehensive flat abutting state with the grinder table 21 due to the aforementioned fines problem, and as the processed The longer the length specification of the linear slide rail 10, there may be many parts that cannot be flattened and sealed; another problem is that the grinding of the assembly abutting surface 11 is usually achieved by grinding with a grinding machine, and then through Another grinder completes the grinding of the roller guide surface 12 and the end face 13 on both sides, and there will inevitably be errors in geometric accuracy between the two different grinders; in this way, although the end face 13 is ground A flat surface can be obtained, but when the linear slide rail 10 is assembled as the assembly abutment surface 11 that abuts against the reference surface of the machine, there will be an uneven surface state with an excessive fluctuation error value, which will seriously affect the final product of the linear slide rail 10 precision and quality

[0006] On the other hand, another problem existing in the existing linear slideway manufacturing technology is the shape design of the grinding machine table. This part can also be referred to figure 1 As shown, the grinding machine table 21 of the linear slide rail is set to a form whose width is greater than the width of the linear slide rail 10, but in this way, the bottom end of the vertical shaft type horizontal grinding wheel 22 must be designed to be between the grinding machine table 21. A distance (W) is reserved to prevent the vertical-axis horizontal grinding wheel 22 from rubbing against the grinder table 21, but relatively speaking, it means that the vertical-axis horizontal grinding wheel 22 cannot be ground into the linear slide rail 10 in this state A corner part (as indicated by the arrow L1), and this factor also causes problems and disadvantages that are limited in the grinding process steps of the linear slideway, making it difficult to make further breakthroughs.

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