阅读说明：本技术 一种导轨无侧基面的安装方法 (Installation method of guide rail without side base surface ) 是由 宋海峰 彭朝胜 陈昌彪 于 2021-10-19 设计创作，主要内容包括：本发明公开了一种导轨无侧基面的安装方法,本发明解决了高精度设备导轨无侧安装基准的情况,很好的保证了导轨与切削主轴进给方向的垂直度、两导轨之间的平行度、导轨的直线度,以及导轨与传动丝杆的平行度问题,对修复高精度设备具有一定实际意义。(The invention discloses a method for installing a guide rail without a side base surface, which solves the problem that the guide rail of high-precision equipment has no side installation reference, well ensures the perpendicularity of the guide rail and the feeding direction of a cutting spindle, the parallelism between two guide rails, the straightness of the guide rail and the parallelism between the guide rail and a transmission screw rod, and has certain practical significance for repairing the high-precision equipment.)

1. A method for installing a guide rail without a side base surface is characterized in that: the method comprises the following steps:

1) processing a plurality of reference blocks (301) and clamping blocks 302, wherein the parallelism tolerance of the front end surface and the rear end surface of each reference block (301) is within 0.002mm, the perpendicularity tolerance of the side end surface (B) of each reference block (301) and the front end surface and the rear end surface is within 0.002mm, and the consistency error of the processing sizes of all the reference blocks (301) is within 0.002 mm;

2) the two guide rails are arranged in parallel along the length direction of a lathe body groove (1) of the machine tool, are arranged on the inner side and the outer side of the lathe body groove (1) and are fixed on the lathe body of the machine tool through screws in a pre-tightening manner;

3) a reference block (301) is placed between the two guide rails, the reference block (301) avoids the installation positions of screws on the two guide rails, the side end surfaces (B) on the two sides of the reference block (301) are in contact with the inner end surfaces (C) of the two guide rails, a clamping block (302) is arranged on the outer side of each guide rail, the clamping blocks (302) are pre-tightened and fixed on the two sides of the reference block (301) through the screws, and the guide rails are clamped between the clamping blocks (302) and the reference block (301);

4) sucking a dial indicator on a cutting spindle in a machine tool, enabling the head of the dial indicator to be in contact with the front end surface (A) of the reference block (301), then locking screws on the two clamping blocks (302) through a torque wrench, and keeping the torque values of the screws on the two clamping blocks (302) consistent;

5) moving a grinding head of the machine tool in the Z-axis direction and driving a dial indicator head to move back and forth along the front end surface (A) of the reference block (301), performing dial calibration on the perpendicularity of the two clamped guide rails and the cutting spindle, and further locking screws on the two guide rails close to one side of the reference block (301) after completing the perpendicularity calibration;

6) setting a reference block (301) after perpendicularity calibration as a zero point, taking the zero point as a reference, measuring deviation values and directions of straightness of the outer guide rail in sections by using a laser interferometer, and marking the deviation values and directions on the outer guide rail; a top seat (3) with a free end is arranged between the two guide rails, one end of the top seat (3) is abutted against the inner wall of a lathe bed groove (1) on the lower side of the inner guide rail, the free end of the top seat (3) is abutted against the measuring section area of the outer guide rail, according to the deviation value and direction of the straightness of the outer guide rail, a dial indicator is matched to adjust the screw locking force of a clamping block (302) above the outer guide rail and the position of the free end of the top seat (3), so that the clamping block (302) at the outer guide rail and the free end of the top seat (3) move oppositely, after the straightness of the measuring section area of the outer guide rail is calibrated, a screw in the measuring section area on the outer guide rail is locked, the moment value of the screw locking is recorded, the straightness calibration of the measuring section is completed, and after the calibration is finished, the straightness of the measuring section is detected again through a laser interferometer;

7) calibrating the straightness of the next section of area of the outer guide rail according to the steps 3) -6) until the whole straightness calibration of the outer guide rail is completed, and after the correctness is ensured, taking the outer guide rail as a reference, conducting parallelism and straightness calibration of the inner guide rail by sucking a dial indicator on a slide block of the outer guide rail to match 301, 302 and a top seat (3), and locking screws on the inner guide rail; and after the calibration is finished, all the reference block (301), the clamping block (302) and the top seat (3) are removed.

2. The method of installing a guide rail without a side base as claimed in claim 1, wherein: the inner guide rail is adjusted in a segmented mode, and the parallelism and the straightness of the inner guide rail are adjusted by locking screws on the clamping blocks (302) in the corresponding segment area on the inner guide rail.

3. The method of installing a guide rail without a side base as claimed in claim 1, wherein: and the two ends of the reference block (301) are provided with first right angles with vertical edges and horizontal edges, and the vertical edges of the first right angles are in contact with the inner end surfaces (C) of the guide rails.

4. The method of installing a guide rail without a side base as claimed in claim 3, wherein: and a second right angle is arranged on the clamping block (302), and after the clamping block (302) is fixed with the reference block (301) through a screw, the second right angle is abutted against the outer end face of the guide rail.

5. The method of installing a guide rail without a side base as claimed in claim 1, wherein: footstock (3) include locating plate (303), first roof (304) and second roof (305), locating plate (303), first roof (304) and second roof (305) are the rectangular plate, last right angle and lower right angle (300) that are equipped with reverse symmetrical arrangement at the both ends of locating plate (303), lower right angle (300) are contradicted on lathe bed recess (1) inner wall of inboard guide rail downside, first roof (304) and second roof (305) parallel arrange in the right angle in, the screw passes second roof (305) and contradicts on first roof (304), first roof (304) are contradicted on interior terminal surface (C) of outside guide rail, first roof (304) form the free end of footstock (3).

The technical field is as follows:

the invention relates to a method for installing a guide rail without a side base surface.

Background art:

the installation parallelism and the self linearity of the guide rail (linear rail) of the machine tool equipment have great influence on the machining precision of the machine tool equipment, a tool is urgently needed under the condition that the guide rail of part of import equipment of an enterprise is maintained and installed without a side base surface, the requirements of the installation parallelism and the linearity of the guide rail and the like are ensured while the operation is convenient, and the method has practical significance on the precision restoration of high-precision equipment.

The invention content is as follows:

the present invention provides a method for mounting a guide rail without a side base surface, which aims to solve the problems of the prior art.

The technical scheme adopted by the invention is as follows:

a method for installing a guide rail without a side base surface comprises the following steps:

1) processing a plurality of reference blocks, wherein the parallelism tolerance of the front end surface and the rear end surface of each reference block is within 0.002mm, the perpendicularity tolerance of the side end surface and the front end surface and the rear end surface of each reference block is within 0.002mm, and the consistency error of the processing sizes of all the reference blocks is within 0.002 mm;

2) the two guide rails are arranged in parallel along the length direction of a groove of a machine tool body, are arranged on the inner side and the outer side of the groove of the machine tool body and are fixed on the machine tool body through screws in a pre-tightening manner;

3) a reference block is placed between the two guide rails, the reference block avoids the installation positions of screws on the two guide rails, the side end surfaces of the two sides of the reference block are in contact with the inner end surfaces of the two guide rails, a clamping block is arranged on the outer side of each guide rail, the clamping blocks are pre-tightened and fixed on the two sides of the reference block through the screws, and the guide rails are clamped between the clamping blocks and the reference block;

4) sucking a dial indicator on a cutting main shaft in a machine tool, enabling the head of the dial indicator to be in contact with the front end face of a reference block, then locking screws on the two clamping blocks through a torque wrench, and keeping the torque values of the screws on the two clamping blocks consistent;

5) moving a grinding head of the machine tool in the Z-axis direction and driving a dial indicator head to vertically move up and down along the front end face of the reference block, performing perpendicularity calibration of the two clamped guide rails and the cutting main shaft, and further pre-tightening screws on the two guide rails close to one side of the reference block after completing the perpendicularity calibration;

6) setting the reference block after the perpendicularity calibration as a zero point, taking the zero point as a reference, measuring deviation values and directions of the straightness of the outer guide rail in sections by using a laser interferometer, and marking the deviation values and the directions on the outer guide rail; arranging a top seat with a free end adjusting part between the two guide rails, wherein one end of the top seat is abutted against the inner wall of the groove of the machine body on the lower side of the inner guide rail, the free end adjusting part of the top seat is abutted against the measuring section area of the outer guide rail, and the screw locking force of a clamping block above the outer guide rail and the position of the free end of the top seat are adjusted by matching with a dial indicator according to the deviation value and the direction of the straightness of the outer guide rail, so that the clamping block at the outer guide rail and the free end of the top seat move oppositely, after the straightness of the measuring section area of the outer guide rail is calibrated, the screw in the measuring section area on the outer guide rail is locked, the torque value of the screw locking is recorded, the straightness calibration of the measuring section is completed, and after the calibration is completed, the straightness of the measuring section is detected again through a laser interferometer;

7) calibrating the straightness of the next section of area of the outer guide rail according to the steps 3) -6) until the whole straightness calibration of the outer guide rail is completed, and after the fact that the straightness is correct is ensured, using the outer guide rail as a reference, calibrating the parallelism and the straightness of the inner guide rail by sucking a dial indicator on the outer guide rail, and locking screws on the inner guide rail, wherein when the screws are locked after the outer guide rail and the inner guide rail are calibrated, the locking torque values of all the screws are kept consistent with the recorded torque values; and after the calibration is finished, removing all the reference blocks, the clamping blocks and the top seat.

Furthermore, the inner guide rail is adjusted in a segmented mode, and the parallelism and the straightness of the inner guide rail are adjusted by locking screws on clamping blocks in corresponding segment areas on the inner guide rail.

Furthermore, two ends of the reference block are provided with first right angles with vertical edges and horizontal edges, and the vertical edges of the first right angles are in contact with the inner end faces of the guide rails.

Furthermore, a second right angle is arranged on the clamping block, and after the clamping block is fixed with the reference block through a screw, the second right angle abuts against the outer end face of the guide rail.

Further, the footstock includes locating plate, first roof and second roof, locating plate, first roof and second roof are the rectangular plate, are equipped with reverse symmetrical arrangement's last right angle and lower right angle at the both ends of locating plate, and lower right angle is contradicted on the lathe bed recess inner wall of inside guide rail downside, and in the right angle was arranged in to first roof and second roof looks parallel, the screw passed the second roof and is contradicted on first roof, and first roof is contradicted on the interior terminal surface of outside guide rail, and first roof forms the free end of footstock.

The invention has the following beneficial effects:

the invention solves the problem that the guide rail of high-precision equipment has no side installation reference, well ensures the perpendicularity of the guide rail and the feeding direction of the cutting spindle, the parallelism between the two guide rails, the straightness of the guide rail and the parallelism between the guide rail and the transmission screw rod, and has certain practical significance for repairing the high-precision equipment.

Description of the drawings:

FIG. 1 is a structural diagram of a tool used for installing a guide rail without a side surface.

Fig. 2 is a structural diagram of a reference block in the tool shown in fig. 1.

Fig. 3 is a structural diagram of a clamping block in the tool shown in fig. 1.

Fig. 4 is a structural diagram of the top seat of the tool shown in fig. 1 acting on the guide rail.

Fig. 5 is a structural diagram of a top seat in the tool shown in fig. 1.

The specific implementation mode is as follows:

the invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 5, the method for mounting a guide rail without a side base surface of the invention comprises the following steps:

1) a plurality of reference blocks 301 are processed, the parallelism tolerance of the front end face and the rear end face of each reference block 301 is within 0.002mm, first right angles with vertical edges and horizontal edges are arranged at the two ends of each reference block 301, the verticality tolerance of the vertical edges of the first right angles and the front end face and the rear end face is within 0.002mm, and the consistency error of the processing size of all the reference blocks 301 is within 0.002 mm.

2) The two guide rails are arranged in parallel along the length direction of a lathe body groove 1 of the machine tool, are arranged on the inner side and the outer side of the lathe body groove 1 and are pre-fastened and fixed on the lathe body of the machine tool through screws (the pre-fastening is fixed, namely, the lock is not locked, and the pre-fastening meaning is the same hereinafter).

3) A reference block 301 is placed between the two guide rails, the reference block 301 avoids the installation positions of screws on the two guide rails, the side end faces B (namely vertical edges of a first right angle) on two sides of the reference block 301 are in contact with the inner end faces C of the two guide rails, a clamping block 302 is arranged on the outer side of each guide rail, a second right angle is arranged on each clamping block 302, and after the clamping blocks 302 are fixed with the reference block 301 through screws, the second right angle is abutted to the outer end faces of the guide rails. The clamping blocks 302 are fixed on two sides of the reference block 301 through screws in a pre-tightening mode, and the guide rails are clamped between the clamping blocks 302 and the reference block 301.

4) The dial indicator is sucked on a cutting spindle in a machine tool, the head of the dial indicator is in contact with the front end surface A of the reference block 301, then the screws on the two clamping blocks 302 are locked through the torque wrench, and the torque values of the screws on the two clamping blocks 302 are kept consistent, wherein the consistency of the torque values is for the consistency of stress.

5) Moving a grinding head of the machine tool in the Z-axis direction and driving a dial indicator head to vertically move up and down along the front end surface A of the reference block 301, performing perpendicularity marking calibration of the two clamped guide rails and the cutting main shaft, and further pre-tightening screws on the two guide rails close to one side of the reference block 301 after completing the perpendicularity calibration;

6) setting the reference block 301 after the perpendicularity calibration as a zero point, taking the zero point as a reference, measuring deviation values and directions of the straightness of the outer guide rail in sections by using a laser interferometer, and marking the deviation values and the directions on the outer guide rail; set up footstock 3 between two guide rails, footstock 3 includes locating plate 303, first roof 304 and second roof 305, locating plate 303, first roof 304 and second roof 305 are the rectangular plate, last right angle and lower right angle 300 that are equipped with reverse symmetrical arrangement at the both ends of locating plate 303, lower right angle 300 contradicts on the lathe bed recess 1 inner wall of inboard guide rail downside, first roof 304 and second roof 305 parallel arrange in the right angle, the screw passes second roof 305 and contradicts on first roof 304, first roof 304 forms the free end of footstock 3, the free end of footstock 3 contradicts in the measurement section region of outside guide rail.

According to the deviation value and the direction of the straightness of the outer guide rail, the screw locking force of the clamping block 302 above the outer guide rail and the position of the free end of the top seat 3 are adjusted by matching with a dial indicator, so that the clamping block 302 at the outer guide rail and the free end of the top seat 3 move oppositely (the clamping block 302 pushes the outer guide rail inwards, and the first top plate 304 pushes the outer guide rail outwards), after the straightness of the measuring section area of the outer guide rail is calibrated, the screw in the measuring section area on the outer guide rail is locked, the torque value of the screw locking is recorded, the straightness calibration of the measuring section is completed, and after the straightness calibration is completed, the laser interferometer is used for detecting the straightness of the measuring section again;

7) and 3) calibrating the straightness of the next section of the outer guide rail according to the steps 3) -6) until the whole straightness calibration of the outer guide rail is completed, and after the outer guide rail is ensured to be correct, using the outer guide rail as a reference, and calibrating the parallelism and the straightness of the inner guide rail by sucking a dial indicator on the outer guide rail, wherein the parallelism and the straightness of the inner guide rail are also adjusted by adopting sectional adjustment by locking screws on the inner clamping blocks 302 of the corresponding section of the inner guide rail. After the adjustment of the sections, the screws in the sections are locked, the locking torque value is consistent with the recorded torque value, the torque value is consistent, the stress of the guide rail is consistent, and after the calibration is completed, all the reference blocks 301, the clamping blocks 302 and the top seat 3 are removed.

8) The installation lead screw adsorbs the percentage table on the slider, the parallel degree of slider calibration lead screw and guide rail is dragged to make a round trip, this moment workstation guide rail and lead screw are tentatively calibrated and are accomplished, the assembly inspection once more, clearance gauge + frock board inspection guide rail slider mounting surface and the difference in height of screw-nut upper surface, two sides are ground or are filled up the flat, the slider face should be higher than the screw-nut upper surface, installation main workstation, little workstation and other annex carry out corresponding correction.

The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.