Guide rail parallelism adjusting tool

Abstract

The utility model relates to machine tool technical field provides a guide rail parallelism adjustment frock, include: fixed block, connecting component, detection table and detection strip, fixed block is used for with the fixed connection of sliding block on guide rail, connecting component is movably connected with fixed block, detection table is connected with connecting component, detection strip is located between a pair of guide rails, and the side surface of detection table and detection strip abuts to detect the parallelism of guide rail and detection strip. The guide rail parallelism adjustment frock, through fixed block with fixed connection of sliding block, avoided the tremor of fixed block in the moving process of sliding block, improved the efficiency and accuracy when detection table detected, through setting up detection strip between a pair of guide rails, with a guide rail as the reference, after calibrating detection strip, again with detection strip as the reference, calibrates another guide rail, can detect the straightness and parallelism of a pair of guide rails, simplified the operation process, reduced the error source, satisfied the assembly demand of precision machine tool.

Description

Technical Field

[0001] This utility model relates to the field of machine tool technology, and in particular to a guide rail parallelism adjustment fixture. Background Technology

[0002] In the manufacturing and maintenance of machine tools, the parallelism of the guide rails is one of the key factors affecting the overall accuracy and machining quality of the machine tool. Traditional methods for adjusting the parallelism of guide rails usually rely on the operator's technical experience and subjective judgment, and require manual measurement. This method is cumbersome, prone to human error, time-consuming, and inefficient, making it difficult to guarantee the required accuracy.

[0003] To improve adjustment accuracy and efficiency, the industry currently commonly uses a magnetic dial indicator holder attached to a slider, which moves with the slider to detect and adjust the straightness of the guide rail. However, in practical applications, it has been found that the magnetic dial indicator holder is prone to vibration or displacement during movement, leading to unstable dial indicator readings and reduced reading reliability, thus directly affecting the final adjustment accuracy of the guide rail parallelism. Therefore, developing a guide rail parallelism adjustment fixture with stable structure, accurate measurement, and convenient operation has become an urgent technical problem to be solved in this field. Utility Model Content

[0004] This invention provides a guide rail parallelism adjustment fixture to solve the problem of low measurement accuracy in existing adjustment fixtures.

[0005] This utility model provides a guide rail parallelism adjustment fixture, comprising: a fixing block for fixed connection with a slider on the guide rail; a connecting component for movably connecting with the fixing block; a measuring gauge for connection with the connecting component; and a measuring strip for being mounted on the bed of a machine tool and located between a pair of guide rails, wherein the measuring gauge abuts against the side of the measuring strip to detect the parallelism between the guide rail and the measuring strip.

[0006] According to the present invention, a guide rail parallelism adjustment fixture is provided, wherein the connecting assembly includes: a first connecting member, which is movably connected to the fixed block; a second connecting member, which is movably connected to the first connecting member; and a connecting rod, which is movably connected to the second connecting member, and the connecting rod is also connected to the test gauge.

[0007] According to the present invention, a guide rail parallelism adjustment fixture is provided, wherein the fixing block includes: a first fixing part for fixing to the slider; a second fixing part for connecting to the first fixing part and being perpendicular to the guide rail; and a first connecting member for being movably connected to the first fixing part or the second fixing part.

[0008] According to the present invention, a guide rail parallelism adjustment fixture is provided, wherein the connecting assembly further includes a third connecting member and a fourth connecting member; the fixing block is provided with a first groove along its length direction, the third connecting member is embedded in the first groove and can slide along the first groove; the first connecting member is provided with a first strip hole, the length direction of the first strip hole is consistent with the length direction of the first groove, and the fourth connecting member passes through the first strip hole and is threadedly connected to the third connecting member.

[0009] According to the present invention, a guide rail parallelism adjustment fixture is provided, wherein the first groove is a T-shaped groove, the third connecting member is a T-shaped member, and the T-shaped member is adapted to the T-shaped groove.

[0010] According to the present invention, a guide rail parallelism adjustment fixture is provided, wherein the connecting assembly further includes a fifth connector and a sixth connector; the first connector is provided with a second groove, the second groove being perpendicular to the first strip hole, the fifth connector being embedded in the second groove and being able to slide along the second groove; the second connector is provided with a second strip hole, the length direction of the second strip hole being consistent with the length direction of the second groove, and the sixth connector being threaded through the second strip hole and connected to the fifth connector by a thread.

[0011] According to the present invention, a guide rail parallelism adjustment fixture is provided, wherein the second connecting member includes: a first connecting block having a second strip hole; a second connecting block connected to the first connecting block, wherein the distance between the second connecting block and the bed is greater than the distance between the first connecting block and the bed, and the second connecting block is movably connected to the connecting rod.

[0012] According to the present invention, a guide rail parallelism adjustment fixture further includes a first sleeve, which is inserted into the second connecting block, and the connecting rod is inserted into the first sleeve.

[0013] According to the present invention, a guide rail parallelism adjustment fixture further includes a second sleeve, which is inserted into the connecting rod and is perpendicular to the first sleeve. A portion of the measuring gauge is inserted into the second sleeve.

[0014] According to the present invention, a guide rail parallelism adjustment fixture is provided, wherein the detection strip is a rectangular strip, and the flatness and straightness of the rectangular strip are less than or equal to 0.5 μm.

[0015] The guide rail parallelism adjustment fixture provided by this utility model avoids vibration of the fixed block during the movement of the slider by fixing the fixed block to the slider, thereby improving the efficiency and accuracy of the test gauge. By setting a test strip between a pair of guide rails, the straightness and parallelism of a pair of guide rails can be tested by using one guide rail as a reference, calibrating the test strip, and then using the test strip as a reference to calibrate the other guide rail. This simplifies the operation process, reduces the sources of error, and meets the assembly requirements of precision machine tools. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the guide rail parallelism adjustment fixture provided by this utility model.

[0018] Figure 2 This is a schematic diagram illustrating the use of the guide rail parallelism adjustment fixture provided by this utility model.

[0019] Figure label: 10. Fixing block; 11. First fixing part; 12. Second fixing part; 13. First groove; 20. First connector; 21. First connecting part; 22. Second connecting part; 23. First strip hole; 24. Second groove; 30. Second connector; 31. First connecting block; 32. Second connecting block; 33. Second strip hole; 34. First connecting hole; 40. Connecting rod; 41. Second connecting hole; 50. First sleeve; 60. Second sleeve; 70. Detection strip; 100. Bed; 101. First guide rail; 102. First slider; 103. Second guide rail; 104. Second slider. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] The following is combined Figure 1 and Figure 2 This invention describes the guide rail parallelism adjustment fixture.

[0022] like Figure 1 and Figure 2 As shown in the embodiment of this utility model, the guide rail parallelism adjustment fixture includes: a fixing block 10, a connecting assembly, a measuring gauge, and a measuring strip 70. The fixing block 10 is used to connect with the slider on the guide rail, the connecting assembly is movably connected to the fixing block 10, the measuring gauge is connected to the connecting assembly, and the measuring strip 70 is used to be set on the bed 100 of the machine tool and located between a pair of guide rails. The measuring gauge abuts against the side of the measuring strip 70 to detect the parallelism between the guide rail and the measuring strip 70.

[0023] Specifically, the machine tool bed 100 is provided with a first guide rail 101 and a second guide rail 103. A first slider 102 is slidably connected to the first guide rail 101, and a second slider 104 is slidably connected to the second guide rail 103. A fixed block 10 is connected to the first slider 102, and when the first slider 102 moves along the first guide rail 101, it can drive the fixed block 10 to move together. A test gauge is connected to the fixed block 10 through a connecting assembly, so that when the first slider 102 moves, it can drive the test gauge to move. A test strip 70 is disposed on the bed 100 and located between the first guide rail 101 and the second guide rail 103.

[0024] During testing, the guide rail is positioned on the machine tool bed 100 according to its vertical edge. The first guide rail 101 and the first slider 102 are installed. A test strip 70 is placed on the bed 100, and its two ends are aligned with the two ends of the first guide rail 101 to ensure its parallelism and straightness. Then, using the test strip 70 as a reference, the straightness and parallelism of the first guide rail 101 are tested. The position and angle of the test gauge are adjusted so that its head abuts against the side of the test strip 70. The first slider 102 is slid, and the test gauge readings are used to align the two ends of the first guide rail 101 with the two ends of the test strip 70, ensuring that the reference points of the first guide rail 101 and the two ends of the test strip 70 are consistent. Slide the first slider 102 and adjust the installation position of the first guide rail 101 according to the fluctuation of the value of the test gauge during the movement until the value of the test gauge stabilizes within the allowable error range. At this time, the straightness of the first guide rail 101 is qualified and the first guide rail 101 is parallel to the test bar 70.

[0025] Keeping the position of the test strip 70 unchanged, install the second guide rail 103 and the second slider 104 on the bed 100. Install the fixing block 10 onto the second slider 104, adjust the position and angle of the test gauge so that the test head of the test gauge abuts against the other side of the test strip 70, slide the second slider 104, and adjust the two ends of the second guide rail 103 to align with the two ends of the test strip 70 according to the value of the test gauge, ensuring that the second guide rail 103 and the two ends of the test strip 70 are consistent with the reference. Slide the second slider 104, and adjust the installation position of the second guide rail 103 according to the value fluctuation of the test gauge during the movement, until the value of the test gauge stabilizes within the allowable error range. At this time, the straightness of the second guide rail 103 is qualified, and the second guide rail 103 is parallel to the test strip 70. Correspondingly, the first guide rail 101 is parallel to the second guide rail 103. In this embodiment, the straightness of the detection strip 70 is first adjusted using one guide rail as a reference. Then, using the detection strip 70 as a reference, the straightness and levelness of a pair of guide rails are finely adjusted to ensure parallelism. Optionally, in this embodiment, the detection gauge can be a dial indicator to improve detection accuracy. The detection strip 70 can be a marble ruler, with a flatness and straightness of less than or equal to 0.5 μm. In this embodiment, the marble ruler has high processing precision; using it as a reference for parallelism detection reduces the error between guide rail parallelism and improves the accuracy of guide rail parallelism.

[0026] Furthermore, by movably connecting the connecting component to the fixing block 10, the connection position between the connecting component and the fixing block 10 can be adjusted according to the distance between the first guide rail 101 or the second guide rail 103 and the detection strip 70, thereby allowing the detection head of the detection meter to abut against the side of the detection strip 70. Optionally, in an embodiment of this utility model, the connecting component may include multiple connectors, which are retractably connected to each other to achieve adjustable distance between the fixing block 10 and the detection meter.

[0027] Furthermore, by fixing the fixed block 10 to the slider, the fixed block 10 can be prevented from vibrating during the movement of the slider, thereby avoiding the vibration of the test meter, which would cause fluctuations in the test results and require multiple measurements, thus improving the efficiency and accuracy of the test meter.

[0028] The guide rail parallelism adjustment fixture provided in this embodiment of the utility model avoids the vibration of the fixed block during the movement of the slider by fixing the fixed block to the slider, thereby improving the efficiency and accuracy of the test gauge. By setting a test strip between a pair of guide rails, and calibrating the test strip with one guide rail as a reference, and then calibrating the other guide rail with the test strip as a reference, the straightness and parallelism of a pair of guide rails can be tested, which simplifies the operation process, reduces the sources of error, and meets the assembly requirements of precision machine tools.

[0029] like Figure 1 As shown, in an embodiment of this utility model, the connecting assembly includes: a first connecting member 20, a second connecting member 30, and a connecting rod 40. The first connecting member 20 is movably connected to the fixing block 10 to adjust the distance between the fixing block 10 and the test gauge, so that the test head of the test gauge can abut against the side of the test strip 70. The second connecting member 30 is movably connected to the first connecting member 20, and can adjust the distance between the test gauge and the first connecting member 20. When the second slider 104 slides to its limit position, the parallelism of the remaining part of the second guide rail 103 can be detected by adjusting the connection position of the second connecting member 30 and the first connecting member 20.

[0030] Optionally, in one embodiment of the present invention, the fixing block 10 is provided with a plurality of first connecting holes along its length direction, and the first connecting member 20 is provided with a plurality of second connecting holes along its length direction. By connecting different first connecting holes with second connecting holes, the first connecting member 20 and the fixing block 10 are movably connected; correspondingly, the movable connection between the second connecting member 30 and the connecting rod 40 can also be in this manner.

[0031] Optionally, in another embodiment of the present invention, the connecting assembly further includes a third connector and a fourth connector. The fixing block 10 has a first groove 13 along its length direction, and the third connector is embedded in the first groove 13 and can slide along the first groove 13. The first connector 20 has a first strip-shaped hole 23, the length direction of which is consistent with the length direction of the first groove 13, and the fourth connector passes through the first strip-shaped hole 23 and is threadedly connected to the third connector.

[0032] Specifically, in this embodiment, the fixing block 10 includes a first fixing part 11 and a second fixing part 12. The first fixing part 11 is fixedly connected to the slider, and the second fixing part 12 is connected to the first fixing part 11, and the second fixing part 12 is perpendicular to the guide rail. A first groove 13 is disposed on the first fixing part 11 and the second fixing part 12. By adjusting the connection position between the first strip hole 23 and the first groove 13, the distance between the first fixing part 11 and the detection gauge can be adjusted. When the machine tool size is large, the distance between the guide rail and the detection strip 70 is greater, and the first connecting member 20 is connected to the second fixing part 12 of the fixing block 10. When the machine tool size is small, the distance between the guide rail and the detection strip 70 is smaller, and the first connecting member 20 is connected to the first fixing part 11 of the fixing block 10.

[0033] Furthermore, in a further embodiment of this utility model, the first groove 13 is a T-shaped groove, and the third connecting member is a T-shaped member, which is adapted to the T-shaped groove. The T-shaped member is embedded in the T-shaped groove and can slide along the T-shaped groove to adjust the connection position between the fixing block 10 and the first connecting member 20. Optionally, the T-shaped member can be a T-shaped nut, and the fourth connecting member can be a bolt. The fourth connecting member is threadedly connected to the third connecting member to connect the first connecting member 20 and the fixing block 10.

[0034] like Figure 1 As shown, in an embodiment of this utility model, the connecting assembly further includes a fifth connector and a sixth connector. The first connector 20 has a second groove 24, which is perpendicular to the first slot 23. The fifth connector is embedded in the second groove 24 and can slide along it. The second connector 30 has a second slot 33, the length direction of which is consistent with the length direction of the second groove 24. The sixth connector passes through the second slot 33 and is threadedly connected to the fifth connector.

[0035] Specifically, the first connecting member 20 includes a first connecting portion 21 and a second connecting portion 22. The second connecting portion 22 is perpendicularly arranged and connected to the first connecting portion 21. The first connecting portion 21 has a first strip-shaped hole 23, and the second connecting portion 22 has a second groove 24. The second connecting member 30 includes a first connecting block 31 and a second connecting block 32. The second connecting block 32 is connected to the first connecting block 31, and the first connecting block 31 has a second strip-shaped hole 33. The first connecting block 31 is disposed on the second connecting portion 22. A fifth connecting member is embedded in the second groove 24 and can slide along the second groove 24. A sixth connecting member passes through the second strip-shaped hole 33 and is threadedly connected to the fifth connecting member. By adjusting the connection position between the first connecting block 31 and the second connecting portion 22, the distance between the first connecting portion 21 and the measuring instrument can be adjusted. When the parallelism of the second guide rail 103 is tested, if the second slider 104 can no longer slide along the second guide rail 103, the distance between the test gauge and the first connecting part 21 can be increased, so that the test gauge can continue to slide along the side of the test strip 70, thereby allowing the parallelism of the remaining part of the second guide rail 103 to be tested.

[0036] Optionally, the second groove 24 can be a T-shaped groove, and the fifth connector can also be a T-shaped component adapted to the T-shaped groove.

[0037] like Figure 1 As shown, in an embodiment of this utility model, the distance between the second connecting block 32 and the bed 100 is greater than the distance between the first connecting block 31 and the bed 100, and the second connecting block 32 is movably connected to the connecting rod 40.

[0038] Specifically, in this embodiment of the invention, the guide rail parallelism adjustment fixture further includes a first sleeve 50, which passes through the second connecting block 32. A connecting rod 40 passes through the first sleeve 50 and can move up and down relative to the second connecting block 32 to adjust the position of the gauge, so that the gauge's detection head abuts against the side of the detection strip 70. In this embodiment, the bottom surface of the second connecting block 32 is set higher than the bottom surface of the first connecting block 31, allowing the detection head to have a larger adjustment range along the height direction of the detection strip 70.

[0039] like Figure 1 As shown, the guide rail parallelism adjustment fixture also includes a second sleeve 60, which is inserted inside the connecting rod 40. The second sleeve 60 is perpendicular to the first sleeve 50, and part of the test gauge is inserted inside the second sleeve 60.

[0040] Furthermore, the second connecting block 32 is provided with a first connecting hole 34, and the connecting rod 40 is provided with a second connecting hole 41. After the test gauge is installed in place, a bolt passes through the second connecting hole 41 and partially connects with the test gauge to secure it. The connecting rod 40 moves up and down, and after the test head of the test gauge abuts against the side of the test strip 70, a bolt passes through the first connecting hole 34 and abuts against the connecting rod 40 to secure it.

[0041] The guide rail parallelism adjustment fixture provided in this embodiment of the utility model has a simple structure, is easy to manufacture and install, and has low manufacturing cost. It is suitable for adjusting the parallelism of guide rails of various machine tools, improving the accuracy and stability of machine tools, ensuring the processing quality and service life of machine tools, and reducing production costs. At the same time, the bolt locking method at each connection effectively avoids the change in guide rail accuracy caused by the vibration of the magnetic frame when the copper rod strikes the guide rail, thus improving the assembly accuracy.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A guide rail parallelism adjustment fixture, characterized in that, include: A fixing block is used to fix the slider on the guide rail; The connecting component is movably connected to the fixed block; The test table is connected to the connecting component; A test strip is used to be installed on the bed of a machine tool and located between a pair of guide rails. The test gauge abuts against the side of the test strip to detect the parallelism between the guide rails and the test strip.

2. The guide rail parallelism adjustment fixture according to claim 1, characterized in that, The connection component includes: The first connector is movably connected to the fixed block; The second connector is movably connected to the first connector. A connecting rod is movably connected to the second connecting member, and the connecting rod is also connected to the test gauge.

3. The guide rail parallelism adjustment fixture according to claim 2, characterized in that, The fixing block includes: The first fixing part is used to be fixedly connected to the slider; The second fixing part is connected to the first fixing part and is perpendicular to the guide rail. The first connecting member is movably connected to the first fixing part or the second fixing part.

4. The guide rail parallelism adjustment fixture according to claim 2, characterized in that, The connection assembly further includes a third connector and a fourth connector; The fixing block has a first groove along its length, and the third connector is embedded in the first groove and can slide along the first groove; The first connector has a first strip hole, the length direction of the first strip hole is consistent with the length direction of the first groove, and the fourth connector passes through the first strip hole and is threadedly connected to the third connector.

5. The guide rail parallelism adjustment fixture according to claim 4, characterized in that, The first groove is a T-shaped groove, and the third connector is a T-shaped component, which is adapted to the T-shaped groove.

6. The guide rail parallelism adjustment fixture according to claim 4, characterized in that, The connection assembly further includes a fifth connector and a sixth connector; The first connector is provided with a second groove, which is perpendicular to the first strip hole. The fifth connector is embedded in the second groove and can slide along the second groove. The second connector has a second strip hole, the length direction of which is consistent with the length direction of the second groove. The sixth connector passes through the second strip hole and is threadedly connected to the fifth connector.

7. The guide rail parallelism adjustment fixture according to claim 6, characterized in that, The second connector includes: The first connecting block is provided with the second strip-shaped hole; The second connecting block is connected to the first connecting block, and the distance between the second connecting block and the bed is greater than the distance between the first connecting block and the bed. The second connecting block is movably connected to the connecting rod.

8. The guide rail parallelism adjustment fixture according to claim 7, characterized in that, It also includes a first sleeve, which is inserted into the second connecting block, and the connecting rod is inserted into the first sleeve.

9. The guide rail parallelism adjustment fixture according to claim 8, characterized in that, It also includes a second sleeve, which is inserted inside the connecting rod and is perpendicular to the first sleeve. A portion of the detection gauge is inserted into the second sleeve.

10. The guide rail parallelism adjustment fixture according to claim 1, characterized in that, The detection strip is a rectangular strip, and the flatness and straightness of the rectangular strip are less than or equal to 0.5 μm.

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