Linear guide rail pitch detection device

Abstract

The utility model relates to the technical field of pitch detection, and particularly discloses a linear guide rail pitch detection device which comprises a base and a positioning mechanism, a first sliding rail is arranged at the upper end of the base, stand columns are arranged at the two ends of the first sliding rail, and a graduated scale is arranged between the two stand columns. The positioning mechanism comprises a positioning rod and a first sliding block matched with the first sliding rail, the upper end of the first sliding block is connected with a supporting block, the positioning rod is in vertical sliding fit with the supporting block, the lower end of the positioning rod is provided with a positioning cone matched with a linear guide rail installation hole, and the upper end of the first sliding block is connected with an indicating rod. The indicating rod is tightly attached to the graduated scale, the side wall of the indicating rod is provided with indicating lines used for indicating scales, and the indicating lines correspond to the front and back positions of the center line of the positioning cone. According to the utility model, the automatic centering of the mounting hole during detection is realized, the accuracy of the detection position is ensured, the detection precision is improved, the detection mode is simple, the operation is convenient, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hole spacing detection, in particular to a linear guide rail hole spacing detection device. Background Art

[0002] Linear guide pair is a kind of precision linear guide rolling functional component with the advantages of high load-bearing capacity, high precision, high speed and low wear. It is now widely used in industries such as CNC machinery, precision machining and automated production.

[0003] There are a large number of mounting holes on the surface of the linear guide rail. The current detection method mainly uses calipers for random inspection. When using calipers for hole spacing detection, it is impossible to accurately locate the hollow, resulting in low measurement accuracy and low measurement efficiency. Utility Model Content

[0004] The utility model aims at the above-mentioned deficiencies in the prior art and provides a linear guide rail hole pitch detection device, which cooperates with the mounting hole on the linear guide rail to be tested through the positioning cone to realize automatic centering of the mounting hole during detection, ensures the accuracy of the detection position, thereby improving the detection accuracy, the detection method is simple, the operation is convenient, and the detection efficiency is improved.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A linear guide hole spacing detection device includes a base and a positioning mechanism, wherein the upper end of the base is provided with a first slide rail, both ends of the first slide rail are provided with columns, a scale is provided between the two columns, the positioning mechanism includes a positioning rod and a first slider matched with the first slide rail, the upper end of the first slider is connected to a support block, the positioning rod and the support block are vertically slidably matched, the lower end of the positioning rod is provided with a positioning cone matched with the linear guide mounting hole, the upper end of the first slider is connected to an indicator rod, the indicator rod is tightly attached to the scale, and an indicator line for indicating the scale is provided on the side wall of the indicator rod, and the indicator line corresponds to the front and rear position of the center line of the positioning cone.

[0007] Preferably, a leaning rod is provided on one side of the first slide rail.

[0008] Preferably, a supporting frame for supporting the indicating rod is provided at the upper end of the first sliding block.

[0009] Preferably, a second slide block is provided at the upper end of the first slide block, and a second slide rail cooperating with the second slide block is connected to the lower end of the support block.

[0010] Preferably, a limiting rod is provided at one end of the second sliding block.

[0011] Preferably, a third sliding block is provided on the side wall of the support block, and a third sliding rail cooperating with the third sliding block is connected to the side wall of the positioning rod.

[0012] Preferably, a limit block is provided at the upper end of the third slide rail.

[0013] Preferably, a handle is provided on the side wall of the third slide rail.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model cooperates with the mounting hole on the linear guide to be tested through the positioning cone to realize automatic centering of the mounting hole during detection, ensures the accuracy of the detection position, thereby improving the detection accuracy, the detection method is simple, the operation is convenient, and the detection efficiency is improved.

[0016] 2. The utility model realizes the adjustment of the front and rear, left and right, and up and down positions of the positioning rod through three sets of linear slider modules, so that linear guide rails of different sizes can be detected, thereby improving versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is the front view of the utility model;

[0019] Figure 3 It is a top view of the utility model;

[0020] Figure 4 is a structural schematic diagram of the positioning mechanism;

[0021] In the figure: 1-base; 101-lean bar; 102-column; 2-first slide rail; 3-scale; 4-positioning mechanism; 401-first slider; 402-limiting rod; 403-second slide rail; 404-support frame; 405-indicator rod; 406-indicator line; 407-support block; 408-third slider; 409-limiting block; 410-handle; 411-third slide rail; 412-positioning rod; 413-positioning cone; 414-second slider; 5-linear guide to be measured. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-3As shown, a linear guide hole distance detection device includes a base 1 and a positioning mechanism 4. The upper end of the base 1 is provided with a first slide rail 2. Both ends of the first slide rail 2 are provided with columns 102. A scale 3 is provided between the two columns 102. The number of the positioning mechanisms 4 is two. Figure 4 As shown, the positioning mechanism 4 includes a positioning rod 412 and a first slider 401 that cooperates with the first slide rail 2, the upper end of the first slider 401 is connected to a support block 407, the positioning rod 412 and the support block 407 are vertically slidably matched, the height of the positioning rod 412 can be adjusted at will, the lower end of the positioning rod 412 is provided with a positioning cone 413 that cooperates with the mounting hole of the linear guide rail, the upper end of the first slider 401 is connected to an indicating rod 405, the indicating rod 405 is tightly attached to the scale 3, the indicating rod 405 slides left and right along the scale 3, and the side wall of the indicating rod 405 is provided with an indicating line 406 for indicating the scale, the indicating line 406 corresponds to the front and rear position of the center line of the positioning cone 413, and the scale of the positioning cone 413 is read through the indicating line 406.

[0024] A leaning rod 101 is provided on one side of the first slide rail 2 . The leaning rod 101 is parallel to the first slide rail 2 , and the linear guide rail 5 to be tested leans against one side of the leaning rod 101 .

[0025] The upper end of the first slider 401 is provided with a support frame 404 supporting the indicating rod 405. The upper end of the first slider 401 is provided with a second slider 414, and the lower end of the supporting block 407 is connected with a second slide rail 403 cooperating with the second slider 414, and the second slider 414 and the supporting block 407 are both located in the support frame 404. The cooperation between the second slide rail 403 and the second slider 414 can drive the positioning rod 412 to move forward and backward, so as to measure different linear guides.

[0026] The side wall of the support block 407 is provided with a third slider 408, and the side wall of the positioning rod 412 is connected with a third slide rail 411 that cooperates with the third slider 408. One end of the second slider 414 is provided with a limit rod 402, and the limit rod 402 and the third slide rail 411 are respectively located on both sides of the second slider 414.

[0027] A limit block 409 is disposed at the upper end of the third slide rail 411 , and a handle 410 is disposed on the side wall of the third slide rail 411 , through which the positioning rod 412 can be driven to move up, down, forward, and backward.

[0028] When in use, first, place the linear guide rail 5 to be measured against one side of the leaning rod 101, lift the positioning rod 412 upward and move it forward or backward through the handle 410, insert the positioning cone 413 into the mounting hole of the linear guide rail 5 to be measured, and read the scale values ​​corresponding to the two indicator lines 406. The difference between the two scale values ​​is the spacing between the two mounting holes.

[0029] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A linear guide hole pitch detection device, characterized in that: It includes a base and a positioning mechanism, the upper end of the base is provided with a first slide rail, the two ends of the first slide rail are provided with columns, a scale is provided between the two columns, the positioning mechanism includes a positioning rod and a first slider matched with the first slide rail, the upper end of the first slider is connected with a support block, the positioning rod and the support block are vertically slidably matched, the lower end of the positioning rod is provided with a positioning cone matched with the mounting hole of the linear guide rail, the upper end of the first slider is connected with an indicating rod, the indicating rod is tightly attached to the scale, the side wall of the indicating rod is provided with an indicating line for indicating the scale, and the indicating line corresponds to the front and rear position of the center line of the positioning cone.

2. A linear guide rail hole pitch detection device as claimed in claim 1, characterized in that: A leaning rod is provided on one side of the first slide rail.

3. A linear guide rail hole pitch detection device as claimed in claim 1, characterized in that: A supporting frame for supporting the indicating rod is disposed at the upper end of the first sliding block.

4. A linear guide rail hole pitch detection device as claimed in claim 1, characterized in that: The upper end of the first sliding block is provided with a second sliding block, and the lower end of the supporting block is connected with a second sliding rail matched with the second sliding block.

5. A linear guide rail hole pitch detection device as claimed in claim 4, characterized in that: A limiting rod is provided at one end of the second sliding block.

6. A linear guide rail hole pitch detection device as claimed in claim 4, characterized in that: A third sliding block is arranged on the side wall of the support block, and a third sliding rail cooperating with the third sliding block is connected to the side wall of the positioning rod.

7. A linear guide rail hole pitch detection device as claimed in claim 6, characterized in that: A limiting block is provided at the upper end of the third slide rail.

8. A linear guide rail hole pitch detection device as claimed in claim 6, characterized in that: A handle is provided on the side wall of the third slide rail.

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