A T-shaped groove testing fixture

Abstract

The utility model discloses a kind of T-shaped groove gauges, T-shaped groove includes narrow slot and wide slot being communicated, T-shaped groove gauge includes the first detection part and the second detection part being connected, the first detection part is used to detect the narrow slot of T-shaped groove, and the first detection part has the first detection surface and the second detection surface being set with relative interval, the distance between the first detection surface and the second detection surface corresponds the standard inner diameter of narrow slot;The second detection part is used to detect the wide slot of T-shaped groove, and the second detection part has the third detection surface and the fourth detection surface being set with relative interval, the distance between the third detection surface and the fourth detection surface corresponds the standard inner diameter of wide slot, when inspecting, T-shaped groove gauge is inserted into the T-shaped groove to be measured laterally, whether the actual size of the narrow slot and the wide slot of T-shaped groove meets standard requirement can be quickly, batch determination, so it can improve T-shaped groove size measurement operation efficiency, and it is convenient to carry.

Description

Technical Field

[0001] This utility model relates to the field of testing tools, and in particular to a T-slot inspection tool. Background Technology

[0002] T-slots are widely used in machining, such as on the worktable of CNC machine tools.

[0003] Currently, there are many types of dimensions to control in T-slots. Generally, mechanical gauges (such as plug gauges and caliper gauges) and manual measurement are used to measure each dimension of the T-slot. However, manual measurement is not very stable and is prone to centering deviation. In addition, each dimension needs to be measured individually (such as the width, height, symmetry, and other control dimensions). This measurement operation is inefficient and not suitable for mass production. Utility Model Content

[0004] To address the aforementioned problems, this invention provides a T-slot gauge that improves the efficiency of T-slot dimension measurement and is easy to carry.

[0005] To achieve the above objectives, the technical solution provided by this utility model is as follows:

[0006] This utility model provides a T-slot inspection fixture. The T-slot includes a narrow slot and a wide slot that are connected to each other. The T-slot inspection fixture includes a first inspection part and a second inspection part that are connected to each other. The first inspection part is used to inspect the narrow slot of the T-slot, and the first inspection part has a first inspection surface and a second inspection surface that are set at a relative distance from each other. The distance between the first inspection surface and the second inspection surface corresponds to the standard inner diameter of the narrow slot. The second inspection part is used to inspect the wide slot of the T-slot, and the second inspection part has a third inspection surface and a fourth inspection surface that are set at a relative distance from each other. The distance between the third inspection surface and the fourth inspection surface corresponds to the standard inner diameter of the wide slot.

[0007] Furthermore, the first detection surface, the second detection surface, the third detection surface, and the fourth detection surface are all vertical planes.

[0008] Furthermore, the narrow groove has a one-way upward opening, and the narrow groove and the wide groove are arranged vertically; the first detection part and the second detection part are perpendicular to each other and form two symmetrically arranged stepped surfaces; the stepped surfaces and the bottom surface of the second detection part are both planes away from the bottom surface of the first detection part, and are parallel to each other; the distance between the stepped surfaces and the bottom surface corresponds to the standard groove height of the wide groove.

[0009] Furthermore, the difference between the distance between the first detection surface and the second detection surface and the standard inner diameter of the narrow groove is between 0 and +0.033 mm; and / or, the difference between the distance between the third detection surface and the fourth detection surface and the standard inner diameter of the wide groove is between 0 and +0.033 mm; and / or, the difference between the distance between the step surface and the bottom surface and the standard groove height of the wide groove is between 0 and +0.033 mm.

[0010] Furthermore, a clearance groove is provided on the outer wall of the connection between the first detection unit and the second detection unit.

[0011] Furthermore, the top of the first detection unit is provided with a mounting hole for connecting a detachable connecting rod.

[0012] Furthermore, the mounting hole is a screw hole, and the connecting rod is screwed into the screw hole.

[0013] Furthermore, the edges of the first detection unit and the second detection unit are respectively provided with C-angle or R-angle.

[0014] Furthermore, the first detection part and the second detection part are respectively square and connected to form a T-shaped block; the T-shaped block is a wear-resistant T-shaped block.

[0015] The technical solution provided by this utility model has the following beneficial effects:

[0016] During inspection, the T-slot gauge is inserted laterally into the T-slot to be tested. The distance between the first and second detection surfaces corresponds to the standard inner diameter of the narrow slot, and the distance between the third and fourth detection surfaces corresponds to the standard inner diameter of the wide slot. This allows for rapid and batch determination of whether the actual dimensions of the narrow and wide slots of the T-slot meet the standard requirements, thus quickly verifying whether the T-slot dimensions are qualified. This improves the efficiency of T-slot dimension measurement, and the gauge is lightweight and easy to carry. Attached Figure Description

[0017] Figure 1 The figure shown is a schematic diagram of the operation of the T-slot inspection fixture in the embodiment when inspecting the T-slot of the workbench;

[0018] Figure 2 The diagram shown is a schematic of the T-slot gauge in the embodiment;

[0019] Figure 3 The figure shown is a cross-sectional view of the T-slot gauge in the embodiment. Detailed Implementation

[0020] To further illustrate the various embodiments, the present invention provides accompanying drawings. These drawings are part of the disclosure of the present invention and are mainly used to illustrate the embodiments, and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these drawings, those skilled in the art should be able to understand other possible implementations and the advantages of the present invention. Components in the drawings are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0021] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments.

[0022] Reference Figures 1 to 3 This embodiment provides a T-slot inspection tool for quickly inspecting whether the important control dimensions of several T-slots 1 on the worktable 100 of a CNC machine tool are qualified. The T-slot 1 includes a narrow slot 11 and a wide slot 12 that are connected. The narrow slot 11 has a one-way upward opening 13, and the narrow slot 11 and the wide slot 12 are arranged in an up-down manner.

[0023] The T-slot gauge 2 in this embodiment includes a first detection part 21 and a second detection part 22 connected to each other. The first detection part 21 and the second detection part 22 are respectively square and connected to form a T-shaped block.

[0024] The first detection unit 21 is used to detect the narrow groove 11 of the T-groove 1, and the first detection unit 21 has a first detection surface 211 and a second detection surface 212 with a left and right relative spacing, and the distance L1 between the first detection surface 211 and the second detection surface 212 corresponds to the standard inner diameter of the narrow groove 11.

[0025] The second detection unit 22 is used to detect the wide groove 12 of the T-slot 1, and the second detection unit 22 has a third detection surface 221 and a fourth detection surface 222 arranged with a left and right relative spacing. The distance L2 between the third detection surface 221 and the fourth detection surface 222 corresponds to the standard inner diameter of the wide groove 12.

[0026] In this embodiment, the first detection surface 211, the second detection surface 212, the third detection surface 221 and the fourth detection surface 222 are all vertical planes.

[0027] The first detection section 21 and the second detection section 22 are perpendicular to each other. Of course, the length of the second detection section 22 is greater than the length of the first detection section 21. The first detection section 21 is centrally located on the second detection section 22, thus forming two symmetrically arranged stepped surfaces 24. The bottom surface 23 of the second detection section 22 facing away from the first detection section 21 and the stepped surfaces 24 are both planes, and the two stepped surfaces 24 are parallel to the bottom surface 23 of the second detection section 22. At this time, the distance H between the stepped surface 24 and the bottom surface 23 corresponds to the standard groove height of the wide groove 12.

[0028] According to the standard document GB / T 158-1996, the standard inner diameter of the narrow groove 11, the standard inner diameter of the wide groove 12, and the standard groove height of the wide groove 12 can be obtained. The corresponding T-slot gauge 2 can be machined to ensure that the distance L1 between the first inspection surface 211 and the second inspection surface 212, the distance L2 between the third inspection surface 221 and the fourth inspection surface 222, and the distance H between the step surface 24 and the bottom surface 23 correspond to the important control dimensions of the T-slot 1 specified in the standard document GB / T 158-1996.

[0029] During inspection, the T-slot gauge 2 is inserted laterally into the T-slot 1 to be measured on the workbench. The distance L1 between the first detection surface 211 and the second detection surface 212 corresponds to the standard inner diameter of the narrow slot 11, and the distance L2 between the third detection surface 221 and the fourth detection surface 222 corresponds to the standard inner diameter of the wide slot 12. This allows for quick and batch determination of whether the actual dimensions of the narrow slot 11 and the wide slot 12 of the T-slot 1 meet the standard requirements. This can quickly check whether the dimensions of the T-slot are qualified, thus improving the efficiency of T-slot dimension measurement. At the same time, the gauge is lightweight and easy to carry.

[0030] In addition, the standard groove height of the wide groove 12 is also compared with the distance H between the step surface 24 and the bottom surface 23, which can also quickly determine whether the actual groove height of the wide groove 12 is qualified.

[0031] Of course, in other embodiments, if the wide groove 12 and the narrow groove 11 are arranged up and down, the standard groove height of the wide groove 12 and the narrow groove 11 cannot be inspected by the T-groove gauge 2, but the standard inner diameter of the wide groove 12 and the narrow groove 11 can be inspected.

[0032] In this specific embodiment, the difference between the distance L1 between the first detection surface 211 and the second detection surface 212 and the standard inner diameter of the narrow groove 11 is between 0 and +0.033 mm; the difference between the distance L2 between the third detection surface 221 and the fourth detection surface 222 and the standard inner diameter of the wide groove 12 is between 0 and +0.033 mm; and the difference between the distance H between the step surface 24 and the bottom surface 23 and the standard groove height of the wide groove 12 is between 0 and +0.033 mm. For example, if the standard inner diameter of the narrow groove 11 is 22.000 mm, then L1 is 22.000 + 0.033 mm, and so on.

[0033] If the T-slot gauge 2 can be fully and smoothly inserted into the T-slot 1 without any obvious gaps, and the T-slot gauge 2 does not get stuck during its entire passage through the T-slot 1, then the dimensions of the T-slot 1 can be determined to be within the acceptable range.

[0034] Further preferably, the T-slot gauge 2 is a wear-resistant T-block, such as made of wear-resistant materials like Cr2 steel, to ensure good wear resistance, achieve anti-wear effect, and thus extend its service life.

[0035] Further preferred, such as Figure 2 As shown, the top 25 of the first detection unit 21 is provided with a mounting hole 251, which is used to connect a detachable connecting rod so that it can be disassembled and stored when not in use.

[0036] In this specific embodiment, the mounting hole 251 is a screw hole, and the connecting rod is screwed into the mounting hole 251 so that the inspection personnel can extend the service length of the T-slot gauge 2. This can avoid the inspection personnel bending over to perform T-slot size measurement operations, thereby reducing the workload of the inspection personnel.

[0037] Further preferred, such as Figure 2 and Figure 3 As shown, the outer wall of the connecting part 26 between the first detection part 21 and the second detection part 22 is provided with a clearance groove 261 to prevent the T-slot gauge 2 from interfering with the mechanism during the insertion of the T-slot 1, thereby ensuring that the T-slot gauge 2 can be smoothly and completely inserted into the T-slot 1, while preventing the worktable 100 from being damaged due to mechanical collision.

[0038] Further preferred, such as Figure 3 As shown, the edges of the first detection unit 21 and the second detection unit 22 are respectively provided with C-angle 27, which can also prevent the T-slot gauge 2 from interfering with the mechanism during the insertion of the T-slot 1, and also prevent the worktable 100 from being damaged by mechanical collision.

[0039] Of course, in other embodiments, each edge may also be provided with a radius (R-angle).

[0040] Although the present invention has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that various changes in form and detail may be made to the present invention without departing from the spirit and scope of the present invention as defined in the appended claims, and all such changes shall be within the scope of protection of the present invention.

Claims

1. A T-slot gauge, wherein the T-slot comprises a connected narrow slot and a wide slot, characterized in that: The T-slot gauge includes a first detection section and a second detection section connected together; The first detection unit is used to detect the narrow groove of the T-slot, and the first detection unit has a first detection surface and a second detection surface arranged at a relative distance, the distance between the first detection surface and the second detection surface corresponding to the standard inner diameter of the narrow groove; The second detection unit is used to detect the width of the T-slot, and the second detection unit has a third detection surface and a fourth detection surface arranged at a relative distance, the distance between the third detection surface and the fourth detection surface corresponding to the standard inner diameter of the width of the slot.

2. The T-slot inspection fixture according to claim 1, characterized in that: The first detection surface, the second detection surface, the third detection surface, and the fourth detection surface are all vertical planes.

3. The T-slot inspection fixture according to claim 2, characterized in that: The narrow groove has a one-way upward opening, and the narrow groove and the wide groove are arranged vertically; the first detection part and the second detection part are perpendicular to each other and form two symmetrically arranged stepped surfaces; the stepped surfaces and the bottom surface of the second detection part are both planes away from the bottom surface of the first detection part and are parallel to each other; the distance between the stepped surfaces and the bottom surface corresponds to the standard groove height of the wide groove.

4. The T-slot inspection fixture according to claim 3, characterized in that: The difference between the distance between the first detection surface and the second detection surface and the standard inner diameter of the narrow groove is between 0 and +0.033 mm; and / or, the difference between the distance between the third detection surface and the fourth detection surface and the standard inner diameter of the wide groove is between 0 and +0.033 mm; and / or, the difference between the distance between the step surface and the bottom surface and the standard groove height of the wide groove is between 0 and +0.033 mm.

5. The T-slot inspection fixture according to claim 3, characterized in that: The outer wall of the connection between the first detection unit and the second detection unit is provided with a clearance groove.

6. The T-slot inspection fixture according to any one of claims 1-5, characterized in that: The top of the first detection unit is provided with a mounting hole, which is used to connect a detachable connecting rod.

7. The T-slot inspection fixture according to claim 6, characterized in that: The mounting hole is a screw hole, and the connecting rod is screwed into the screw hole.

8. The T-slot inspection fixture according to any one of claims 1-5, characterized in that: The edges of the first detection unit and the second detection unit are respectively provided with C-angle or R-angle.

9. The T-slot inspection fixture according to any one of claims 1-5, characterized in that: The first detection section and the second detection section are both square in shape and connected to form a T-shaped block; the T-shaped block is a wear-resistant T-shaped block.

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