Dial indicator interval calibration device

Abstract

The utility model discloses a dial indicator interval calibration device, which belongs to the technical field of dial indicator calibration and comprises a testing fixture base, a micrometer support frame is arranged on one side in the testing fixture base, a micrometer body is arranged at the upper end of the micrometer support frame, an L-shaped support frame is arranged on one side of the micrometer support frame, and the L-shaped support frame is arranged on the other side of the micrometer support frame. The upper end of the L-shaped supporting frame is provided with a fixed clamping plate, one side of the fixed clamping plate is provided with a dial indicator body, fastening bolts corresponding to the L-shaped supporting frame and the micrometer supporting frame are arranged in the testing fixture base, and an adjusting clamping assembly is arranged in the L-shaped supporting frame; according to the utility model, the micrometer is in butt joint with the dial indicator, and then the dial indicator is calibrated by adjusting the micrometer, so that the reading synchronization of the micrometer and the dial indicator is ensured, the calibration convenience and accuracy of the dial indicator are ensured, the working efficiency is improved, the adjusting and clamping assembly is arranged, the dial indicator can be conveniently clamped and fixed, and the detection efficiency is improved. The working quality is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of dial gauge calibration technology, and particularly relates to a dial gauge interval calibration device. BACKGROUND

[0002] The dial gauge is a table type general length measuring tool made of a precision rack and pinion mechanism. It is usually composed of a measuring head, a measuring rod, a shockproof spring, a rack, a pinion, a hair spring, a circular dial and a pointer.

[0003] The existing dial gauge is inconvenient to calibrate the interval when in use, which affects the use effect of the dial gauge, and the dial gauge is inconvenient to position and install when being calibrated, which wastes human resources, and the positioning effect of the dial gauge is poor, and the stability of the calibration work cannot be guaranteed, CONTENT OF THE UTILITY MODEL

[0004] To solve the problems in the background art, the utility model provides a dial gauge interval calibration device which has the characteristics of convenient installation and high calibration efficiency.

[0005] To achieve the above object, the utility model provides the following technical scheme: a dial gauge interval calibration device, comprising a testing fixture base, a micrometer support frame is arranged on one side in the interior of the testing fixture base, a micrometer body is arranged on the upper end of the micrometer support frame, an L-shaped support frame is arranged on one side of the micrometer support frame, a fixed clamping plate is arranged on the upper end of the L-shaped support frame, a dial gauge body is arranged on one side of the fixed clamping plate, fastening bolts are arranged in the interior of the testing fixture base and correspond to the L-shaped support frame and the micrometer support frame, and an adjusting clamping assembly is arranged in the interior of the L-shaped support frame.

[0006] Preferably, an installation sleeve is arranged on the upper end of the micrometer support frame and corresponds to the micrometer body, and the gap between the testing fixture bases is the same as the width of the micrometer support frame and the L-shaped support frame.

[0007] Preferably, the adjusting clamping assembly comprises a movable clamping plate, a pull rod, a limiting spring and a connecting plate, the pull rod is arranged in the interior of the L-shaped support frame in a penetrating mode, the movable clamping plate is arranged on one end of the pull rod, the connecting plate is arranged on the other end of the pull rod, and the limiting spring is arranged on the surface of one side of the pull rod close to the connecting plate in a sleeving mode.

[0008] Preferably, a threaded groove is arranged in the interior of the pull rod, and a positioning bolt is arranged in the interior of the threaded groove.

[0009] Preferably, an installation hole is arranged on the bottom end of the movable clamping plate and corresponds to the positioning bolt, and the upper end of the movable clamping plate is arranged as an arc-shaped plate and corresponds to the fixed clamping plate.

[0010] Preferably, a damping sliding groove is arranged in the interior of the L-shaped support frame and corresponds to the pull rod, and the pull rod and the connecting plate are of an integrated structure.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、 The utility model discloses a micrometer and a dial gauge are docked and are attached, then calibrate the dial gauge through adjusting the micrometer, ensure that the micrometer and the dial gauge reading are synchronous, guarantee the convenience and accuracy of dial gauge calibration, improve work efficiency.

[0013] 2、 The utility model discloses a setting adjusting and clamping assembly can conveniently clamp and fix the dial gauge, improve detection efficiency, guarantee work quality, can install and position the dial gauge of different specifications simultaneously, improve the applicability of equipment, save manpower resources. DRAWINGS

[0014] Fig. 1 It is the structural schematic diagram of the utility model;

[0015] Fig. 2 It is the adjusting and clamping assembly structural schematic diagram of the utility model.

[0016] In the drawing: 1, dial gauge body;2, fixed clamping plate;3, adjusting and clamping assembly;31, movable clamping plate;32, positioning bolt;33, pull rod;34, limit spring;35, connecting plate;4, L type support frame;5, micrometer body;6, micrometer support frame;7, fastening bolt;8, gauge base. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0018] Please refer to Figs. 1-2 The utility model provides the following technical scheme: a dial gauge interval calibration device, including gauge base 8, the inside one side of gauge base 8 is provided with micrometer support frame 6, the upper end of micrometer support frame 6 is provided with micrometer body 5, one side of micrometer support frame 6 is provided with L type support frame 4, the upper end of L type support frame 4 is provided with fixed clamping plate 2, one side of fixed clamping plate 2 is provided with dial gauge body 1, the inside corresponding L type support frame 4 and micrometer support frame 6 of gauge base 8 is provided with fastening bolt 7, the inside of L type support frame 4 is provided with adjusting and clamping assembly 3.

[0019] Specifically, the upper end of micrometer support frame 6 is provided with a mounting sleeve corresponding to micrometer body 5, and the gap between gauge base 8 is the same as the width of micrometer support frame 6 and L type support frame 4.

[0020] By adopting the above technical scheme, the stability of the installation of the micrometer supporting frame 6 and the L-shaped supporting frame 4 is ensured, the use quality of the equipment is improved, and the accuracy of the calibration of the dial gauge body 1 is ensured.

[0021] Specifically, the adjusting and clamping assembly 3 comprises a movable clamping plate 31, a pull rod 33, a limiting spring 34 and a connecting plate 35, wherein the pull rod 33 is arranged through the inside of the L-shaped supporting frame 4, one end of the pull rod 33 is provided with the movable clamping plate 31, the other end of the pull rod 33 is provided with the connecting plate 35, and the limiting spring 34 is arranged in a sleeved mode on one side surface of the pull rod 33 close to the connecting plate 35.

[0022] By adopting the above technical scheme, when the dial gauge body 1 is installed, the connecting plate 35 is pressed to make the pull rod 33 push the movable clamping plate 31 to move, at the same time, the limiting spring 34 is compressed under force, then the surface of one end of the dial gauge body 1 is attached to the surface of the fixed clamping plate 2, and then the connecting plate 35 is released to make the limiting spring 34 reset, at the same time, the movable clamping plate 31 approaches the fixed clamping plate 2 and clamps and limits the dial gauge body 1.

[0023] Specifically, the inside of the pull rod 33 is provided with a threaded groove, and the inside of the threaded groove is provided with a positioning bolt 32.

[0024] By adopting the above technical scheme, the movable clamping plate 31 can be disassembled and replaced by loosening the positioning bolt 32, and the applicability of the equipment is improved.

[0025] Specifically, the bottom end of the movable clamping plate 31 is provided with a mounting hole corresponding to the positioning bolt 32, and the upper end of the movable clamping plate 31 is provided as an arc-shaped plate corresponding to the fixed clamping plate 2.

[0026] By adopting the above technical scheme, the clamping effect of the movable clamping plate 31 on the dial gauge body 1 is ensured, and the applicability of the equipment is improved.

[0027] Specifically, the inside of the L-shaped supporting frame 4 is provided with a damping sliding groove corresponding to the pull rod 33, and the pull rod 33 and the connecting plate 35 are of an integrated structure.

[0028] By adopting the above technical scheme, the stability of the use of the pull rod 33 is ensured, the use intensity is improved, and the service life of the equipment is ensured.

[0029] In the utility model, the dial gauge body 1 is the existing disclosed technology, and the selected model is BFB-10HQ.

[0030] In the utility model, the micrometer body 5 is the existing disclosed technology, and the selected model is 293-230-30 / IP65 / 0-25mm / 0.001 / ±1μm / with SPC output.

[0031] The utility model discloses a working principle and use flow: the utility model discloses when needing to carry out the calibration work to the dial gauge body 1, first the micrometer body 5 is passed through the mounting sleeve of micrometer support frame 6 upper end and is fixed through bolt, then installs the dial gauge body 1, presses the connecting plate 35 to make the pull rod 33 push the movable clamping plate 31 remove, and the limit spring 34 is compressed under stress, then the one end surface of dial gauge body 1 is pasted on the surface of fixed clamping plate 2, and then the connecting plate 35 is loosened to make the limit spring 34 reset, and the movable clamping plate 31 is close to fixed clamping plate 2 and clamps the dial gauge body 1 and is limited, the one end of dial gauge body 1 and the one end of micrometer body 5 are mutually pasted at this time, then the dial gauge body 1 and micrometer body 5 are returned to zero, and then rotate the ratchet wheel of micrometer body 5 and compare whether the reading of micrometer body 5 and the reading of dial gauge body 1 are accurate, can detect each interval in the full range of dial gauge body 1.

[0032] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dial gauge interval calibration device, comprising a gauge base (8), one side of the inside of the gauge base (8) is provided with a micrometer support frame (6), the upper end of the micrometer support frame (6) is provided with a micrometer body (5), one side of the micrometer support frame (6) is provided with an L-shaped support frame (4), the upper end of the L-shaped support frame (4) is provided with a fixed clamping plate (2), one side of the fixed clamping plate (2) is provided with a dial gauge body (1), the inside of the gauge base (8) is provided with a fastening bolt (7) corresponding to the L-shaped support frame (4) and the micrometer support frame (6), characterized in that: The inside of the L-shaped support frame (4) is provided with an adjusting and clamping assembly (3).

2. A dial gauge interval calibration device according to claim 1, wherein: The upper end of the micrometer support frame (6) is provided with a mounting sleeve corresponding to the micrometer body (5), and the gap between the gauge bases (8) has the same width as the L-shaped support frame (4) and the micrometer support frame (6).

3. The dial gauge interval calibration device according to claim 1, wherein: The adjusting and clamping assembly (3) comprises a movable clamping plate (31), a pull rod (33), a limiting spring (34) and a connecting plate (35), wherein the inside of the L-shaped support frame (4) is provided with the pull rod (33) penetrating through, one end of the pull rod (33) is provided with the movable clamping plate (31), the other end of the pull rod (33) is provided with the connecting plate (35), and the side surface of the pull rod (33) close to the connecting plate (35) is provided with the limiting spring (34) in a sleeved manner.

4. A dial gauge interval calibration device according to claim 3, wherein: The inside of the pull rod (33) is provided with a threaded groove, and the inside of the threaded groove is provided with a positioning bolt (32).

5. A dial gauge interval calibration device according to claim 4, wherein: The bottom end of the movable clamping plate (31) is provided with a mounting hole corresponding to the positioning bolt (32), and the upper end of the movable clamping plate (31) is provided as an arc-shaped plate corresponding to the fixed clamping plate (2).

6. A dial gauge interval calibration device according to claim 3, wherein: The inside of the L-shaped support frame (4) is provided with a damping sliding groove corresponding to the pull rod (33), and the pull rod (33) and the connecting plate (35) are of an integrated structure.

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