CN201637367U - Gauge block fixing support for calibrating three-coordinate measuring machine - Google Patents

Abstract

The utility model relates to a gauge block fixed bolster for calibrating three coordinate measuring machine, mainly used calibrates three coordinate measuring machine. The measuring device comprises a standard gauge block (1) and a base (2), wherein an upright rod (3) is fixed on the base (2), and a through hole (31) is formed in the upright rod (3); a pedestal (4), wherein the pedestal (4) comprises a platform (42), a table leg (41) is fixed on the bottom surface of the platform (42), and the table leg (41) is provided with a through hole (411); the upright rod (3) is connected with the table leg (41) through a screw rod (61) and a nut (6); several module racks (5) are fixed on the platform (42). This structure gage block fixed bolster can once only realize a plurality of space size calibrations, also can compile the measurement program as required and carry out automatic measurement, has improved work efficiency greatly.

Description

Gauge block fixing bracket for calibrating CMM

technical field

The utility model relates to a measuring block fixing bracket for calibrating a three-coordinate measuring machine, which is mainly used in the field of testing and calibration of testing instruments, especially for calibrating a three-coordinate measuring machine.

Background technique

In the prior art, a standard gauge block is generally used to calibrate the three-coordinate measuring machine, and the test value of the standard gauge block is measured by the three-coordinate measuring machine, and then compared with the standard value to calculate the measurement error. When calibrating, it is necessary to measure a gauge block several times in different directions, different angles or random directions. In this way, different gauge blocks need to be tested several times, and the whole work needs to be carried out many times. , the work efficiency is very low.

Contents of the invention

The purpose of this utility model is to provide a measuring block fixing bracket, which overcomes the defects of the existing testing technology, can greatly improve the work efficiency, improve the calibration accuracy, and make the calibration result more scientific and accurate.

The utility model is used for calibrating the measuring block fixing bracket of a three-coordinate measuring machine, which includes a standard measuring block 1, and is characterized in that it also includes a base 2, and a vertical pole 3 is fixed on the base 2, and there is a vertical pole on the vertical pole 3 Through hole 31; a pedestal 4, the pedestal 4 includes a platform 42, a platform foot 41 is fixed on the bottom surface of the platform 42, and the platform foot 41 has a through hole 411; the vertical rod 3 and the platform foot 41 pass through The screw rod 61 is connected with the nut 6; several gauge block frames 5 are fixed on the platform 42.

The above-mentioned gauge block fixing bracket for calibrating the three-coordinate measuring machine, the gauge block frame 5 is a square frame, and there is a gauge block fixing rod 51 on the top edge of the square frame.

In the above-mentioned gauge block fixing bracket used for calibrating a three-coordinate measuring machine, the platform 42 is approximately in the shape of an isosceles triangle.

For the above-mentioned gauge block fixing bracket used for calibrating a three-coordinate measuring machine, the several gauge block frames 5 are symmetrically arranged around the two waists of the platform 42 .

The above-mentioned gauge block fixing bracket for calibrating the three-coordinate measuring machine has eight gauge block racks 5 in total.

The gauge block fixing bracket with the above structure can realize the calibration of multiple spatial dimensions at one time, and can also program the measurement program as required for automatic measurement, which greatly improves the work efficiency. The middle gauge block is firmly fixed on the shelf, which can reduce the measurement error caused by the slight movement of the gauge block, thereby improving the calibration accuracy.

Description of drawings

Fig. 1 is the front view of the fixing bracket of the gauge block used for calibrating the three-coordinate measuring machine of the utility model.

Fig. 2 is a left side view shown in Fig. 1 .

Fig. 3 is a top view of Fig. 1 .

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail:

As shown in Fig. 1, Fig. 2 and Fig. 3, the utility model is used to calibrate the measuring block fixing bracket of a three-coordinate measuring machine, including a standard measuring block 1, a base 2, and a vertical rod 3 is fixed on the base 2, so that There is a through hole 31 on the vertical pole 3; a base 4 is also included, and the base 4 includes a platform 42, and a base 41 is fixed on the bottom surface of the platform 42, and the base 41 has a through hole 411; The through hole 31 and the through hole 411 are screwed with the nut 6 to connect the upright 3 with the stand 41, so that the pedestal 4 can be rotated to any position relative to the upright 3 and fixed at this position On the platform 42, several gauge block frames 5 are fixed, and the gauge block frame 5 can be a square frame, as shown in the figure, there is a gauge block fixed rod 51 on the top edge of the square frame, and this fixed rod 51 can Be screw rod, also can be other fixtures. When the gauge block 1 is placed in the gauge block frame 5, the fixing rod 51 is tightened, and the gauge block 1 is firmly fixed. For one-time realization of multiple spatial dimension calibrations, the platform 42 can be made into an approximately isosceles triangle shape, and the two waists of the platform 42 on the several gauge block frames 5 are arranged symmetrically. There are 5 ten in total. In order to increase the stability of the fixed bracket, a stabilizing block 7 can be added on the base 2 .

When calibrating, according to the calibration requirements, fix the required gauge blocks on the test frame in order from small to large, and obtain the physical dimensions in X, Y, Z and other geometric space directions by changing the direction of the base and the angle of the pedestal. Indication errors in random directions can thus be calibrated. Calibration of multiple spatial dimensions can be realized at one time, and measurement programs can also be programmed for automatic measurement as required.

Claims (5)

1. A gauge block fixing bracket for calibrating a three-coordinate measuring machine, comprising a standard gauge block (1), characterized in that it also includes a base (2), on which a vertical rod (3) is fixed, There are through holes (31) on the vertical rod (3); a pedestal (4), the pedestal (4) includes a platform (42), and a platform foot (41) is fixed on the bottom surface of the platform (42), The stand (41) has a through hole (411); the vertical rod (3) is connected with the stand (41) by a screw (61) and a nut (6); fixed on the platform (42) There are several gauge block racks (5). 2. The measuring block fixing support for calibrating a three-coordinate measuring machine according to claim 1, wherein the measuring block frame (5) is a square frame, and a measuring block is fixed on the top edge of the square frame Rod (51). 3. The gauge block fixing bracket for calibrating a three-coordinate measuring machine according to claim 1 or 2, characterized in that the platform (42) is approximately in the shape of an isosceles triangle. 4. The gauge block fixing bracket for calibrating a three-coordinate measuring machine according to claim 3, characterized in that said several gauge block racks (5) are arranged symmetrically along the two waists of said platform (42). 5. The gauge block fixing bracket for calibrating a three-coordinate measuring machine according to claim 3, characterized in that there are ten gauge block racks (5) in total.

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