CN203509992U - Positioning fixture - Google Patents

Abstract

The utility model discloses a positioning fixture, including the anchor clamps main part, still include a plurality of reference columns, be equipped with in the anchor clamps main part with reference column complex reference column hole, horizontal and longitudinal distribution are followed to the reference column hole. The utility model has the advantages that: the positioning columns with different numbers are utilized, so that products with different shapes can be quickly positioned and measured, and the time for manually and repeatedly aligning the products and the machine table is reduced; in addition, after the positioning column is formed into a shape, the whole batch of products can be repeatedly measured, so that the measurement efficiency is improved; in addition, the direct repeated contact between the product and the machine table is prevented, and the abrasion or damage of the machine table is avoided.

Description

a positioning fixture

【Technical field】

The utility model relates to a positioning fixture.

【Background technique】

At present, when measuring dimensions, because the product’s reference line is not parallel to the machine’s measurement comparison line, it is necessary to manually adjust the alignment between the product and the axis of the machine during measurement; or when measuring batch products, each measured product needs to be Establish a benchmark, if it is not fixed at the same position, it cannot be measured if it is not fixed, and the benchmark must be manually established during measurement, which will affect the measurement efficiency and the stability of product measurement.

【Content of invention】

In order to overcome the deficiencies of the prior art, the utility model provides a positioning fixture to make the positioning more convenient and accurate when measuring products, and the consistency of the measured products is higher.

A positioning fixture includes a fixture main body and a plurality of positioning posts, the fixture main body is provided with positioning post holes that cooperate with the positioning posts, and the positioning post holes are distributed along the transverse direction and the longitudinal direction.

In one embodiment, the clamp main body further includes screw holes, and the clamp main body is further provided with screw holes.

In one embodiment, the clamp body is in the shape of a flat plate.

In one embodiment, the clamp body is transparent.

In one embodiment, the clamp body is plexiglass.

In one embodiment, the thickness of the clamp body is 15±0.03mm.

In one embodiment, the diameter of the positioning post hole is 2.5±0.01mm.

In one embodiment, the distance between adjacent positioning post holes is 30 mm.

In one embodiment, the length of the positioning column is 30mm.

In one embodiment, the screw holes include circular screw holes and oval screw holes.

The beneficial effects of the utility model are: the use of different numbers of positioning columns can realize rapid positioning and measurement of products of different shapes, reducing the time for manual repeated alignment of products and machines; in addition, when the positioning columns form a shape Finally, the entire batch of products can be measured repeatedly, thereby improving the measurement efficiency; in addition, it prevents the product from being in direct and repeated contact with the machine, avoiding the wear or damage of the machine.

【Description of drawings】

Fig. 1 is a schematic diagram of a positioning fixture according to an embodiment of the present invention.

【Detailed ways】

The specific embodiments of the present utility model will be described in further detail below in conjunction with the accompanying drawings.

A positioning fixture 1 includes a fixture main body 11 and a plurality of positioning posts 15. The fixture main body 11 is provided with screw holes and positioning post holes 12 matched with the positioning posts 15. The positioning post holes 12 are arranged along the Distributed horizontally and vertically, the screw holes include circular screw holes 13 and oval screw holes 14 , and the screw holes can be distributed on the edge of the clamp body 11 .

The thickness of the fixture main body 11 can be 15 mm, and its flatness is less than 0.03 mm, that is, the diameter of the positioning post hole 12 can be 2.5 ± 0.01 mm, and there are 10 rows in the horizontal and vertical directions, and the depth of each positioning post hole 12 is 8 mm. Correspondingly, the diameter of the positioning post 15 is 2.5±0.01 mm, the length of the positioning post 15 may be 30 mm, and the distance between adjacent positioning post holes 12 may be 30 mm.

Described fixture main body 11 can be the transparent plexiglass that is flat plate, like this, when needing to fix the fixture on the machine platform, can see the coordinate axis on the machine platform through fixture main body 11, thereby adjust the position of fixture main body 11 , so that the positioning column hole 12 is parallel or perpendicular to the coordinate axis of the machine table, and then the clamp body 11 is fixed on the machine table with nuts passing through the screw holes. Since the circular screw hole 13 and the elliptical screw hole 14 are used at the same time, when there is a movement error between the fixture main body 11 and the machine table, the elliptical screw hole 14 can adapt to this error.

After fixing the fixture body 11 on the main body of the machine, insert the positioning column 15 into the required positioning column hole 12 according to the shape of the product to be measured, and then put the product close to the positioning column 15 to complete the fixing of the product, and then only need Measure dimensions according to drawing requirements. Therefore, by using different numbers of positioning columns 15, it is possible to quickly locate and measure products of different shapes, reducing the time for manually aligning the product with the machine; in addition, when the positioning columns 15 form a shape, they can be The entire batch of products is measured repeatedly, thereby improving the measurement efficiency; in addition, it prevents the product from being in direct and repeated contact with the machine, and avoids the wear or damage of the machine.

Claims (10)

1. a positioning fixture, comprises jig main body, it is characterized in that: also comprise a plurality of locating dowels, described jig main body is provided with the locating dowel hole coordinating with described locating dowel, and described locating dowel hole is along horizontal and vertical distribution.

2. positioning fixture as claimed in claim 1, is characterized in that: on described jig main body, be also provided with screw.

3. positioning fixture as claimed in claim 1, is characterized in that: described jig main body is tabular.

4. positioning fixture as claimed in claim 1, is characterized in that: described jig main body is transparent.

5. positioning fixture as claimed in claim 1, is characterized in that: described jig main body is lucite.

6. positioning fixture as claimed in claim 3, is characterized in that: the thickness of described jig main body is 15 ± 0.03mm.

7. positioning fixture as claimed in claim 3, is characterized in that: the diameter in described locating dowel hole is 2.5 ± 0.01mm.

8. positioning fixture as claimed in claim 3, is characterized in that: the spacing between adjacent locating dowel hole is 30mm.

9. positioning fixture as claimed in claim 1, is characterized in that: the length of described locating dowel is 30mm.

10. positioning fixture as claimed in claim 2, is characterized in that: described screw comprises circular screwhole and ellipse screw.

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