CN217620205U - Hinge type centering positioning mechanism - Google Patents

Abstract

The utility model discloses a hinge type divides well positioning mechanism, including the support, be provided with the base on the support, be provided with the stopper of center block and symmetrical position in center block both sides on the base, wear to be equipped with the benchmark pole that forms the location benchmark with the product contact on the stopper of every side, be provided with drive assembly on the center block, be provided with drive assembly between the benchmark pole of drive assembly and both sides, through the action of control drive assembly, the benchmark pole of linkage both sides stretches out and withstands the product, realizes fixing a position the product between two parties. Above-mentioned hinge type divides well positioning mechanism only needs the drive assembly at control center can the reference lever flexible of synchronous linkage both sides, makes the part fix a position theoretical central point and puts, simple structure, convenient operation, low cost, location effect is good, the effectual measurement of being convenient for and analysis product.

Description

Hinge type centering positioning mechanism

Technical Field

The utility model relates to a positioning fixture technical field especially relates to a positioning mechanism in hinge type branch.

Background

The product positioning of the inspection tool in the industry at present is generally in a single-side positioning mode, and for parts which are annular or have central holes, only one side of the product can be used as a positioning reference, as shown in fig. 4. However, this method may cause the tolerance of the product to accumulate to the side of the product where the product is not located, and the product cannot be located to the theoretical center position, which results in poor product location effect, and further affects subsequent measurement and product analysis.

SUMMERY OF THE UTILITY MODEL

Based on the problem, the utility model aims to provide a positioning mechanism in hinge type divides realizes simply dividing the product and fixes a position, ensures that the product can fix a position theoretical central point and put.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a hinge type divides well positioning mechanism, includes the support, is provided with the base on the support, is provided with the stopper of center block and symmetrical position in center block both sides on the base, wears to be equipped with on the stopper of every side and forms the benchmark pole of location benchmark with the product contact, is provided with driver part on the center block, is provided with drive assembly between the benchmark pole of driver part and both sides, through the action of control driver part, links the benchmark pole of both sides and stretches out and withstands the product, realizes fixing a position the product between two parties.

Particularly, the transmission assembly comprises a fixed hinge and a movable hinge, two ends of the fixed hinge are connected with the reference rods on two sides through the movable hinge, and the fixed hinge is controlled by the driving part to move up and down and is converted into telescopic motion of the two reference rods.

Particularly, the driving part is a screw, the screw is screwed into the central block, the screwing depth of the screw is adjustable, the middle part of the fixed hinge is sleeved on the screw, a first spring is clamped between the fixed hinge and the end head of the screw, and a second spring is clamped between the fixed hinge and the central block.

Particularly, the central block and the limiting block are protruded on the base, and the base is in a shape of a Chinese character 'shan'.

In particular, the reference rod is provided with a limit pin for controlling the telescopic stroke of the reference rod.

In particular, the limiting block is provided with a locking hole for fixing the position of the reference rod.

To summer up, the beneficial effects of the utility model are that, positioning mechanism only needs control center's drive assembly can the synchronous reference lever that links both sides flexible in the hinge type branch, makes the part fix a position theoretical central point and puts, simple structure, convenient operation, low cost, location effect is good, the effectual measurement and analysis product of being convenient for.

Drawings

Fig. 1 is a schematic structural diagram of a hinge type centering and positioning mechanism provided in an embodiment of the present invention;

fig. 2 is a front view of a hinged centering and positioning mechanism provided by an embodiment of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic diagram of a prior art fixture positioning product.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts throughout, or parts having the same or similar functions. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and can include, for example, fixed or removable connections, mechanical or electrical connections, direct connections, indirect connections through an intermediary, communication between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the drawings.

Referring to fig. 1 to 3, the preferred embodiment provides a hinge-type centering and positioning mechanism, which is suitable for a symmetrical workpiece with a hole, such as a product 13, and includes a bracket 1, a base 2 is disposed on the bracket 1, a central block 3 and limiting blocks 4 symmetrically disposed at two sides of the central block 3 are disposed on the base 2, preferably, the central block 3 and the limiting blocks 4 protrude from the base 2, and the base 2 is in a shape of a Chinese character 'shan' to form an installation cavity and facilitate driving operation, so as to make the structure compact.

The limiting blocks 4 on each side are provided with reference rods 5 which are contacted with the products 13 in a penetrating mode to form positioning reference, the center block 3 is provided with a driving part, a transmission assembly is arranged between the driving part and the reference rods 5 on the two sides, the driving part is controlled to move, the reference rods 5 on the two sides are linked to stretch out to support the products 13, and the products 13 are positioned in the middle.

Specifically, the driving part is a screw rod 6, and the screw rod 6 is screwed into the central block 3 with adjustable screwing depth.

The transmission assembly comprises a fixed hinge 7 and a movable hinge 8, the middle of the fixed hinge 7 is sleeved on the screw rod 6, two ends of the fixed hinge 7 are connected with the reference rods 5 on two sides through the movable hinge 8, and the fixed hinge 7 is controlled by the driving part to move up and down and is converted into telescopic movement of the two reference rods 5.

Furthermore, a first spring 9 is clamped between the fixed hinge 7 and the end of the screw 6 to flexibly drive the fixed hinge 7 to move downwards, and a second spring 10 is clamped between the fixed hinge 7 and the central block 3 to move upwards and reset the fixed hinge 7.

In addition, the reference rod 5 is provided with a limit pin 11 for controlling the telescopic stroke of the reference rod 5, so that the accurate action of the limit pin 11 is ensured.

The limiting block 4 is provided with a locking hole 12 for fixing the position of the reference rod 5, so that the stable positioning state is ensured.

In conclusion, the hinge type centering positioning mechanism can synchronously link the reference rods on the two sides to stretch only by controlling the driving part of the center, so that the parts are positioned to the theoretical center position, and the hinge type centering positioning mechanism is simple in structure, convenient to operate, low in cost, good in positioning effect and convenient for effective measurement and product analysis.

The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a positioning mechanism in hinge type branch, its characterized in that, includes the support, be provided with the base on the support, be provided with the stopper of center block and symmetry position in center block both sides on the base, wear to be equipped with on the stopper of every side and form the benchmark pole of location benchmark with the product contact, be provided with drive assembly on the center block, be provided with drive assembly between the benchmark pole of drive assembly and both sides, through control the drive assembly action, the benchmark pole of linkage both sides stretches out and withstands the product, realizes fixing a position the product between two parties.

2. The hinged centering and positioning mechanism of claim 1, wherein: the transmission assembly comprises a fixed hinge and a movable hinge, two ends of the fixed hinge are connected with the reference rods on two sides through the movable hinge, and the fixed hinge is controlled by the driving part to move up and down and is converted into telescopic motion of the two reference rods.

3. The hinged centering and positioning mechanism of claim 2, wherein: the driving part is a screw rod, the screw rod is screwed into the central block, the screwing depth of the screw rod is adjustable, the middle of the fixed hinge is sleeved on the screw rod, a first spring is clamped between the fixed hinge and the end head of the screw rod, and a second spring is clamped between the fixed hinge and the central block.

4. The hinged centering and positioning mechanism of claim 1, wherein: the central block and the limiting block are protruded on the base, and the base is in a shape like a Chinese character 'shan'.

5. The hinged centering and positioning mechanism of claim 1, wherein: and the reference rod is provided with a limit pin for controlling the telescopic stroke of the reference rod.

6. The hinged centering and positioning mechanism of claim 1, wherein: and the limiting block is provided with a locking hole for fixing the position of the reference rod.

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