CN219053639U

CN219053639U - Positioning fixture tool

Info

Publication number: CN219053639U
Application number: CN202223362201.5U
Authority: CN
Inventors: 王志慧; 杨东彪; 魏庆波
Original assignee: Harbin Aircraft Industry Group Co Ltd
Current assignee: Harbin Aircraft Industry Group Co Ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-23
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a positioning fixture tool, and relates to the technical field of machinery. One specific embodiment of the tool comprises: the positioning device comprises two positioning plates (10), a pin shaft (20) and a fixing piece (30); the two positioning plates (10) are in shaft connection through the pin shafts (20), the fixing pieces (30) are respectively arranged at the end parts of the clamp, and the fixing pieces are all located on the same side of the clamp. Simple structure, convenient operation, the clamping is firm, and the location is accurate.

Description

Positioning fixture tool

Technical Field

The utility model relates to the technical field of machinery, in particular to a positioning fixture tool.

Background

The assembly of the aircraft in the aircraft manufacturing industry at present is mainly completed by adopting an assembly fixture, the assembly type frame can ensure that assembled aircraft parts and assembly parts can be accurately and rapidly positioned and clamped, ensure that the assembled aircraft parts and assembly parts have correct geometric shapes and positions, limit the deformation of the assembled aircraft parts in the connecting assembly process, ensure that the geometric shapes and the dimensions of the assembled assembly parts are within a specified tolerance range, and meet the requirements of manufacturing accuracy and coordination accuracy of products, thereby achieving the coordination and interchange of the assembly of the products. In addition, when the assembly type frame is adopted to assemble the aircraft body, the positioning of the aircraft parts is realized by the positioning piece of the aircraft assembly fixture, the connecting structure of the positioning piece of the aircraft assembly fixture is in an angle positioning piece structure, the angles of the positioning pieces of the assembly fixture are different, the boring of the angle positioning piece at the present stage is required to be processed by a reference surface process Kong Zhaozheng on the side surface of the part, the boring process is complex, the turning and aligning times are more, the aligning error in the boring process is larger, the problem of out-of-tolerance after boring the angle positioning piece is outstanding, and the hole site repairing workload after processing the angle positioning piece is increased.

Disclosure of Invention

Through designing a set of positioning fixture frock, can be used to rotatory bore hole, many times alignment error when improving angle positioning piece bore hole, control angle positioning piece spatial position improves angle positioning piece bore hole position welding precision.

To achieve the above object, according to an aspect of the embodiments of the present utility model, there is provided a positioning jig tool, including: two positioning plates 10, a pin shaft 20 and a fixing piece 30; the two positioning plates 10 are connected with each other by the pin shaft 20, the fixing pieces 30 are respectively arranged at the end parts of the clamp, and the fixing pieces are all positioned at the same side of the clamp.

Optionally, the fixing piece 30 further includes a stud 31 and a pressing block 32, the stud 31 is connected with the positioning plate 10, and the pressing block 32 is in threaded connection with the stud 31.

Optionally, the fixing piece 30 further includes a stud 31, a pressing block 32, and a fastening nut 33, where the stud 31 is connected with the locating plate 10, the pressing block 32 is sleeved on the stud 31, the fastening nut 33 is in threaded connection with the stud 31, and the fastening nut is used for fastening the pressing block 32.

Optionally, the stud 31 is a double-ended stud, and the positioning plate 10 is provided with a screw hole adapted to the stud 31.

Optionally, the press block 32 is provided with elongated holes.

Optionally, the opening and closing angle of the clamp is 30-180 degrees.

Optionally, the axis of the pin 20 is coplanar with the upper surface of the positioning plate 10, and the fixing member 30 is disposed on the upper surface.

One embodiment of the above utility model has the following advantages or benefits: the utility model discloses change and mill frock simple structure, convenient operation, the clamping is firm, fixes a position accurately, satisfy the laminating function of product, and work efficiency is high, and the function is strong, can satisfy the clamping and the location of product, promotes the accuracy that the product was chemically milled the district, also can promote to other suitable operating mode of all-in-one or other types of machines, like the chemically milling location of fuselage band plate in certain type of machine.

According to the positioning fixture tool, the rotation center on the positioning plate is limited, the angle intersection point position of the angle positioning piece is controlled, the reference of the rotation axis center is placed on the intersection point of the parts, an operator can be guaranteed to process each hole at one time according to the drawing size in the process of the angle positioning piece, the process calculation and process hole manufacturing errors are reduced, the precision of part processing is improved, and meanwhile the boring difficulty of the angle positioning piece is greatly improved.

Further effects of the above-described non-conventional alternatives are described below in connection with the embodiments.

Drawings

The drawings are included to provide a better understanding of the utility model and are not to be construed as unduly limiting the utility model. Wherein:

FIG. 1 is a schematic structural view of a positioning fixture tool according to an embodiment of the utility model;

FIG. 2 is a state diagram of the use of a positioning fixture tool according to an embodiment of the utility model;

FIG. 3 is a schematic view of the structure of an angular positioning member according to the present novel embodiment of the present application;

reference numerals illustrate:

10-positioning plates, 20-pin shafts, 30-fixing pieces, 31-studs, 32-pressing blocks, 33-fastening nuts and 4-angle positioning pieces.

Detailed Description

Exemplary embodiments of the present utility model will now be described with reference to the accompanying drawings, in which various details of the embodiments of the present utility model are included to facilitate understanding, and are to be considered merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the utility model. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

Fig. 1 is a schematic structural diagram of a positioning fixture according to an embodiment of the present utility model, as shown in fig. 1, a positioning fixture includes: two positioning plates 10, a pin shaft 20 and a fixing piece 30; the two positioning plates 10 are connected by the pin shaft 20 in a shaft manner, the plurality of fixing pieces 30 are respectively arranged at the end parts of the clamp, and the fixing pieces are all positioned at the same side of the clamp.

According to one embodiment of the present disclosure, the fixing member 30 further includes a stud 31, a pressing block 32, the stud 31 is connected with the positioning plate 10, and the pressing block 32 is in threaded connection with the stud 31.

According to one embodiment of the present disclosure, the fixing member 30 further includes a stud 31, a pressing block 32, and a fastening nut 33, the stud 31 is connected with the positioning plate 10, the pressing block 32 is sleeved on the stud 31, the fastening nut 33 is in threaded connection with the stud 31, and the fastening nut is used for fastening the pressing block 32.

According to one embodiment of the present disclosure, the stud 31 is a stud, and the positioning plate 10 is provided with screw holes adapted to the stud 31.

According to one embodiment of the present disclosure, the press block 32 is provided with an elongated hole.

According to one embodiment of the present disclosure, the opening and closing angle of the clamp is 30 ° -180 °.

According to one embodiment of the present disclosure, the axis of the pin 20 is coplanar with the upper surface of the positioning plate 10, and the fixing member 30 is disposed on the upper surface, so as to ensure that the part is completely attached to the tool plate.

Fig. 2 is a use state diagram of a positioning fixture tool according to an embodiment of the present utility model, as shown in fig. 2, a positioning fixture provided in the present disclosure may be used for boring an angle positioning member 4, and mainly includes two rotatable positioning plates 10, and is mainly characterized by a positioning hole with a pin 20; four adjustable pressing blocks 32 are respectively arranged at the four ends of the clamp, and the clamping position can be adjusted according to the position of the product; and is provided with a stud 31 and a tightening nut 33. The rotary positioning tool plate 10 is fixedly connected and rotated through the rotary positioning pin shaft 20, the rotary angle is 30-180 degrees, the machining size of the angle positioning piece 4 is met, the corresponding angle is adjusted according to the angle positioning piece 4, and the parts and the tool plate are guaranteed to be completely attached. After the angle positioning piece 4 is fixed, the axis of the pin shaft 20 is positioned on the plate plane, the rotation axis of the clamp is positioned at the intersection point of the angle positioning piece 4 and the upper surface of the positioning plate 10, and the intersection point position of the positioning surface of the angle positioning piece 4 is determined by measuring the rotation axis of the pin shaft 20, so that processing process holes can be avoided, secondary alignment can be performed, and holes can be directly formed according to the drawing required size.

The above embodiments do not limit the scope of the present utility model. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives can occur depending upon design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. Positioning fixture frock, its characterized in that includes:

the positioning device comprises two positioning plates (10), a pin shaft (20) and a fixing piece (30);

the two positioning plates (10) are in shaft connection through the pin shafts (20), the fixing pieces (30) are respectively arranged at the end parts of the clamp, and the fixing pieces are all located on the same side of the clamp.

2. Tool according to claim 1, wherein the fixing part (30) further comprises a stud (31) and a pressing block (32), the stud (31) is connected with the positioning plate (10), and the pressing block (32) is in threaded connection with the stud (31).

3. Tool according to claim 1, characterized in that the fixing part (30) further comprises a stud (31), a pressing block (32) and a fastening nut (33), the stud (31) is connected with the positioning plate (10), the pressing block (32) is sleeved on the stud (31), the fastening nut (33) is in threaded connection with the stud (31), and the fastening nut is used for fastening the pressing block (32).

4. A tool according to claim 2 or 3, wherein the stud (31) is a double-ended stud, and the locating plate (10) is provided with a screw hole adapted to the stud (31).

5. A tool according to claim 3, wherein the press block (32) is provided with an elongated hole.

6. The tooling of claim 1, wherein the opening and closing angle of the clamp is 30 ° -180 °.

7. Tool according to claim 1, characterized in that the axis of the pin (20) is coplanar with the upper surface of the positioning plate (10), which is provided with the fixing element (30).