Multifunctional precision machining auxiliary jig for aircraft parts

By introducing a disassembly and assembly mechanism into the multi-functional precision machining auxiliary fixture for aircraft components, the problems of wear and breakage of the adjusting screw are solved, enabling individual repair or replacement of the adjusting screw, reducing maintenance costs and resource waste, and improving the convenience and economy of maintenance.

CN223863354UActive Publication Date: 2026-02-03SHENZHEN LI XUAN PRECISION HARDWARE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520334857.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-02-03
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

The adjusting screw of the multi-functional precision machining auxiliary fixture for aircraft components is prone to wear, deformation or breakage due to long-term frequent rotation and high stress. This leads to the need to replace the entire fixture, resulting in resource waste and increased maintenance costs. At the same time, the maintenance process can easily damage other components.

Method used

A disassembly and assembly mechanism was designed, comprising a mounting bracket, mounting rod, limiting plate, slide groove, limiting block, and spring. Through the cooperation of the limiting plate and the push plate, the adjusting screw can be repaired or replaced separately, avoiding damage to other components during the disassembly and maintenance of the overall fixture.

Benefits of technology

This allows for the individual repair or replacement of the adjusting screw, saving resources, reducing maintenance costs and difficulty, avoiding damage to other components, and improving the convenience and economy of maintenance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223863354U_ABST
    Figure CN223863354U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of auxiliary jigs, in particular to an aircraft component multifunctional precision machining auxiliary jig which comprises a clamp body, an adjusting screw rod is in threaded connection with the outer portion of the clamp body, a movable clamp block is movably connected with the outer portion of the clamp body, and a disassembling and assembling mechanism comprises an installation frame, an installation rod, an open hole, a limiting plate, a sliding groove, a limiting block and a spring. The limiting block is moved to move towards the interior of the sliding groove, then the limiting plate is pulled to release the connection between the limiting plate and the open hole, the adjusting screw can be rotated to drive the mounting rod to release the connection with the mounting frame, then the adjusting screw is rotated to release the connection between the adjusting screw and the clamp body, and the adjusting screw can be maintained or replaced. When the adjusting screw goes wrong, the adjusting screw can be independently maintained or replaced, the whole jig assembly does not need to be replaced, resources are saved, meanwhile, due to independent maintenance of the adjusting screw, damage to other parts of the jig in the maintenance process is avoided, and the maintenance cost and the maintenance difficulty are reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to auxiliary jig technical field, especially in aircraft parts multifunctional precision machining auxiliary jig. BACKGROUND

[0002] Aircraft parts multifunctional precision machining auxiliary jig is the auxiliary tool that is designed and manufactured for satisfying aircraft parts high accuracy, complex process processing demand, and clamp is one, has following structure:

[0003] 1, the body of the clamp (main frame): the main structure of the bench clamp, supports and connects other components;

[0004] 2, movable jaw: through the rotation of adjusting screw or handle, realizes with fixed jaw open and shut, clamps or loosens workpiece;

[0005] 3, adjusting screw: through rotating adjusting screw, drives movable jaw to move, realizes the clamping or loosening of workpiece;

[0006] 4, fixed jaw: fixed on the body of the clamp, and movable jaw cooperates and holds workpiece.

[0007] Adjusting screw as the core component of controlling movable jaw movement, because of long-term frequent rotation operation and bearing larger stress, easy to appear wear, deformation even fracture and other faults, once adjusting screw has a problem, usually needs to dismount the whole clamp from processing equipment, if unable to repair, then needs to replace the whole clamp, thereby caused the waste of resources, simultaneously in the maintenance process, easy to cause unnecessary damage to other components, further increased maintenance cost and maintenance difficulty. UTILITY MODEL CONTENTS

[0008] In view of the deficiency of prior art, the utility model provides aircraft parts multifunctional precision machining auxiliary jig, solved because long-term frequent rotation operation and bearing larger stress, easy to appear wear, deformation even fracture and other faults, once adjusting screw has a problem, usually needs to dismount the whole clamp from processing equipment, if unable to repair, then needs to replace the whole clamp, thereby caused the waste of resources, simultaneously in the maintenance process, easy to cause unnecessary damage to other components, further increased maintenance cost and maintenance difficult technical problem.

[0009] To realize above-mentioned purpose, the utility model realizes through following technical scheme:

[0010] The utility model provides an aircraft part multifunctional precision machining auxiliary jig, including the body of tongs, the outside threaded connection of body of tongs has the adjusting screw rod, the outside movable connection of body of tongs has movable tong block, movable tong block corresponds the side of adjusting screw rod and is provided with the dismounting mechanism for adjusting screw rod installation, the dismounting mechanism includes mounting bracket, mounting rod, aperture, limiting plate, sliding slot, limiting block and spring, mounting bracket fixed mounting is outside movable tong block, mounting rod fixed mounting is outside adjusting screw rod, aperture is set up outside mounting rod, limiting plate is slidably connected inside aperture and is used for limiting the position of mounting rod, sliding slot is set up outside limiting plate, limiting block is slidably connected inside sliding slot and is used for limiting the position of limiting plate, one end of spring is set up inside sliding slot and is used for supporting limiting block, the other end of spring is fixedly connected outside limiting block, the end of mounting rod away from adjusting screw rod movable penetrates the outside of mounting bracket to the inside of mounting bracket, and mounting rod, aperture, limiting plate, sliding slot, limiting block and spring are all located inside mounting bracket.

[0011] Preferably: the side of limiting plate corresponding to sliding slot is provided with an outer hole, and a push plate is slidably connected inside the outer hole and arranged on the surface of the limiting plate.

[0012] Preferably: a threaded hole is formed in the outer portion of the limiting block, a bolt is rotatably connected to the outer portion of the push plate, the bolt is threadedly connected to the inside of the threaded hole, a guide hole is formed in the outer portion of the push plate, and the bolt is connected to the threaded hole through the guide hole.

[0013] Preferably: a support shaft is fixedly installed inside the sliding slot, the spring is movably sleeved outside the support shaft, a circular hole is formed in the outer portion of the limiting block, and the limiting block is slidably connected to the outer portion of the support shaft through the circular hole.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] When the adjusting screw rod needs to be repaired, the limiting block is moved to move the limiting block to the inside of the sliding slot, at this time the spring is compressed, then the limiting plate is pulled to disconnect the connection between the limiting plate and the aperture, at this time the adjusting screw rod can be rotated to disconnect the connection between the mounting rod and the mounting bracket driven by the adjusting screw rod, and the adjusting screw rod and the body of tongs are further rotated to disconnect the connection between the adjusting screw rod and the body of tongs, at this time the adjusting screw rod can be repaired or replaced, when the adjusting screw rod has a problem, it can be repaired or replaced alone, without the need to replace the entire jig assembly, saving resources, and the separate repair of the adjusting screw rod avoids damage to other parts of the jig during the repair process, reducing repair costs and repair difficulty.

[0016] Two, the outer hole is arranged on one side of the limiting plate corresponding to the sliding groove and communicates with the inside of the sliding groove, the push plate is slidingly connected in the outer hole, and the movement of the limiting block can be conveniently controlled by pushing the push plate, and meanwhile, the movement range of the limiting block can be limited, the connection between the limiting block and the sliding groove is avoided from being released, and then the excessive movement of the spring is avoided from affecting the elastic property and service life of the spring, and the effect of the whole disassembling mechanism is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following preferred embodiments of the utility model are described in detail below.

[0018] Figure 1 It is a three-dimensional structure diagram of the utility model;

[0019] Figure 2 It is a three-dimensional structure diagram of the utility model Figure 1 It is a structure diagram of the adjusting screw;

[0020] Figure 3 It is a three-dimensional structure diagram of the utility model Figure 2 It is an explosion structure diagram of the mounting rod;

[0021] Figure 4 It is a structure diagram of the limiting block in the utility model Figure 3 It is a structure diagram of the limiting block in the utility model

[0022] Figure 5 It is a structure diagram of the limiting block in the utility model Figure 1 It is an enlarged structure diagram of A in the utility model.

[0023] Legend: 1, jaw body; 2, adjusting screw; 3, movable clamp block; 4, mounting frame; 5, mounting rod; 6, opening; 7, limiting plate; 8, sliding groove; 9, limiting block; 10, spring; 11, outer hole; 12, push plate; 13, threaded hole; 14, bolt; 15, guide hole; 16, supporting shaft; 17, round hole. DETAILED DESCRIPTION

[0024] The aviation component multifunctional precision machining auxiliary jig provided by the embodiment of the application effectively solves the technical problems that due to long-term frequent rotation operation and bearing of large stress, wear, deformation and even fracture faults are prone to occur, once the adjusting screw 2 has a problem, the whole clamp usually needs to be disassembled from the machining equipment, if it cannot be repaired, the whole clamp needs to be replaced, thereby causing waste of resources, and in the maintenance process, unnecessary damage to other components is caused, further increasing the maintenance cost and the technical problem of difficult maintenance.

[0025] EMBODIMENT

[0026] As Figure 1 ,Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown in the technical scheme in the embodiments of the present application, the technical scheme effectively solves the technical problem that due to long-term frequent rotation operation and bearing of large stress, wear, deformation and even fracture faults are prone to occur, once the adjusting screw rod 2 has a problem, the whole clamp usually needs to be disassembled from the machining equipment, if it cannot be repaired, the whole clamp needs to be replaced, thereby causing waste of resources, and in the maintenance process, unnecessary damage to other components is caused, further increasing the maintenance cost and difficulty, and the overall idea is as follows:

[0027] In view of the problems in the prior art, the utility model provides an aircraft part multifunctional precision machining auxiliary jig, including the body of forceps 1, the outside of body of forceps 1 is connected with adjusting screw rod 2, the outside of body of forceps 1 is movably connected with movable forceps block 3, the side of movable forceps block 3 corresponding adjusting screw rod 2 is provided with the dismounting mechanism for adjusting screw rod 2 installation, the dismounting mechanism includes mounting bracket 4, installation rod 5, opening 6, limiting plate 7, sliding slot 8, limiting block 9 and spring 10, mounting bracket 4 is fixedly installed at the outside of movable forceps block 3, installation rod 5 is fixedly installed at the outside of adjusting screw rod 2, opening 6 is set up at the outside of installation rod 5, limiting plate 7 is slidably connected in the inside of opening 6 and is used for limiting the position of installation rod 5, limiting plate 7 is T-shaped, sliding slot 8 is set up at the outside of limiting plate 7, limiting block 9 is slidably connected in the inside of sliding slot 8 and is used for limiting the position of limiting plate 7, one end of spring 10 is set up in the inside of sliding slot 8 and is used for supporting limiting block 9, the other end of spring 10 is fixedly connected at the outside of limiting block 9, the end of installation rod 5 away from adjusting screw rod 2 movably penetrates the outside of mounting bracket 4 to the inside of mounting bracket 4, and installation rod 5, opening 6, limiting plate 7, sliding slot 8, limiting block 9 and spring 10 are all located at the inside of mounting bracket 4.

[0028] The side of limiting plate 7 corresponding sliding slot 8 is provided with outer hole 11, and the inside of outer hole 11 communicates with the inside of sliding slot 8, the inside of outer hole 11 is slidably connected with push plate 12, push plate 12 is arranged on the surface of limiting plate 7, the outside of limiting block 9 is provided with threaded hole 13, the outside of push plate 12 is provided with guide hole 15, and the inside of guide hole 15 is rotatably connected with bolt 14, and bolt 14 is threadedly connected in the inside of threaded hole 13.

[0029] The inside of sliding slot 8 is fixedly installed with support shaft 16, the outside of limiting block 9 is provided with round hole 17, limiting block 9 is slidably connected in the outside of support shaft 16 through round hole 17, and spring 10 movably sleeves support shaft 16.

[0030] Installation rod 5 and mounting bracket 4: installation rod 5 cooperates with mounting bracket 4, realizes the connection between adjusting screw rod 2 and movable forceps block 3, and facilitates the installation and dismounting of adjusting screw rod 2.

[0031] The opening 6 is used for the insertion and sliding of the limiting plate 7, and through the cooperation of the limiting plate 7 and the opening 6, the position of the mounting rod 5 is limited, so as to fix the adjusting screw 2 and ensure the stability thereof during the working process;

[0032] The sliding groove 8, the spring 10 and the limiting block 9: the sliding groove 8 provides the installation space for the limiting block 9 and the spring 10, and through the cooperation of the limiting block 9 and the spring 10, the automatic locking and unlocking of the position of the limiting plate 7 is realized, and the convenience of operation is improved;

[0033] The outer hole 11 and the push plate 12: the outer hole 11 is arranged on the side of the limiting plate 7 corresponding to the sliding groove 8 and communicates with the inside of the sliding groove 8, and the push plate 12 is slidingly connected in the inside of the outer hole 11, and through pushing the push plate 12, the movement of the limiting block 9 can be conveniently controlled, and meanwhile, the movement range of the limiting block 9 can be limited, so as to avoid the disconnection of the limiting block 9 and the sliding groove 8;

[0034] The threaded hole 13, the guide hole 15 and the bolt 14: through rotating the bolt 14, the push plate 12 can be fixed on the limiting block 9, and meanwhile, through the connection between the bolt 14 and the threaded hole 13, the push plate 12 can be disassembled, so as to take out the limiting block 9 from the inside of the sliding groove 8 and replace the spring 10;

[0035] The supporting shaft 16 and the circular hole 17: the supporting shaft 16 provides the guidance for the sliding of the limiting block 9, ensures the stability and accuracy of the movement of the limiting block 9, and meanwhile, the stability of the working of the spring 10 is enhanced.

[0036] Working principle:

[0037] Firstly, when the adjusting screw 2 needs to be repaired, the push plate 12 is moved to drive the limiting block 9 to move to the inside of the sliding groove 8, at this time, the spring 10 is compressed, then the limiting plate 7 is pulled to disconnect the limiting plate 7 and the opening 6, at this time, the adjusting screw 2 can be rotated to disconnect the mounting rod 5 and the mounting frame 4, and then the adjusting screw 2 is continuously rotated to disconnect the adjusting screw 2 and the jaw 1, at this time, the adjusting screw 2 can be repaired or replaced;

[0038] Secondly, after the repair, the mounting rod 5 on the adjusting screw 2 is inserted into the inside of the mounting frame 4, then the limiting block 9 is pressed to enter the inside of the sliding groove 8, at this time, the spring 10 is compressed, at this time, the limiting plate 7 is inserted into the inside of the opening 6, when the limiting block 9 partially enters the inside of the opening 6 and is blocked by the inner wall of the opening 6 and cannot move, at this time, the limiting plate 7 is pushed again until the limiting block 9 moves to the other side of the mounting rod 5 through the opening 6, at this time, the limiting block 9 moves outward under the action of the spring 10, at this time, the limiting plate 7 cannot disconnect the connection with the mounting rod 5 through the opening 6 under the action of the limiting block 9, at this time, the installation of the adjusting screw 2 is completed.

[0039] Finally, it should be noted that: apparently, the above examples are merely for the purpose of clearly illustrating the utility model, and not limited to the implementation. For those of ordinary skill in the art, on the basis of the above description, other different forms of changes or variations can also be made. Here, it is not necessary and impossible to exhaust all the implementation. The obvious changes or variations derived therefrom are still within the scope of protection of the utility model.

Claims

1. A multi-functional precision machining auxiliary fixture for aircraft components, comprising a clamp body (1), wherein an adjusting screw (2) is externally threaded onto the clamp body (1), and a movable clamp block (3) is movably connected to the external side of the clamp body (1), characterized in that, The movable clamp (3) is provided with a disassembly and assembly mechanism for installing the adjusting screw (2) on one side. The disassembly and assembly mechanism includes a mounting bracket (4), a mounting rod (5), an opening (6), a limiting plate (7), a sliding groove (8), a limiting block (9), and a spring (10). The mounting bracket (4) is fixedly installed on the outside of the movable clamp block (3), the mounting rod (5) is fixedly installed on the outside of the adjusting screw (2), the opening (6) is opened on the outside of the mounting rod (5), the limiting plate (7) is slidably connected inside the opening (6) and used to limit the position of the mounting rod (5), the slide groove (8) is opened on the outside of the limiting plate (7), the limiting block (9) is slidably connected inside the slide groove (8) and used to limit the position of the limiting plate (7), one end of the spring (10) is set inside the slide groove (8) and used to support the limiting block (9), and the other end of the spring (10) is fixedly connected to the outside of the limiting block (9); Among them, the end of the mounting rod (5) away from the adjusting screw (2) moves through the outside of the mounting frame (4) to the inside of the mounting frame (4). The mounting rod (5), the opening (6), the limiting plate (7), the slide (8), the limiting block (9) and the spring (10) are all located inside the mounting frame (4).

2. The multi-functional precision machining auxiliary fixture for aircraft components as described in claim 1, characterized in that, The limiting plate (7) has an outer hole (11) on one side corresponding to the slide groove (8), and a push plate (12) is slidably connected inside the outer hole (11); Among them, the push plate (12) is set on the surface of the limiting plate (7).

3. The multi-functional precision machining auxiliary fixture for aircraft components as described in claim 1, characterized in that, The limiting block (9) has a threaded hole (13) on its outside, and the push plate (12) is rotatably connected to a bolt (14). The bolt (14) is threaded inside the threaded hole (13).

4. The multi-functional precision machining auxiliary fixture for aircraft components as described in claim 2, characterized in that, The push plate (12) has a guide hole (15) on its outside; The bolt (14) is connected to the threaded hole (13) through the guide hole (15).

5. The multi-functional precision machining auxiliary fixture for aircraft components as described in claim 1, characterized in that, A support shaft (16) is fixedly installed inside the slide groove (8); The spring (10) is movably sleeved on the outside of the support shaft (16).

6. The multi-functional precision machining auxiliary fixture for aircraft components as described in claim 1, characterized in that, The limiting block (9) has a circular hole (17) on its outside; The limiting block (9) is slidably connected to the outside of the support shaft (16) through the round hole (17).