CN108942027B

CN108942027B - Flexible welding fixture for thin-wall cylindrical magnetic material parts

Info

Publication number: CN108942027B
Application number: CN201710367915.XA
Authority: CN
Inventors: 叶建强; 吴楠; 韩宪军; 田晔; 李海东
Original assignee: Xian Flight Automatic Control Research Institute of AVIC
Current assignee: Xian Flight Automatic Control Research Institute of AVIC
Priority date: 2017-05-23
Filing date: 2017-05-23
Publication date: 2020-10-20
Anticipated expiration: 2037-05-23
Also published as: CN108942027A

Abstract

The invention belongs to the technical field of special processing, and discloses a flexible welding fixture for thin-wall cylindrical magnetic material parts, which comprises (1) an inner side clamping layer; (2) a middle ring adjusting layer; (3) an outer support layer I; (4) an outer support layer II; (5) and locking the screw. The device simple structure, the operation of being convenient for has not only played effectual school shape effect, still greatly reduced magnetic material's magnetic property decay, can realize the accurate positioning and the fixing of drum class part, accomplished low in manufacturing cost, application scope wide, processing is simple and efficient, the action is easily realized.

Description

Flexible welding fixture for thin-wall cylindrical magnetic material parts

Technical Field

The invention belongs to the technical field of special machining, and relates to a flexible welding fixture for thin-wall cylindrical magnetic material parts.

Background

Thin wall (within 2 mm) magnetic material assembling process easily produces the deformation, can't obtain satisfied laminating and fastening effect, influences magnetic screen performance, often adopts modes such as aluminium silk binding, wooden stick to press the portion of upwarping to correct, and the operation process degree of difficulty is big, and efficiency is extremely low, and the part is easy to produce on the surface and is drawn a mark and sunken.

Disclosure of Invention

The purpose of the invention is: in order to solve the technical problem, a flexible clamp for avoiding magnetic property reduction and ensuring the attaching degree and cylindricity is designed.

The technical scheme of the invention is as follows: a flexible welding fixture for thin-wall cylindrical magnetic material parts comprises an inner side clamping layer 1, a middle ring adjusting layer 2, an outer side supporting layer I3 and an outer side supporting layer II 4; the device is divided into four sections, each two opposite sections have the same structure and are movably connected to form a circle, each section occupies 1/4 circles, and the two sections are assembled by an inner side clamping layer 1, a middle ring adjusting layer 2 and an outer side supporting layer I3; two sections are pressed from both sides tight layer 1 by the inboard in addition, well circle adjusting layer 2 and outside supporting layer II 4 are constituteed, and fluoroplastics is selected for use to inboard tight layer 1, and aluminum alloy material is selected for use to well circle adjusting layer 2, and supporting layer I3 and outside supporting layer II 4 adopt stainless steel.

The inner clamping layer 1 and the middle ring adjusting layer 2 are assembled together in an interference fit mode.

The inner side clamping layer 1 is of a T-shaped structure, and the middle ring adjusting layer 2 is of a U-shaped structure with a boss matched with the T-shaped boss of the inner side clamping layer 1.

Screw holes are formed in the two ends of the outer supporting layer I3 and the two ends of the outer supporting layer II 4 respectively, and the parts are clamped through the stretching and retracting of screws.

The center line of the outer side supporting layer I3 and the center line of the outer side supporting layer II 4 are provided with a circular groove, the middle ring adjusting layer 2 is provided with a threaded hole and corresponds to the circular groove, and screws at the outer side supporting layer I3 and the outer side supporting layer II 4 play a role in fixing the middle ring adjusting layer 2 and move in the circular groove to realize the adjustment of the middle ring adjusting layer 2.

The outer side supporting layer I3 and the outer side supporting layer II 4 are of arc-shaped guide rail structures and are provided with U-shaped grooves matched with the boss structures of the middle ring adjusting layer 2.

One end of the outer supporting layer I3 and one end of the outer supporting layer II 4 are connected through a pin, and the other end of the outer supporting layer I3 and the other end of the outer supporting layer II are connected through a locking screw 5.

The invention has the advantages and beneficial effects that: the tool is convenient to assemble and weld, ensures that the roundness and the magnetic performance of cylinder magnetic material parts are stable, realizes one-time clamping continuous operation, improves the efficiency by more than three times, and finally realizes the assembling target of easy clamping, deformation prevention, easy welding and magnetic loss prevention.

Drawings

FIG. 1: flexible welding fixture assembly drawing

Wherein 1: an inner clamping layer; 2: a middle ring adjusting layer; 3: an outer support layer I; 4: an outer support layer II; 5: locking screw

FIG. 2: schematic diagram of inner side clamping layer 1 of flexible welding fixture;

FIG. 3: a schematic diagram of a middle ring adjusting layer 2 of the flexible welding fixture;

FIG. 4: the outer supporting layer I3 of the flexible welding fixture is schematically shown;

FIG. 5: the outer supporting layer II 4 of the flexible welding fixture is schematically shown;

FIG. 6: the flexible welding fixture locking screw 5 is schematically shown.

Detailed Description

In order to better implement the invention, the invention is described in detail below with reference to the accompanying drawings of the specification, and reference is made to the accompanying

drawings

1, 2, 3, 4, 5 and 6 of the specification.

As shown in figure 1, the flexible welding fixture for the thin-wall cylindrical magnetic material part comprises an inner clamping layer 1; a middle ring adjusting layer 2; an outer supporting layer I3; the outer supporting layer II 4 is divided into four sections, wherein each two opposite sections are consistent in structure and movably connected to form a circle, each section occupies an 1/4 circle, and the two sections are formed by assembling an inner clamping layer 1, a middle ring adjusting layer 2 and an outer supporting layer I3; the other two sections consist of an inner clamping layer 1, a middle ring adjusting layer 2 and an outer supporting layer II 4, each section adopts a three-layer structure, the outer supporting layer I3 and the outer supporting layer II 4 play a supporting role, the middle ring adjusting layer 2 plays an adjusting role, and the inner clamping layer 1 plays a clamping role; the inner side clamping layer 1 is made of fluoroplastic, the hidden danger that the thin-wall magnetic material is crushed in the fastening and adjusting process can be reliably eliminated, the middle ring adjusting layer 2 is made of aluminum alloy and used for transmitting the adjusting amount of each screw point, the clamping of the inner side clamping layer 1 and the thin-wall magnetic material is guaranteed, the outer side supporting layer I3 and the outer side supporting layer II 4 are made of stainless steel, and the rigidity of the device is guaranteed. The connecting piece is passed through to outside supporting layer I3, II 4 one ends of outside supporting layer and is connected, and the other end passes through locking screw 5 and connects, selects pin junction and 5 alternate connections of locking screw to guarantee that this anchor clamps remain a whole throughout in the use, and it is convenient to adjust, adjusts simply.

As shown in fig. 2 and 3, the inner clamping layer 1 is of a T-shaped structure, the middle ring adjusting layer 2 is of a U-shaped structure with a boss, which is matched with the T-shaped boss of the inner clamping layer 1, and the inner clamping layer 1 and the middle ring adjusting layer 2 are assembled together in an interference fit manner.

As shown in figures 4 and 5, screw holes are respectively formed in two ends of the outer supporting layer I3 and the outer supporting layer II 4, and the parts are clamped through the stretching and retracting of the screws, so that the quantitative adjusting function of the gap is realized.

As shown in fig. 1, 3, 4, 5 outside supporting layer I3, outside supporting layer II 4 is the arc type guide rail structure, be equipped with well circle adjustment layer 2's boss structure complex U type groove, outside supporting layer I3, II 4 central lines departments in outside supporting layer are equipped with back the shape groove, be equipped with the screw hole on the well circle adjustment layer 2 and correspond with returning the shape groove, outside supporting layer I3, the screw of II 4 departments in outside supporting layer plays fixed action and through the regulation of motion in returning the shape groove in order to realize centering circle adjustment layer 2 to well circle adjustment layer 2.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

As shown in figure 1, two opposite locking screws 5 are adjusted to lead the screwing depths to be different, thereby realizing the clamping of parts with different outer diameter sizes.

The invention solves the problem that clamping influences the surface quality and magnetic property of the thin-wall magnetic material in the processing process, and the clamping can play a role in shape correction. During operation, the influence of part deformation on magnetic performance can be basically eliminated only according to specified steps, and the method is rapid and convenient. The clamping can be completed by only one person, continuous operation can be realized by one-time clamping, the working efficiency is directly improved by more than three times, the processing qualification rate reaches 100 percent, and the method can be popularized to the welding processing of all cylindrical thin-wall magnetic materials.

Claims

1. The utility model provides a flexible welding jig for thin wall cylinder class magnetic material part which characterized in that: comprises an inner side clamping layer (1), a middle ring adjusting layer (2), an outer side supporting layer I (3) and an outer side supporting layer II (4); the welding fixture is divided into four sections, each two opposite sections are consistent in structure and movably connected to form a circle, each section occupies an 1/4 circle, and the two sections are assembled by an inner side clamping layer (1), a middle ring adjusting layer (2) and an outer side supporting layer I (3); the other two sections consist of an inner clamping layer (1), a middle ring adjusting layer (2) and an outer supporting layer II (4), wherein the inner clamping layer (1) is made of fluoroplastic, the middle ring adjusting layer (2) is made of aluminum alloy, and the outer supporting layer I (3) and the outer supporting layer II (4) are made of stainless steel; the inner side clamping layer (1) is of a T-shaped structure, and the middle ring adjusting layer (2) is of a U-shaped structure with a boss matched with the T-shaped boss of the inner side clamping layer (1); the outer side supporting layer I (3) and the outer side supporting layer II (4) are of arc-shaped guide rail structures and are provided with U-shaped grooves matched with the boss structures of the middle ring adjusting layer (2); the center line department of outside supporting layer I (3), outside supporting layer II (4) is equipped with back the shape groove, is equipped with the screw hole on well circle adjustment layer (2) and corresponds with back the shape groove, and the screw of outside supporting layer I (3), outside supporting layer II (4) department plays fixed action and through the regulation of moving in order to realize centering ring adjustment layer (2) in returning the shape groove to well circle adjustment layer (2).

2. The flexible welding fixture for thin-walled cylindrical magnetic material parts of claim 1, wherein: the inner side clamping layer (1) and the middle ring adjusting layer (2) are assembled together in an interference fit mode.

3. The flexible welding fixture for thin-walled cylindrical magnetic material parts of claim 1, wherein: screw holes are respectively arranged at the two ends of the outer side supporting layer I (3) and the outer side supporting layer II (4), and the parts are clamped through the stretching and retracting of screws.

4. The flexible welding fixture for thin-walled cylindrical magnetic material parts of claim 1, wherein: one end of the outer side supporting layer I (3) and one end of the outer side supporting layer II (4) are connected through a pin, and the other ends of the outer side supporting layers are connected through a locking screw (5).