CN218695422U

CN218695422U - Welding tool fixture for fixing suspension flange

Info

Publication number: CN218695422U
Application number: CN202222290329.9U
Authority: CN
Inventors: 李子青; 原星; 张军; 王春林; 郜利珍; 王立涛; 宋华东; 陈威先; 孙飞龙; 王平; 霍东旭
Original assignee: Shanxi North Machine Building Co Ltd
Current assignee: Shanxi North Machine Building Co Ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-03-24
Anticipated expiration: 2032-08-30

Abstract

The utility model relates to a welding tool clamp for fixing a suspension flange, belonging to the technical field of machining; the flange positioning and hanging device comprises a positioning tool for positioning the outer contour of a hanging flange and an internal supporting module for positioning and hanging the flange from the inside, and the two modules enable the hanging flange to be clamped stably and reliably. Further, the positioning tool is formed by welding a bottom plate (1) and 4 positioning blocks (2). The inside support module comprises 2 circular arc boards (3) and a plurality of voussoir (4), and the circular arc board is similar cuboid platelike structure, and 1 side is straight face, the appearance and half of 3 side hang flange (5) interior shape phase-match, and the voussoir during operation is located between 2 circular arc board straight faces for support 2 circular arc boards with hang the inside butt of flange. Contrast prior art, the utility model discloses simple structure, the location is accurate, convenient operation utilizes the utility model discloses carry out the batch welding process of hanging the flange, improved production efficiency and welding quality by a wide margin.

Description

Welding tool fixture for fixing suspension flange

Technical Field

The utility model relates to a welding frock clamp, in particular to welding frock clamp for fixing hanging flange belongs to machining technical field.

Background

The suspension flange is one of the important parts on a certain device, and the function of the suspension flange on a product is very important, so that the quality requirement is extremely high. In the processing, 8 single-piece parts are integrally fixed together and welded according to the requirement of finished products. The 8 single-piece parts are respectively 4 arc-shaped parts with the same size and shape of the corners and 4 straight-plate parts with the same size and shape of the middle part, and the whole suspension flange is a welding part similar to a square. The welding process comprises the following steps: preheating to 150 ℃ before welding, welding a groove greatly, wherein the welding seam needs to be penetrated from two sides and is uniform, the defects of air holes, slag inclusion, cracks and the like are not allowed, ultrasonic flaw detection is carried out on all the welding seams after welding, the welding quality requirement is high, machining is carried out after one-time welding is finished, secondary welding is needed after machining is finished, the workpiece needs to be preheated to 150 ℃ during surfacing welding of the secondary welding, and the welding seam quality requirement needs to be met. Because the production batch of the suspension flange is large, the working procedures are multiple in the processing process, the welding quality requirement is high, all single-piece parts are arranged together to form the whole suspension flange, and the position of the suspension flange is kept unchanged in the welding process to be a problem which is urgently needed to be solved and restricts the production efficiency of the suspension flange.

With its processing welding cycle length, lead to production efficiency extremely low, the mill is difficult to satisfy customer's supply cycle to the processing of flange, in view of its processing cycle length and under the big prerequisite in batches, the special design can shorten production cycle, improve production efficiency's welding frock clamp, this anchor clamps can be in the same place 8 monolithic parts of flange are whole to be fixed according to the finished product requirement, as the assembly drawing shows, then begin to weld, compare 2 monolithic parts of once fixing a position and weld together, processing cycle has shortened 8 times, efficiency has improved 8 times, and the location is still very accurate, satisfy the requirement completely.

Disclosure of Invention

The utility model aims at overcoming prior art's defect, in order to solve the quick location problem when hanging flange whole welding, provide a welding frock clamp for fixing and hanging flange.

The purpose of the utility model is realized through the following technical scheme.

A welding tool clamp for fixing a suspension flange comprises a positioning tool for positioning the appearance of the suspension flange and an internal supporting module for positioning the suspension flange from the inside.

Preferably, the positioning tool is formed by welding a bottom plate and 4 positioning blocks, and the inner shapes of the 4 welded positioning blocks are matched with the outer shape of the suspension flange.

Preferably, the internal support module is composed of 2 arc plates and a plurality of wedge blocks, each arc plate is of a cuboid-like plate structure, 1 edge is a straight edge, the appearance of 3 edges is matched with the inner shape of a half suspension flange, and the wedge blocks are located between the 2 arc plates during operation and used for supporting the 2 arc plates to be abutted to the inner portion of the suspension flange.

Preferably, the arc plate is provided with 3 straight edges and 2 arc edges which are contacted with 5 single-piece parts of the suspension flange, and a groove is formed between the adjacent straight edges and the adjacent arc edges to reduce the self weight.

Advantageous effects

Compared with the prior art, the utility model discloses simple structure, the location is accurate, and the clamping is reliable and stable, convenient operation utilizes the utility model discloses carry out the batch welding process of hanging the flange, improved production efficiency and welding processingquality by a wide margin.

Drawings

FIG. 1 is a schematic view of a welding fixture structure for fixing a suspension flange and an assembly of the suspension flange after spot welding;

FIG. 2 is a schematic view of a base plate;

FIG. 3 is a top view of the base plate;

FIG. 4 is a schematic view of a locating block;

FIG. 5 is a top view of the locating block;

FIG. 6 is a schematic view of a circular arc plate;

FIG. 7 is a side view of a circular arc plate;

FIG. 8 is a schematic illustration of a wedge;

FIG. 9 is a top view of the wedge;

reference numerals: 1-a bottom plate; 2-positioning a block; 3-arc plate; 4-wedge block; 5-hanging the flange.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art in light of these embodiments are intended to be within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

For the purpose of illustrating the objects, technical solutions and advantages of the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Fig. 1 shows a welding fixture structure for fixing a suspension flange and an assembly schematic diagram of the suspension flange after spot welding. Hang the flange and pass through the utility model provides a welding frock clamp welds after fixed.

The utility model provides a welding frock clamp for fixing hang flange, hang the location frock of flange outline and be used for from the inside support module that inside location hung the flange including being used for the location.

Because hang the flange and form according to a definite position and order concatenation by 8 monolithic parts, through the utility model discloses location frock and inside support module are fixed a position the flange clamping from inside and outside two aspects, keep the invariance of position in its welding process to satisfy welding quality requirement.

As a specific implementation manner, as shown in fig. 1 to 5, the positioning tool is formed by welding a

bottom plate

1 and 4 positioning blocks 2, and the internal shapes of the welded 4 positioning blocks are matched with the external shape of the suspension flange.

As shown in fig. 2-5, the bottom plate and the positioning blocks are rectangular plate-shaped structures, the positioning blocks are perpendicular to the bottom plate, and every two adjacent blocks of the 4 positioning blocks are vertically arranged, so that the bottom plate and the positioning blocks can be framed from the outside of the suspension flange 5, and the outward movement of the bottom plate and the positioning blocks due to stress in the welding process is avoided.

As a specific implementation manner, as shown in fig. 1, 6-9, the internal support module is composed of 2 arc plates 3 and a plurality of wedge blocks 4, each arc plate 3 is of a cuboid-like plate structure, 1 surface is a straight surface, the shape of 3 surfaces is matched with the inner shape of a half suspension flange 5, and the wedge blocks 4 are located between the straight surfaces of the 2 arc plates 3 during operation and are used for supporting the internal butting of the 2 arc plates 3 and the suspension flange 5.

Specifically, 3 straight surfaces and 2 arc surfaces which are contacted with 5 single-chip parts of the suspension flange are arranged on the arc plate 3, and a groove is formed between the adjacent straight surfaces and the adjacent arc surfaces to reduce the dead weight.

As shown in fig. 6-7, the circular arc plate can be cut from a single piece matching the inner shape of the suspension flange 5, and is divided into two parts for use, four semi-circle-like shapes are cut off in the middle to reduce the weight of the welding tool, and the remaining two circular arc surfaces and three straight surfaces are respectively in contact with the inner surfaces of the parts in the suspension flange for use.

As shown in fig. 8-9, the wedge block is formed by cutting a plate material and machining the plate material by a milling machine, and is tapered, so that the gap between the welding tool fixture and the suspension flange is adjusted along with the movement of the wedge block, and the wedge block is used for fixing the arc plate 3 and the suspension flange to meet the positioning requirement.

Working process

Firstly, placing a positioning tool on a platform, then placing 8 parts of the suspension flange into the positioning tool, and arranging the parts according to the integral shape of the suspension flange; then placing the two arc plates on the bottom plate, and suspending the interior of the flange to enable three straight surfaces and two arc surfaces of the arc plates to be in contact with the part surface of the suspended flange; and finally, placing the wedge block between the two arc plates, and fixing the two arc plates and parts by moving the wedge block up and down to meet the size requirement of the finished suspension flange. And then, spot welding the parts, detaching the welding tool fixture, preheating the suspension flange, and continuing welding after preheating is finished.

Can see by above-mentioned content, the utility model discloses simple structure, convenient operation, process the utility model discloses can realize the accurate positioning of hanging flange behind the clamping to the clamping is reliable and stable, and part aversion phenomenon in the welding process can not appear, utilizes the utility model discloses carry out the batch welding process of hanging flange, can improve welding efficiency and welding quality by a wide margin.

In order to illustrate the contents and embodiments of the present invention, specific examples are given herein. The details introduced in the examples are not intended to limit the scope of the claims but to assist in understanding the present invention. Those skilled in the art will understand that: although the description is given in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art will recognize that the embodiments described herein may be combined as a whole to form other embodiments as would be understood by those skilled in the art. And that various modifications, changes, or alterations to the steps of the preferred embodiments are possible without departing from the spirit and scope of the invention and appended claims. Therefore, the present invention should not be limited to the disclosure of the preferred embodiments and the accompanying drawings.

Claims

1. The utility model provides a welding frock clamp for fixing hang flange which characterized in that: the device comprises a positioning tool for positioning the outer contour of the suspension flange and an internal support module for positioning the suspension flange from the inside;

the positioning tool is formed by welding a bottom plate (1) and 4 positioning blocks (2), and the internal shapes of the 4 welded positioning blocks are matched with the external shape of the suspension flange;

the inside support module comprises 2 circular arc boards (3) and a plurality of voussoir (4), and circular arc board (3) are class cuboid platelike structure, and 1 side is straight face, the appearance and half of 3 sides hang the interior shape phase-match of flange (5), and voussoir (4) during operation is located between 2 circular arc boards (3) straight faces for support 2 circular arc boards (3) with hang the inside butt of flange (5).

2. The welding tool clamp of claim 1, wherein: the arc plate (3) is provided with 3 straight surfaces and 2 arc surfaces which are contacted with 5 single-chip parts of the suspension flange (5), and a groove is arranged between the adjacent straight surfaces and the adjacent arc surfaces to reduce the dead weight.