CN111644766A

CN111644766A - A frock clamp that is used for spray tube panel beating formed part laser cutting outline

Info

Publication number: CN111644766A
Application number: CN202010543008.8A
Authority: CN
Inventors: 李雪梅; 谭小波; 曾浩
Original assignee: Aecc Aero Science And Technology Co ltd
Current assignee: Aecc Aero Science And Technology Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2020-09-11

Abstract

The invention discloses a tool clamp for laser cutting of an outer contour of a metal plate forming part of a spray pipe, and belongs to the field of aero-engines. The invention comprises a base, alignment sample plates respectively arranged at two sides of the base and a pressing device arranged on the base and positioned between the alignment sample plates, wherein the top end of the base is provided with a supporting variable cross section, and two ends of the base are provided with cutting grooves; the difficult problem of no locating hole part through the model realize profile alignment fast has effectively been solved, has reduced the part rejection rate, and greatly reduced manufacturing cost improves the company's benefit, has great practical value.

Description

A frock clamp that is used for spray tube panel beating formed part laser cutting outline

Technical Field

The invention relates to the field of aero-engines, in particular to a tool clamp for laser cutting of an outer contour of a metal plate forming part of a spray pipe.

Background

The sheet metal cylinder part profile of a certain spray pipe in the aircraft engine is complex, and is a variable cross section conical body, the diameter of the large end is 1158mm, the diameter of the small end is 1028mm, and the height is 530 mm. The spray pipe metal plate cylinder is formed by 4 sections respectively, is welded by an argon arc welding method after laser cutting, and meets the requirements of design size and profile appearance after integral correction. And the consistency of the circumferential size and the axial profile of the laser-cut outer profile of the single-segment forming sheet metal part determines the welding quality and the size and the appearance quality of the final spray pipe cylinder profile. The profile clamping of the variable cross-section conical part is exactly difficult to find during laser cutting, the single sheet metal which is subjected to laser cutting by the profile alignment of the formed part can meet the consistency of the axial profile and the circumferential dimension of 4 sheet metal parts, the welding quality, the profile dimension and the appearance requirements of the spray pipe barrel are met, and one set of clamp needs to be designed to align the part with the profile before laser cutting.

Disclosure of Invention

The invention provides a tool clamp for laser cutting of an outer contour of a metal plate forming part of a spray pipe aiming at the defects of the prior art, and the specific technical scheme is as follows:

the utility model provides a frock clamp for spray tube panel beating formed part laser cutting outline, includes the base, sets up respectively at the alignment model of base both sides and sets up on the base and lie in the closing device between the alignment model, and the top of base is equipped with supports the variable cross section to the both ends of base are equipped with cuts cut groove.

Preferably, one end of the alignment template is hinged to the base, and the other end of the alignment template is detachably connected with the base.

Preferably, the base is provided with a fixed seat detachably connected with the alignment sample plate, and the fixed seat is provided with a positioning pin sequentially penetrating through the fixed seat and the alignment sample plate.

Preferably, the pressing device comprises pressing flanges which are respectively arranged at two ends of the base.

Preferably, the two ends of the base are provided with alignment blocks between the alignment templates.

Preferably, a plurality of groups of lifting rings are arranged on the base.

Preferably, the base is provided with a plurality of groups of alignment holes penetrating through the base.

Preferably, the base and the alignment template are made of carbon steel.

The invention has the following beneficial effects:

according to the invention, a worker safely hoists the base to a working platform of the cutting machine tool for alignment and fixation, and installs a part to be cut on the base. After the profile of the part is aligned by the alignment template, a worker presses the part to be cut on the base through the pressing device and positions the part to be cut, so that the profile of the part to be cut is tightly attached to the supporting variable cross section at the top end of the base. Immediately, the working personnel start the cutting machine tool and cut the part to be cut. And meanwhile, cutting grooves arranged at two ends of the base reserve cutting space for the cutting machine tool, and the laser cutting can be ensured to cut through parts to be cut. The invention can quickly position and align, is convenient to operate, saves labor and time and has higher reliability; the difficult problem of no locating hole part through the model realize profile alignment fast has effectively been solved, has reduced the part rejection rate, and greatly reduced manufacturing cost improves the company's benefit, has great practical value.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view of a part to be cut in the present invention.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

Examples

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "communicating," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1 to 3, the invention comprises a base 1 for mounting on a cutting machine tool and alignment templates 2 respectively arranged on two sides of the base 1, wherein the alignment templates 2 are used for positioning a part to be cut on the base 1, and after the part to be cut is mounted on the base 1, the correct position of the part to be cut relative to the base 1 in the axial direction and the circumferential direction is ensured, so that the machining size after laser cutting meets the design requirement, and the base 1 and the alignment templates 2 are made of carbon steel. The top end of the bottom plate is provided with a supporting variable cross section 4 matched with the variable cross section of the part to be cut in shape, so that the molded surface of the part to be cut can be tightly attached to the supporting variable cross section 4 of the base 1, and the positioning, the next step of pressing and cutting are facilitated. The staff hoist base 1 safety to the work platform alignment of cutting off machine tool and fix to will wait to cut the part and install on base 1. Then, after the staff aligns the profile of the part to be cut through the alignment template 2, the part to be cut is tightly pressed on the base 1 to be positioned, so that the profile of the part to be cut is tightly attached to the supporting variable cross section 4 at the top end of the base 1.

Referring to fig. 1 to 2, the base 1 is provided with cutting grooves 5 at both ends thereof and on the surface of the base 1, and the groove depth of the cutting groove 5 is a fixed value. And the cutting grooves 5 arranged at the two ends of the base 1 reserve cutting space for the cutting machine tool, so that the laser cutting can cut through parts to be cut. Two groups of alignment holes 10 penetrating through the base 1 are arranged on the base 1 and used for aligning the base 1. According to the invention, through the alignment hole 10 arranged on the base 1, when a worker safely hoists the base 1 onto a working platform of a cutting machine tool, the position of the base 1 can be correctly placed, and the positioning efficiency and the positioning accuracy of the base 1 are improved. Four groups of lifting rings 9 are arranged on the base 1, the four groups of lifting rings 9 are respectively arranged on the side edges of two ends of the base 1, and the number of the lifting rings 9 at each end is two, so that the base 1 can be safely lifted to a working platform of a machine tool.

Referring to fig. 2, the two ends of the base 1 and between the alignment templates 2 are provided with alignment blocks 8 to ensure the correct position of the base 1 relative to the machine tool working platform. The pressing device 3 is arranged on the base 1 and located between the alignment templates 2, and the pressing device 3 is used for pressing and fixing the part to be cut on the base 1, so that the cutting effect is prevented from being influenced by the conditions that the part to be cut is subjected to position deviation in the cutting process and the like. The pressing device 3 comprises two groups of pressing flanges 31 which are respectively arranged at two ends of the base 1, and after the base 1 is safely hoisted to a working platform of the cutting machine tool by a worker, the part to be cut can be fixed on the base 1 by rotating the pressing flanges 31.

Referring to fig. 1 to 2, one end of an alignment template 2 is hinged with a base 1, and the other end of the alignment template 2 is detachably connected with the base 1, and according to the invention, two ends of the alignment template 2 are respectively hinged and detachably connected with the base 1, so that a worker can conveniently adjust the position of a part to be cut placed between the alignment templates 2, can realize quick alignment and positioning of the part to be cut, ensures accurate positioning consistency through a molded surface when the part to be cut is clamped every time, and meets the requirements of design and process. Be equipped with on base 1 and dismantle the fixing base 6 of being connected with alignment model 2, be equipped with on fixing base 6 and pass fixing base 6 and alignment model 2's locating pin 7 in proper order.

In the invention, a worker safely hoists the base 1 to a working platform of a cutting machine tool for alignment and fixation, and installs a part to be cut on the base 1. After the profile of the part is aligned by the alignment template, a worker tightly presses the part to be cut on the base 1 through the pressing device 3, and positions the part to be cut, so that the profile of the part to be cut is tightly attached to the supporting variable cross section at the top end of the base 1. Immediately, the working personnel start the cutting machine tool and cut the part to be cut. And meanwhile, cutting grooves 5 arranged at two ends of the base 1 reserve cutting spaces for the cutting machine tool, so that the parts to be cut can be cut through by laser cutting. The invention can quickly position and align, is convenient to operate, saves labor and time and has higher reliability; the difficult problem of no locating hole part through the model realize profile alignment fast has effectively been solved, has reduced the part rejection rate, and greatly reduced manufacturing cost improves the company's benefit, has great practical value.

It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a frock clamp for spray tube panel beating formed part laser cutting outline, its characterized in that includes base (1), sets up alignment model (2) and setting closing device (3) that are located between alignment model (2) on base (1) both sides respectively, the top of base (1) is equipped with supports variable cross section (4), and the both ends of base (1) are equipped with cuts cut groove (5).

2. The tooling clamp for laser cutting of the outer contour of the metal plate forming part of the spray pipe according to claim 1, wherein one end of the alignment template (2) is hinged to the base (1), and the other end of the alignment template (2) is detachably connected with the base (1).

3. The tooling clamp for laser cutting of the outer contour of the metal plate forming part of the spray pipe according to claim 2, wherein a fixing seat (6) detachably connected with the alignment sample plate (2) is arranged on the base (1), and a positioning pin (7) sequentially penetrating through the fixing seat (6) and the alignment sample plate (2) is arranged on the fixing seat (6).

4. A tooling clamp for laser cutting of an outer contour of a sheet metal forming part of a spray pipe according to claim 1, wherein the pressing device (3) comprises pressing flanges (31) respectively arranged at two ends of the base (1).

5. The tooling clamp for laser cutting of the outer contour of the metal plate forming part of the spray pipe according to claim 1, wherein the two ends of the base (1) and the positioning blocks (8) are arranged between the positioning templates (2).

6. A tool clamp for laser cutting of an outer contour of a sheet metal forming part of a spray pipe according to claim 1, wherein a plurality of groups of lifting rings (9) are arranged on the base (1).

7. The tooling clamp for laser cutting of the outer contour of the metal plate forming part of the spray pipe according to claim 1, wherein a plurality of groups of alignment holes (10) penetrating through the base (1) are formed in the base (1).

8. The tooling clamp for laser cutting of the outer contour of the metal plate forming part of the spray pipe according to claim 1, wherein the base (1) and the alignment template (2) are made of carbon steel.