CN214814016U

CN214814016U - Bent double-outlet composite die for corrosion-resistant clamp of aircraft engine

Info

Publication number: CN214814016U
Application number: CN202120648793.3U
Authority: CN
Inventors: 马永春; 崔巍; 周宝玲
Original assignee: Dalian Mengyu Machinery Co ltd
Current assignee: Dalian Mengyu Machinery Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-23
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a crooked limit of cutting of corrosion-resistant clamp of aeroengine pair of compound mould belongs to aeroengine clamp processing technology field. The two ends of the spring a are respectively connected with the upper die plate and the floating ejection block, the forming male dies are symmetrically arranged on two sides of the floating ejection block and are fixed on the upper die plate, the forming female die fixed on the lower die fixing plate is arranged below the forming male dies, the shearing male dies fixed on the lower die fixing plate are arranged in the middle of the forming female dies, the floating blocks are arranged on two sides of the shearing male dies, and the bottoms of the floating blocks are connected with the lower die fixing plate through springs b. The utility model has the advantages that: two parts are formed symmetrically by one die, so that the efficiency is improved and the cost is saved; the hole positioning is adopted, the positioning is accurate, and the dimensional accuracy of each part of the formed curved surface is ensured.

Description

Bent double-outlet composite die for corrosion-resistant clamp of aircraft engine

Technical Field

The utility model relates to a crooked two compound moulds that go out in limit of cutting of corrosion-resistant clamp of aeroengine belongs to aeroengine clamp processing technology field.

Background

The corrosion-resistant clamp workpiece of the aero-engine is composed of a plurality of arc curved surfaces, the machining efficiency of the existing machining process is low, and the machining precision is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

For solving the defect that prior art exists, the utility model aims at providing an aeroengine corrosion-resistant clamp bending trimming double-output composite mould of raise the efficiency, guarantee quality.

The technical scheme of the utility model is that: the two ends of a spring a are respectively connected with an upper template and a floating ejector block, forming male dies are symmetrically arranged on two sides of the floating ejector block and fixed on the upper template, a forming female die fixed on a lower die fixing plate is arranged below the forming male dies, a shearing male die fixed on the lower die fixing plate is arranged in the middle of the forming female die, floating blocks are arranged on two sides of the shearing male die, and the bottom of the floating block is connected with the lower die fixing plate through a spring b.

The forming male die is opposite to the forming female die, and the shape of the forming part of the forming female die is matched with the shape of the forming part of the forming male die.

The top of the floating material ejecting block is connected with a limiting block, and a limiting boss used for limiting the limiting block is arranged on the forming male die.

The floating material blocks are positioned on two sides of the bottom of the floating material ejecting block.

The positioning pin is arranged on the floating block, the bottom end of the positioning pin is connected to the inside of the floating block through a spring c, and the top of the positioning pin penetrates through the floating block.

The utility model has the advantages that: two parts are formed symmetrically by one die, so that the efficiency is improved and the cost is saved; the hole positioning is adopted, the positioning is accurate, and the dimensional accuracy of each part of the formed curved surface is ensured.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a superimposed view of the workpiece before and after forming.

The reference numbers in the figures are as follows: 1. the device comprises a limiting block, 2, a floating material pushing block, 3, a forming male die, 4, a lower die fixing plate, 5, a forming female die, 6, a shearing male die, 7, a floating material block, 8, a workpiece before forming and 9, a workpiece after forming.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings 1-2:

the two ends of a spring a are respectively connected with an upper template and a floating ejector block 2, forming male dies 3 are symmetrically arranged on two sides of the floating ejector block 2, the forming male dies 3 are fixed on the upper template, forming female dies 5 fixed on a lower die fixing plate 4 are arranged below the forming male dies 3, a shearing male die 6 fixed on the lower die fixing plate 4 is arranged in the middle of the forming female dies 5, floating blocks 7 are arranged on two sides of the shearing male dies 6, and the bottoms of the floating blocks 7 are connected with the lower die fixing plate 4 through springs b. The positioning pin is arranged on the float block 7, the bottom end of the positioning pin is connected to the inside of the float block 7 through a spring c, and the top of the positioning pin penetrates through the float block 7.

The forming male die 3 is opposite to the forming female die 5, and the shape of the forming part of the forming female die 5 is matched with the shape of the forming part of the forming male die 3.

The top of the floating ejector block 2 is connected with a limiting block 1, and a limiting boss used for limiting the limiting block 1 is arranged on the forming male die 3. The floating material blocks 7 are positioned at two sides of the bottom of the floating material block 2.

Under the mold splitting state, under the action of a spring a, the bottom end of a floating ejector block 2 extends out of the bottom of a forming male mold 3, under the action of a spring b, the top end of a floating block 7 extends out of a forming female mold 5, a positioning pin on the floating block 7 extends out of the top end of the floating block 7 under the action of a spring c, a through hole is formed in a workpiece 8 before forming, the workpiece before forming is placed on the forming female mold 5, the extending positioning pin penetrates through the through hole to position the workpiece 8 before forming, an upper mold descends, the floating ejector block 2 is firstly contacted with the workpiece 8 before forming, the floating block 7 is compressed, the workpiece is bent by the forming male mold 3, a part to be cut in the middle of the workpiece is moved to be contacted with a cutting male mold 6 and cannot move downwards continuously, positions on two sides of the workpiece are pushed by the forming male mold 3 to move downwards continuously, the floating ejector block 2 is pushed by the cutting part to move upwards relative to the forming male mold 3, and the cutting male mold 6 and the forming male mold 3 form a female mold cutting edge, the part to be sheared in the middle of the workpiece is sheared, the sheared workpiece continues to move downwards under the clamping action of the forming male die 3 and the floating block 7, the forming male die 3 is matched with the forming female die 5 when moving in place, the workpiece is pressed from the upper side and the lower side to be formed, the upper die moves upwards after the workpiece is formed, the floating block 7 moves upwards relative to the forming female die 5 under the action of the spring b, the formed workpiece 9 is pushed out of the forming female die 5, and two workpieces are formed at one time, so that the efficiency is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a crooked trimming double-outlet compound mould of aeroengine, its characterized in that, spring a both ends are connected cope match-plate pattern and unsteady liftout piece (2) respectively, and shaping terrace die (3) symmetry sets up in unsteady liftout piece (2) both sides, shaping terrace die (3) are fixed on the cope match-plate pattern, and shaping terrace die (3) below is equipped with shaping die (5) of fixing on lower mould fixed plate (4), and shaping die (5) middle part is equipped with cut terrace die (6) of fixing on lower mould fixed plate (4), and cut terrace die (6) both sides are equipped with floatage piece (7), and floatage piece (7) bottom is passed through spring b and is connected with lower mould fixed plate (4).

2. The aero-engine corrosion-resistant clamp bending and trimming double-output composite die as claimed in claim 1, wherein the forming male die (3) is opposite to the forming female die (5), and the shape of a forming portion of the forming female die (5) is matched with the shape of a forming portion of the forming male die (3).

3. The aero-engine corrosion-resistant clamp bending and edge-shearing composite die as claimed in claim 1, wherein the top of the floating ejector block (2) is connected with a limiting block (1), and a limiting boss for limiting the limiting block (1) is arranged on the forming male die (3).

4. The aircraft engine corrosion-resistant clamp bent trim double-out composite mold as claimed in claim 1, wherein the floating blocks (7) are positioned on both sides of the bottom of the floating ejector block (2).

5. The aero-engine corrosion-resistant hoop bending and trimming double-outlet composite die as claimed in claim 1, wherein a positioning pin is arranged on the float block (7), the bottom end of the positioning pin is connected to the inside of the float block (7) through a spring c, and the top of the positioning pin penetrates through the float block (7).