CN211888647U - Stamping die for sealing gasket of ventilating pipeline of aero-engine - Google Patents

Abstract

The utility model discloses a sealed stamping die that fills up of aeroengine vent pipe belongs to stamping die technical field. Be fixed with the lower bolster on the die holder, be fixed with the lower plate on the lower bolster, the spring b bottom and the die holder that run through lower plate and lower bolster are connected, and the stripper that is located the lower plate top is connected on spring b top, the stripper is located the periphery of hollow lower mould, hollow lower mould top is equipped with the lower mould recess, hollow lower mould top is equipped with the material returned piece that runs through the cope match-plate pattern, material returned piece bottom is equipped with the processing arch, the processing arch sets up with lower mould recess relatively, and the dowel plate is connected through the dowel bar that runs through cope match-plate pattern a and cope match-plate pattern to the material returned piece. The utility model has the advantages that: the cost is reduced, the efficiency is improved, and the utilization rate of the processed plates is improved.

Description

Stamping die for sealing gasket of ventilating pipeline of aero-engine

Technical Field

The utility model relates to a sealed stamping die that fills up belongs to stamping die technical field.

Background

The sealing gasket for the ventilating duct of the aircraft engine is processed by a metal plate with a flat surface, the existing processing process is to punch positioning holes at two ends of the plate, press the middle part of the plate after the positioning holes are positioned, and finally punch the positioning hole areas at the two ends of the plate, wherein the rest pressing part is a finished product; accomplish above-mentioned course of working, need cut-out press, die mould and blanking die, three moulds cooperation are accomplished, and equipment cost is high, and the switching processing of panel between each mould leads to machining efficiency low, and in addition, blanking after the die mould leads to the waste of processing raw and other materials, improvement manufacturing cost.

SUMMERY OF THE UTILITY MODEL

For solving the defect that prior art exists, the utility model aims at providing a reduce cost, the sealed stamping die that fills up of aeroengine vent pipe that raises the efficiency.

The technical scheme of the utility model is that: a lower base plate is fixed on a lower die base, a lower clamping plate is fixed on the lower base plate, the bottom end of a spring b penetrating through the lower clamping plate and the lower base plate is connected with the lower die base, the top end of the spring b is connected with a stripper plate positioned above the lower clamping plate, the stripper plate is positioned on the periphery of a hollow lower die, a lower die groove is arranged at the top end of the hollow lower die, a stripper block penetrating through an upper die plate is arranged above the hollow lower die, a processing bulge is arranged at the bottom end of the stripper block, the processing bulge is opposite to the lower die groove, the stripper block is connected with a force transfer plate through a force transfer rod penetrating through an upper clamping plate a and an upper clamping plate b, the force transfer plate is connected with an upper back plate in a sliding manner, the force transfer plate is connected with the bottom end of a spring a, the top end of the spring a is connected with an upper die base, the upper, the upper clamping plate b is connected with an upper clamping plate a, the upper clamping plate a is connected with an upper die plate, the upper die plate is in sliding connection with a guide pillar on the stripper plate, the upper clamping plate b is connected with a punch a and a punch b, and the punch a penetrates through the material withdrawing block.

The bottom ends of the punch a and the punch b are positioned on the same plane.

The top of the equal-height bolt a is connected with the stripper plate, the limiting end of the bottom of the equal-height bolt a is positioned at the lower part of the lower backing plate and is connected in the cavity of the lower die base in a sliding manner, and the equal-height bolt a penetrates through the lower backing plate and the lower clamping plate.

The bottom of an equal-height bolt b penetrating through the upper clamping plate a is fixedly connected with the upper template, and a limiting end at the top of the equal-height bolt b is connected in the cavity of the upper clamping plate b in a sliding manner.

The inner cavity of the stripper plate is provided with a spring c, and the spring c is connected with a material blocking nail.

The material blocking nail comprises a material blocking nail a positioned on a processing moving path of the processed plate and material blocking nails b positioned on two sides of the processing moving path.

The utility model has the advantages that: after the upper die plate rises, the material blocking nail stretches out the stripper under the spring action to position the processing plate, the upper die base moves downwards, the material returning block is driven to move downwards and carry out profiling on the plate, then the punch a and the punch b punch a hole, the upper die plate cuts, after cutting, the stripper upwards pushes out waste materials, the material returning block returns the punched finished product from the punch, the positioning blanking work can be completed on one die, the cost is reduced, the efficiency is improved, and the utilization rate of the processing plate is improved.

Drawings

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

fig. 2 is a second cross-sectional view of the present invention;

fig. 3 is a third cross-sectional view of the present invention.

The reference numbers in the figures are as follows: 1. the die comprises a lower die holder, 2, a lower backing plate, 3, a lower clamping plate, 4, a stripper plate, 5, an upper die plate, 6, upper clamping plates a and 7, upper clamping plates b and 8, an upper back plate, 9, an upper die holder, 10, springs a and 11, a force transmission plate, 12, punches a and 13, punches b and 14, guide pillars, 15, a material returning block, 16.1, equal-height bolts a and 16.2, equal-height bolts b and 17, a hollow lower die, 18, force transmission rods, 19, springs b and 20 and a processing plate.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings 1-3:

a lower base plate 2 is fixed on a lower die base 1, a lower clamp plate 3 is fixed on the lower base plate 2, the bottom end of a spring b19 penetrating through the lower clamp plate 3 and the lower base plate 2 is connected with the lower die base 1, the top end of a spring b19 is connected with a discharging plate 4 positioned above the lower clamp plate 3, the discharging plate 4 is positioned on the periphery of a hollow lower die 17, a lower die groove is formed in the top end of the hollow lower die 17, a material returning block 15 penetrating through an upper die plate 5 is arranged above the hollow lower die 17, a processing bulge is arranged at the bottom end of the material returning block 15 and is opposite to the lower die groove, the material returning block 15 is connected with a force transmission plate 11 through a force transmission rod 18 penetrating through an upper clamp plate a6 and an upper clamp plate b7, the force transmission plate 11 is connected with an upper back plate 8 in a sliding mode, the force transmission plate 11 is connected with the bottom end of a spring a10, the top end of, the upper back plate 8 is connected with an upper clamping plate b7, the force transmission plate 11 is positioned on an upper clamping plate b7, an upper clamping plate b7 is connected with an upper clamping plate a6, the upper clamping plate a6 is connected with an upper die plate 5, the upper die plate is in sliding connection with the guide pillars 14 on the discharging plate 4, the upper clamping plate b7 is connected with a punch a12 and a punch b13, and the punch a12 penetrates through the material withdrawing block 15. The bottom ends of the punch a12 and the punch b13 are positioned on the same plane. The top of the equal-height bolt a16.1 is connected with the stripper plate 4, the limiting end at the bottom of the equal-height bolt a16.1 is positioned at the lower part of the lower backing plate 2 and is connected in the cavity of the lower die holder 1 in a sliding manner, and the equal-height bolt a16.1 penetrates through the lower backing plate 2 and the lower clamping plate 3. The bottoms of the equal-height bolts b16.2 penetrating through the upper clamping plate a6 are fixedly connected with the upper template 5, and the limiting ends at the tops of the equal-height bolts b16.2 are slidably connected in the cavities of the upper clamping plate b 7. The inner cavity of the stripper plate 4 is provided with a spring c, and the spring c is connected with a material blocking nail. The material blocking nail comprises a material blocking nail a positioned on a processing moving path of the processing plate material 20 and material blocking nails b positioned on two sides of the processing moving path.

The utility model discloses the working process is as follows:

the upper template 5 and the stripper 4 are separated in an initial state, the upper surface of the stripper 4 is coplanar with the top end of a lower die groove of a hollow lower die 17, a processing bulge at the bottom end of a material returning block 15 is positioned below the plane of the lower surface of the upper template 5, the processing plate 20 is pushed between the upper template 5 and the stripper 4, two sides of the processing plate 20 are positioned through material blocking nails b, the material blocking nails a position the end part of the processing plate 20, after the positioning, the upper die base 9 is driven to move downwards to push the upper die assembly to move downwards integrally, guide posts 14 play a role in guiding, the upper template 5 presses the material blocking nails a and the material blocking nails b into the stripper 4, the processing bulge at the bottom end of the material returning block 15 firstly contacts with the processing plate 20, along with the continuous downward movement of the upper die base 9, the processing bulge presses a region contacting with the processing plate 20 into the lower die groove at the top end of the hollow lower die 17 to press the appearance, the position of the lower die groove is fixed, so that the material returning block 15 cannot move downwards continuously, as the upper die base 9 moves downwards continuously, the spring a10 connected with the material returning block 15 is compressed, the punch a12 contacts with the processed plate 20, a hollow lower die matched with the punch a12 is arranged below the processed plate 20, the hollow area of the hollow lower die is opposite to the punch b13, as the punch b13 moves downwards continuously, the punch b13 punches a large central round hole on the processed plate 20, the punch a12 is matched with the hollow lower die below and punches a small peripheral round hole, the upper die plate 5 presses downwards to move the discharging plate 4 downwards, the discharging plate 4 and the hollow lower die 17 generate a height difference, the upper die plate 5 cuts the processed plate 20 at the joint of the discharging plate 4 and the hollow lower die 17, the upper die base 9 moves upwards after moving downwards to a certain position, at this time, the punch a12 and the punch b13 pass through the product processed by the processed plate 20, and therefore the product can, but the stripper block 15 does not move upwards immediately under the action of the spring a10, the spring a10 pushes the stripper block 15 to move downwards relative to the punch a12 and the punch b13 in the process of restoring deformation, so that the product on the punch a12 and the punch b13 is pushed downwards and separated from the punch a12 and the punch b13, the stripper block 15 does not move downwards infinitely relative to the punch a12 and the punch b13 due to the action of the equal-height bolt b16.2, when the limit end on the top of the equal-height bolt b16.2 is in contact with the upper clamp plate a6, the stripper block 15 stops moving downwards, when the upper die holder 9 moves upwards to the limit position, the lower ends of the punch a12 and the punch b13 are coplanar, and the processing bulge of the stripper block 15 is positioned below the lower ends of the punch a12 and the punch b 13; in addition, when the upper die holder 9 moves upwards, the spring b19 recovers deformation to push the stripper 4 to move upwards, the waste on the stripper 4 is pushed upwards, the limit end at the bottom of the equal-height bolt a16.1 moves upwards to the limit position and is not contacted with the lower backing plate 2 to move upwards any more, so that the stripper 4 connected with the top stops moving upwards, and the upper surface of the stripper 4 is coplanar with the top end of the hollow lower die 17; the spring c in the stripper 4 recovers deformation, pushes out the material blocking nail a and the material blocking nail b from the stripper 4, so that the next positioning cycle is used, when the next positioning cycle is started, firstly, the punched area on the processing plate 20 is lifted, the whole processing plate 20 moves along the material blocking nail b, the two material blocking nails b are respectively arranged on two sides of the processing plate 20, the punched area of the processing plate 20 can form a contour hole with a product shape, when the contour hole passes through the upper part of the material blocking nail a, the contour hole moves relative to the material blocking nail a, when the material blocking nail a blocks the tail end of the contour hole, the contour hole cannot move continuously, and at the moment, the next punching processing area of the processing plate 20 is positioned, and then the next punching processing cycle can be carried out.

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 (6)

1. The stamping die for the sealing gasket of the ventilating pipeline of the aero-engine is characterized in that a lower base plate (2) is fixed on a lower die holder (1), a lower clamping plate (3) is fixed on the lower base plate (2), the bottom end of a spring b (19) penetrating through the lower clamping plate (3) and the lower base plate (2) is connected with the lower die holder (1), the top end of the spring b (19) is connected with a discharging plate (4) positioned above the lower clamping plate (3), the discharging plate (4) is positioned on the periphery of a hollow lower die (17), a lower die groove is arranged at the top end of the hollow lower die (17), a material returning block (15) penetrating through an upper die plate (5) is arranged above the hollow lower die (17), a processing bulge is arranged at the bottom end of the material returning block (15) and is opposite to the lower die groove, the material returning block (15) is connected with a force transfer plate (11) through a force transfer rod (18) penetrating through an upper clamping plate a, the upper back plate (8) is connected to a force transfer plate (11) in a sliding mode, the force transfer plate (11) is connected with the bottom end of a spring a (10), the upper die base (9) is connected to the top end of the spring a (10), the upper back plate (8) is connected to the upper die base (9), the upper back plate (8) is connected to an upper clamping plate b (7), the force transfer plate (11) is located on the upper clamping plate b (7), the upper clamping plate b (7) is connected to an upper clamping plate a (6), the upper clamping plate a (6) is connected to an upper die plate (5), the upper die plate is connected with a guide pillar (14) on a discharging plate (4) in a sliding mode, the upper clamping plate b (7) is connected with a punch head a (12) and a punch head.

2. The aircraft engine vent pipe gasket pressing die according to claim 1, wherein the bottom ends of the punch a (12) and the punch b (13) are located on the same plane.

3. The stamping die for the sealing gasket of the aero-engine vent pipe according to claim 1, wherein the top of an equal-height bolt a (16.1) is connected with the stripper plate (4), a limiting end of the bottom of the equal-height bolt a (16.1) is located at the lower part of the lower base plate (2) and is connected to the cavity of the lower base (1) in a sliding mode, and the equal-height bolt a (16.1) penetrates through the lower base plate (2) and the lower clamping plate (3).

4. The stamping die for the sealing gasket of the aero-engine vent pipe according to claim 1, wherein the bottoms of the equal-height bolts b (16.2) penetrating through the upper clamping plate a (6) are fixedly connected with the upper template (5), and the limiting ends of the tops of the equal-height bolts b (16.2) are slidably connected in the cavity of the upper clamping plate b (7).

5. The stamping die for the sealing gasket of the aeroengine ventilating pipe according to claim 1, wherein a spring c is arranged in the inner cavity of the stripper plate (4), and a material blocking nail is connected to the spring c.

6. The aircraft engine vent pipe gasket stamping die of claim 5, wherein the dam nails include a dam nail a located on a machining moving path of a machining plate (20), and dam nails b located on both sides of the machining moving path.

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