CN211516279U

CN211516279U - Aluminum alloy C shape nick diaphragm engraving frock

Info

Publication number: CN211516279U
Application number: CN201921933262.8U
Authority: CN
Inventors: 不公告发明人
Original assignee: Xi'an Future Aerospace Engine Technology Co ltd
Current assignee: Xi'an Future Aerospace Engine Technology Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-09-18
Anticipated expiration: 2029-11-11

Abstract

The utility model provides an aluminum alloy C shape nick diaphragm engraving frock, including base, guide cylinder, regulation cushion and burin, the upper end of base is screw hole structure, the guide cylinder upper end is planar structure, and the lower extreme is the external screw thread structure, the external screw thread of guide cylinder closes with the internal thread of base soon and is connected, it is located the guide cylinder top to adjust the cushion, the burin is located and adjusts on the cushion, the direction cylinder section that burin was equipped with is located the screw of guide cylinder, and it is based on diaphragm rupture pressure, regulates and control the remaining thickness of diaphragm, and this structure is convenient for operate for diaphragm quality control and detection are simple and easy and with low costs, and product quality is reliable and stable, has realized the high efficiency of aluminum alloy C shape nick diaphragm effectively, reliably engrave.

Description

Aluminum alloy C shape nick diaphragm engraving frock

Technical Field

The utility model belongs to the metal field of taking shape, concretely relates to aluminum alloy C shape nick diaphragm engraving frock.

Background

The aluminum alloy C-shaped indented diaphragm is mainly used in various liquid storage systems and supply pipelines thereof, and plays roles of sealing, storing and isolating the stored liquid. When the pressure applied to the diaphragm increases to a certain value after the system is started, the diaphragm is broken along the pre-made score for a predetermined effect. The diaphragm rupture pressure is the most key performance parameter of the diaphragm and needs to be accurately controlled within a specified range, which requires that the residual thickness of the preformed score of the diaphragm must be accurately controlled and the stability of the residual thickness is ensured so as to ensure the stability of the diaphragm rupture pressure.

Disclosure of Invention

The utility model aims at providing an aluminum alloy C shape nick diaphragm engraving frock, it is based on diaphragm rupture pressure, regulates and control diaphragm surplus thickness, and this structure is convenient for operate for diaphragm quality control and detection are simple and easy and with low costs, and product quality is reliable and stable, have realized high efficiency, the reliable engraving of aluminum alloy C shape nick diaphragm effectively.

Based on the above thought, the utility model discloses a realize like this, an aluminum alloy C shape nick diaphragm engraving frock, including base, guide cylinder, regulation cushion and burin, the upper end of base is screw hole structure, the guide cylinder upper end is planar structure, and the lower extreme is the external screw thread structure, the external screw thread of guide cylinder closes soon with the internal thread of base and is connected, it is located the guide cylinder top to adjust the cushion, the burin is located and adjusts on the cushion, the direction cylinder section that the burin was equipped with is located the screw hole of guide cylinder.

Furthermore, a step hole is formed in the lower end face of the guide cylinder, and the structure of the step hole is consistent with that of the carved membrane.

Further, the adjusting cushion block is of an annular structure.

Furthermore, the upper end of the graver is of a plane structure, the lower end of the graver is provided with a blade, and the blade is of an inner taper hole structure.

Furthermore, the cutting edge is provided with a notch structure consistent with the structure of the carved diaphragm.

The utility model discloses for prior art's advantage:

1. the utility model provides a diaphragm engraving tooling simple structure, the operation of being convenient for.

2. By using the tool, the residual thickness of the diaphragm does not need to be precisely measured, so that the key performance (rupture pressure) of the diaphragm meets the design requirement, the process flow is simple, the production cost is low, the efficiency is high, and the quality is reliable.

Description of the drawings:

fig. 1 is a schematic view of the overall structure of the tool of the present invention;

FIG. 2 is a schematic view of the structure of the diaphragm of the present invention;

FIG. 3 is a schematic view of the structure of the graver of the present invention;

FIG. 4 is a schematic view of the structure of the adjusting pad of the present invention;

FIG. 5 is a schematic structural view of the guide cylinder of the present invention;

FIG. 6 is a schematic view of the base structure of the present invention;

reference numerals: the device comprises a base-1, a guide cylinder-2, an adjusting cushion block-3, a nicking tool-4, a carved membrane-5, a stepped hole-6, a knife edge-7, a cutting edge-8, a notch structure-9 and nicks-10.

Detailed Description

The following description is of some of the many possible embodiments of the present application in order to provide a basic understanding of the present application and is not intended to identify key or critical elements of the application or to delineate the scope of the application. It is easily understood that according to the technical solutions of the present application, other implementations that can be substituted with each other can be proposed by those skilled in the art without changing the spirit of the present application. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present application, and should not be construed as being all of the present application or as defining or limiting the technical solutions of the present application.

Referring to fig. 1 and 2, the utility model provides an aluminum alloy C shape nick diaphragm engraving frock, this frock includes base 1, guide cylinder 2, adjusts cushion 3, burin 4.

The base 1 is positioned at the lowest end of the engraving tool, the lower end of the base 1 is of a plane structure, the upper end of the base 1 is of a threaded hole structure, and the verticality of the bottom surface of a threaded hole of the base 1 relative to the threaded hole is required to be 0.03 mm;

guide cylinder 2 is located base 1 top, and 2 upper ends of guide cylinder are planar structure, and 2 lower extremes of guide cylinder are external screw thread structure, and the external screw thread of guide cylinder 2 closes with the internal thread of base 1 soon to be connected, and the terminal surface has 0.03mm clearance with 1 hole bottom surface of base under 2 after closing soon, and the terminal surface has step hole 6 under 2 of guide cylinder, and 6 structural dimension of step hole are unanimous with the diaphragm 5 structure of carving. The coaxiality of an inner hole of the guide cylinder 2 relative to the external thread is required to be 0.02mm, the perpendicularity of each end face and a step face of the guide cylinder 2 relative to the external thread is required to be 0.03mm, and the parallelism of two planes at the position of the dimension X3 of the guide cylinder 2 is required to be 0.02 mm;

the adjusting cushion block 3 is positioned above the guide cylinder 2, the adjusting cushion block 3 is of an annular structure, the parallelism of the upper end surface and the lower end surface of the adjusting cushion block 3 is 0.005, and the residual thickness engraved by the engraved diaphragm 5 can be adjusted by replacing the adjusting cushion blocks 3 with different thicknesses.

The graver 4 is positioned on the adjusting cushion block 3, the guiding cylindrical section of the graver 4 is positioned in the hole of the guiding cylinder 2, the upper end of the cutter 4 is of a plane structure, the lower end is a cutting edge 7, the cutting edge 7 is of an inner taper hole structure, and the cutting edge 8 is provided with a notch structure 9 which is consistent with the structure of the carved diaphragm 5. The perpendicularity requirement of the cutting edge end face and the step face at the position of the nicking tool with the size X1 relative to the guide cylindrical section is 0.02 mm; the utility model discloses the concrete use step of frock as follows:

(1) cleaning and wiping all parts of the tool;

(2) measuring the size X1 of the nicking tool, the size X2 of the adjusting cushion block, the size X3 of the guide cylinder and the size X4 of the base, and recording the measured values;

(3) selecting a proper adjusting cushion block, ensuring that the delta h is the theoretical size of the residual thickness of the film notch when the first film is carved, wherein the delta h is X2+ X3+ X4-X1, and recording an actual measurement value;

(4) according to the figure 1, a membrane blank is placed on the bottom surface of a threaded hole of a base, and a guide cylinder, an adjusting cushion block and a nicking tool are sequentially installed;

(5) applying pressure of 100KN by a press machine through the lower end face of the base and the upper end face of the nicking tool, maintaining the pressure for 1min, and recording test data;

(6) the membrane was removed and subjected to a rupture test. And (3) if the rupture pressure is higher (lower) than a required value, replacing a thinner (thick) adjusting cushion block, engraving again according to the steps (1) to (6) until the rupture pressure meets the design requirement, recording the final size X2 of the adjusting cushion block, wherein the adjusting cushion block with the size is used for engraving the subsequent whole batch of membranes, and recording test data in the test process.

Claims

1. The utility model provides an aluminum alloy C shape nick diaphragm system frock of carving, includes base (1), guide cylinder (2), adjusts cushion (3) and burin (4), its characterized in that, the upper end of base (1) is screw hole structure, guide cylinder (2) upper end is planar structure, and the lower extreme is external screw thread structure, the external screw thread of guide cylinder (2) closes with the internal thread of base (1) soon and is connected, it is located guide cylinder (2) top to adjust cushion (3), burin (4) are located on adjusting cushion (3), the direction cylinder section that burin (4) were equipped with is located the screw of guide cylinder (2).

2. The aluminum alloy C-shaped indented diaphragm engraving tool according to claim 1, wherein a step hole (6) is formed in the lower end face of the guide cylinder (2), and the structure of the step hole (6) is consistent with that of the engraved diaphragm (5).

3. The tooling for engraving the aluminum alloy C-shaped indented diaphragm according to claim 1, wherein the adjusting cushion block (3) is of an annular structure.

4. The tooling for engraving the C-shaped indented aluminum alloy diaphragm according to claim 1, wherein the upper end of the engraving knife (4) is of a plane structure, the lower end of the engraving knife is provided with a knife edge (7), and the knife edge (7) is of an inner taper hole structure.

5. The tooling for engraving the C-shaped indented aluminum alloy diaphragm according to claim 4, wherein the cutting edge (7) comprises a cutting edge (8), and a notch structure (9) consistent with the structure of the engraved diaphragm is arranged at the cutting edge (8).