CN210907599U

CN210907599U - Rupture disk forming device with positive arch pit

Info

Publication number: CN210907599U
Application number: CN201921299725.XU
Authority: CN
Inventors: 王宁
Original assignee: Suzhou Anding Rupture Disk Manufacturing Co ltd
Current assignee: Suzhou Anding Rupture Disk Manufacturing Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-07-03
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a rupture disk forming device with positive pit that encircles, the on-line screen storage device comprises a base, the last fixed surface of base is connected with the bed die, and the last surface of base still a plurality of guide posts of fixedly connected with, the surface slip of a plurality of guide posts is pegged graft and is had last mould mounting panel, the lower fixed surface of going up the mould mounting panel is connected with the mould, the lower surface of going up the mould is corresponding with the upper surface of bed die, the equal fixedly connected with roof in top of a plurality of guide posts, the last fixed surface of roof is connected with the pneumatic cylinder, the hydraulic shaft of pneumatic cylinder is connected with the last fixed surface of last mould mounting panel. The utility model discloses can be according to the nimble adjusting bolt position of size of rectangle rupture disk to ensure in the rectangle rupture disk can arrange forming die in, thereby improve forming die's commonality, be fit for more not unidimensional rectangle rupture disks.

Description

Rupture disk forming device with positive arch pit

Technical Field

The utility model relates to a rupture disk technical field, concretely relates to rupture disk forming device with positive arch pit.

Background

The rupture disk is an important safety device for pressure vessels and pipelines. It can be used for blasting at a specified temperature and pressure, releasing pressure and ensuring equipment. In the event of a fire or other accident, a rupture disc may be used as an additional pressure relief device after the main pressure relief device is opened. Rupture discs can be divided into four broad categories depending on the failure mode and the material: flat, positive arch, reverse arch and graphite. The graphite type is mainly used in the occasions of strong corrosion and low pressure. The flat plate type is mainly used for low-pressure and ultra-low-pressure working conditions, but has poor comprehensive performance. There are many applications for both positive and negative camber. At present, two steps are needed for manufacturing the rupture disk with the positive arch pits, namely molding by using a molding spherical membrane, then replacing a mold, and placing the pits by using a pit-placing spherical membrane. The process is more troublesome, especially when the bore is bigger the change mould is more troublesome, wastes time and energy, and inefficiency, intensity of labour is big. Therefore, there is a strong need for a rupture disk forming apparatus with positive dimples.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the above-mentioned prior art, the utility model aims to provide a rupture disk forming device with positive arch pit.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rupture disk forming device with positive arch pit, includes the base, the last fixed surface of base is connected with the bed die, and the upper surface of base still a plurality of guide posts of fixedly connected with, the surperficial slip of a plurality of guide posts is pegged graft and is had last mould mounting panel, the lower fixed surface who goes up the mould mounting panel is connected with the mould, the lower surface of going up the mould is corresponding with the upper surface of bed die, the equal fixedly connected with roof in top of a plurality of guide posts, the last fixed surface of roof is connected with the pneumatic cylinder, the hydraulic shaft of pneumatic cylinder and the last fixed surface who goes up the mould mounting panel are connected.

Preferably, the middle part of the base is provided with an air inlet hole which penetrates through the base, and the air inlet hole is connected with the vacuum generator through an air pipe.

Preferably, the middle part of the lower die is provided with a through hole, the through hole is communicated with the air inlet hole, the inner side edge of the upper surface of the lower die is provided with an annular groove, and the outer diameter of the annular groove is matched with the diameter of the rupture disk.

Preferably, the inner side edge of the lower surface of the upper die is provided with an annular boss, the outer diameter of the annular boss is matched with that of the annular groove, the height of the annular boss is larger than the depth of the annular groove, and the annular boss is provided with an arc-shaped groove.

Preferably, the upper surface of the upper die is provided with a groove, and the bottom of the groove is provided with a bolt hole.

Preferably, the upper portion of the bolt hole is communicated with the groove, the lower portion of the bolt hole is communicated with the arc-shaped groove, and a bolt matched with the bolt hole is arranged in the bolt hole.

Preferably, the bottom of the bolt is provided with a mandril, the end part of the mandril is spherical, the diameter of the bolt is larger than that of the mandril, and the mandril penetrates through the bolt hole and extends into the arc-shaped groove.

Preferably, the bolt hole is step-shaped, the upper portion of the bolt hole is a large-diameter threaded section, and the lower portion of the bolt hole is a small-diameter smooth wall section.

Compared with the prior art, the rupture disk forming device with the positive arch pit of the utility model drives the annular boss on the upper die to move downwards through the hydraulic cylinder, the lower die is matched to compress the rupture disk placed on the annular groove, the vacuum generator is utilized to provide a high-pressure air source for the air inlet, the air inlet is used for air inlet, the rupture disk is deformed by air pressure, thereby completing the formation of the rupture disk and improving the working efficiency; after the rupture disk is formed, downward pressure is formed on the upper surface of the rupture disk by the ejector rod, namely the upper surface of the rupture disk is subjected to the pressure of the ejector rod, the downward pressure acts on the upper surface of the rupture disk to form a pit until the predetermined depth is reached, then the ejector rod rises to perform demoulding, the ejector rod rises under the action of a hydraulic cylinder, and an upper mould is pulled to be separated from a lower mould to complete demoulding; the utility model can adjust the length of the ejector rod extending out of the upper die through the adjusting bolt according to the caliber size of the rupture disk, thereby realizing the manufacture of pits with different depths of the rupture disk and improving the universality of the forming device; the utility model discloses can realize the pit preparation of rupture disk shaping and rupture disk, the mould cost of manufacture of practicing thrift greatly has simplified the technology greatly, has improved work efficiency, has shortened the preparation cycle.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a cross-sectional view of a rupture disk forming apparatus with positive arch dimples according to the present invention;

fig. 2 is a schematic structural view of the rupture disk of the present invention.

In the figure: 1. a base; 2. a guide post; 3. a lower die; 4. an upper die mounting plate; 5. an upper die; 6. a top plate; 7. a hydraulic cylinder; 8. an air inlet; 9. a through hole; 10. an annular groove; 11. an annular boss; 12. an arc-shaped slot; 13. a groove; 14. bolt holes; 15. a bolt; 16. a top rod; 17. a rupture disk.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention provides a technical solution: the utility model provides a rupture disk forming device with positive arch pit, including base 1, the last fixed surface of base 1 is connected with bed die 3, and a plurality of guide posts 2 of fixedly connected with are gone back to the upper surface of base 1, and the surperficial slip of a plurality of guide posts 2 is pegged graft and is had last mould mounting panel 4, the lower fixed surface of going up mould mounting panel 4 is connected with mould 5, the lower surface of going up mould 5 is corresponding with the upper surface of bed die 3, and the equal fixedly connected with roof 6 in top of a plurality of guide posts 2, the last fixed surface of roof 6 is connected with pneumatic cylinder 7, the hydraulic shaft of pneumatic cylinder 7 is connected with the last fixed surface of last mould mounting panel 4.

In this embodiment, an air inlet 8 penetrating through the base 1 is formed in the middle of the base 1, and the air inlet 8 is connected with a vacuum generator through an air pipe.

In this embodiment, the middle of the lower mold 3 is provided with a through hole 9, the through hole 9 is communicated with the air inlet hole 8, the inner side edge of the upper surface of the lower mold 3 is provided with an annular groove 10, and the outer diameter of the annular groove 10 is matched with the diameter of the rupture disk 17.

In this embodiment, an annular boss 11 is arranged at an inner side edge of a lower surface of the upper die 5, the annular boss 11 is matched with an outer diameter of the annular groove 10, the annular boss 11 is larger than a depth of the annular groove 10, an arc-shaped groove 12 is formed in the annular boss 11, a groove 13 is formed in an upper surface of the upper die 5, a bolt hole 14 is formed in the bottom of the groove 13, an upper portion of the bolt hole 14 is communicated with the groove 13, a lower portion of the bolt hole 14 is communicated with the arc-shaped groove 12, a bolt 15 matched with the bolt hole 14 is arranged in the bolt hole 14, an ejector rod 16 is arranged at the bottom of the bolt 15, an end portion of the ejector rod 16 is spherical, a diameter of the bolt 15 is larger than that of the ejector rod 16, and the ejector rod 16. When the bolt is used, the bolt 15 is rotated to drive the ejector rod 16 to move up and down in the bolt hole 14.

The bolt hole 14 in this embodiment is step-shaped, the upper portion of the bolt hole 14 is a large-diameter threaded section, and the lower portion of the bolt hole is a small-diameter smooth wall section. The bolt 15 is effectively prevented from being separated from the bolt hole 14 by being provided with a large-diameter thread section and a small-diameter smooth wall section for abutting limitation.

The utility model discloses a theory of operation: during the use, place rupture disk 17 on the annular groove 10 of bed die 3, through adjusting bolt 15, drive ejector pin 16 and reciprocate, adjust the ejector pin 16 and stretch out the length of going up mould 5 to realize the preparation of the pit of the different degree of depth of rupture disk 17, pneumatic cylinder 7 works, drives the last mould mounting panel 4 with its hydraulic shaft connected and moves down, thereby drives mould 5 and ejector pin 16 and moves down, makes bed die 3 and last mould 5 closed compress tightly rupture disk 17. Meanwhile, a high-pressure air source is provided for the air inlet hole 8 by using a vacuum generator, air is fed into the air inlet hole 8, so that the lower surface of the rupture disk 17 is subjected to air pressure generated by the vacuum generator, the rupture disk 17 is deformed by the air pressure, the forming of the rupture disk 17 is completed, after the rupture disk 17 is formed, downward pressure is formed on the upper surface of the rupture disk 17 by the ejector rod 16, namely the upper surface of the rupture disk 17 is subjected to the pressure of the ejector rod 16, the downward pressure is applied to the upper surface of the rupture disk 17 to form a pit until a preset depth is reached, then the ejector rod 16 is lifted to perform demoulding, the ejector rod 16 is lifted under the action of the hydraulic cylinder 7, the upper mould 5 is pulled to be separated from the lower mould 3 to complete demoulding, the next rupture disk 17 can be processed, a new rupture disk is.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rupture disk forming device with positive arch pit, including base (1), its characterized in that: the upper surface of base (1) is fixedly connected with bed die (3), and the upper surface of base (1) is a plurality of guide posts (2) of fixedly connected with still, and the surface slip of a plurality of guide posts (2) is pegged graft and is had last mould mounting panel (4), the lower fixed surface of going up mould mounting panel (4) is connected with mould (5), the lower surface of going up mould (5) is corresponding with the upper surface of bed die (3), the equal fixedly connected with roof (6) in top of a plurality of guide posts (2), the upper surface fixed connection of roof (6) has pneumatic cylinder (7), the hydraulic shaft of pneumatic cylinder (7) is connected with the upper surface fixed of last mould mounting panel (4).

2. The rupture disk forming apparatus of claim 1, wherein: the vacuum cleaner is characterized in that an air inlet (8) penetrating through the base (1) is formed in the middle of the base (1), and the air inlet (8) is connected with a vacuum generator through an air pipe.

3. The rupture disk forming apparatus of claim 1, wherein: the middle part of lower mould (3) is provided with through-hole (9), through-hole (9) are linked together with inlet port (8), the inboard edge of the upper surface of lower mould (3) is equipped with annular groove (10), and the external diameter of annular groove (10) and the diameter phase-match of rupture disk (17).

4. The rupture disk forming apparatus of claim 1, wherein: the inner side edge of the lower surface of the upper die (5) is provided with an annular boss (11), the outer diameters of the annular boss (11) and the annular groove (10) are matched, the height of the annular boss (11) is larger than the depth of the annular groove (10), and the annular boss (11) is provided with an arc-shaped groove (12).

5. The rupture disk forming apparatus of claim 1, wherein: a groove (13) is formed in the upper surface of the upper die (5), and a bolt hole (14) is formed in the bottom of the groove (13).

6. The rupture disk forming apparatus of claim 5, wherein: the upper portion of the bolt hole (14) is communicated with the groove (13), the lower portion of the bolt hole (14) is communicated with the arc-shaped groove (12), and a bolt (15) matched with the bolt hole (14) is arranged in the bolt hole (14).

7. The rupture disk forming apparatus of claim 6, wherein: and a push rod (16) is installed at the bottom of the bolt (15), the end part of the push rod (16) is spherical, the diameter of the bolt (15) is larger than that of the push rod (16), and the push rod (16) penetrates through the bolt hole (14) and extends into the arc-shaped groove (12).

8. The rupture disk forming apparatus of claim 5, wherein: the bolt hole (14) is step-shaped, the upper portion of the bolt hole (14) is a large-diameter threaded section, and the lower portion of the bolt hole is a small-diameter smooth wall section.