CN217152458U

CN217152458U - Ultrahigh pressure supercharger

Info

Publication number: CN217152458U
Application number: CN202220926274.3U
Authority: CN
Inventors: 黄铁军; 金兆钰
Original assignee: Wuxi Weihaida Machinery Manufacturing Co ltd
Current assignee: Wuxi Weihaida Machinery Manufacturing Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-09
Anticipated expiration: 2032-04-21

Abstract

The utility model discloses an ultrahigh pressure supercharger, which comprises a double-rod oil cylinder, wherein the double-rod oil cylinder comprises a first piston rod and a second piston rod; the two sides of the double-outlet-rod oil cylinder are respectively connected with a first pressurizing cavity and a second pressurizing cavity, the first pressurizing cavity comprises a first inlet and a first outlet, and the first pressurizing cavity is matched with the double-outlet-rod oil cylinder and used for pressurizing liquid flowing in through the first inlet and then discharging the liquid through the first outlet; the second pressurizing cavity comprises a second inlet and a second outlet, and the second pressurizing cavity is matched with the double-rod oil cylinder and used for pressurizing liquid flowing in through the second inlet and then discharging the liquid through the second outlet. The utility model discloses two pole hydro-cylinders, first pressure boost chamber and second pressure boost chamber's setting can provide two way pressure boost liquid, has improved the stability of pressure boost liquid, has improved cold isostatic press's production efficiency.

Description

Ultrahigh pressure supercharger

Technical Field

The utility model relates to a supercharging equipment technical field, concretely relates to superhigh pressure booster.

Background

The cold isostatic pressing technology is to place powdered material in a sealed and elastic mold made of rubber or plastic at normal temperature. The liquid is used as pressure medium, and the use pressure is 100MPa-630 MPa. Under the action of external liquid static pressure, the contact points are increased through the displacement between the powders and the deformation of the powders, the contact area is enlarged, and the materials are pressed into a solid body to obtain a blank body in the original shape. And after the pressure is released, taking the die out of the container, demolding, and further shaping the green body as required to provide the green body for further sintering, forging or hot isostatic pressing. The cold isostatic pressing technology mainly comprises a cylinder body and a pressurizing device, wherein the pressurizing device supplies pressurized liquid to the cylinder body so as to supply proper pressure to a mold in the cylinder body. The pressurizing equipment needs to provide pressure of 100MPa-630MPa for the cylinder body, and most of the existing pressurizing equipment is a single-stroke pressurizer. The single-stroke supercharger can only move towards one direction, the output liquid pressure is unstable and discontinuous due to the stroke direction, and the volume of the single-stroke supercharger is large, so that the production efficiency and the maintenance convenience of the cold isostatic press are reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a super high pressure booster, output pressure is stable, has improved cold isostatic press's production efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an ultrahigh pressure supercharger comprises a double-rod oil cylinder, wherein the double-rod oil cylinder comprises a first piston rod and a second piston rod; the two sides of the double-outlet-rod oil cylinder are respectively connected with a first pressurizing cavity and a second pressurizing cavity, the first pressurizing cavity comprises a first inlet and a first outlet, and the first pressurizing cavity is matched with the double-outlet-rod oil cylinder and used for pressurizing liquid flowing in through the first inlet and then discharging the liquid through the first outlet; the second pressurizing cavity comprises a second inlet and a second outlet, and the second pressurizing cavity is matched with the double-rod oil cylinder and used for pressurizing liquid flowing in through the second inlet and then discharging the liquid through the second outlet.

As a preferred technical solution of the present invention: the first pressurizing cavity comprises a first cylinder core and a first base, and two ends of the first cylinder core are respectively connected with the first base and the double-rod oil cylinder through first flanges; a first channel is arranged in the first cylinder core, and the first channel and the first piston rod form a sliding fit pair; a second channel is arranged in the first base and is respectively communicated with the first inlet, the first outlet and the first channel.

As a preferred technical solution of the present invention: and a first cylinder sleeve is arranged on the periphery of the first cylinder core.

As a preferred technical solution of the present invention: the double-rod oil cylinder is connected with the first base through a plurality of first screw rods.

As a preferred technical solution of the present invention: the first inlet is provided with a first inlet one-way valve, and the first outlet is provided with a first outlet one-way valve.

As a preferred technical solution of the present invention: the second pressurizing cavity comprises a second cylinder core and a second base, and two ends of the second cylinder core are respectively connected with the second base and the double-rod oil cylinder through second flanges; a third channel is arranged in the second cylinder core, and the third channel and the second piston rod form a sliding fit pair; and a fourth channel is arranged in the second base and is respectively communicated with the second inlet, the second outlet and the third channel.

As a preferred technical solution of the present invention: and a second cylinder sleeve is arranged on the periphery of the second cylinder core.

As a preferred technical solution of the present invention: the double-rod oil cylinder is connected with the second base through a plurality of second screw rods.

As a preferred technical solution of the present invention: and a second inlet one-way valve is arranged on the second inlet, and a second outlet one-way valve is arranged on the second outlet.

The utility model discloses following beneficial effect has:

1. this application can provide two way pressure boost liquid through the setting in two play pole hydro-cylinders, first pressure boost chamber and second pressure boost chamber, has improved the stability of pressure boost liquid, has improved cold isostatic press's production efficiency. And when one path of pressurized liquid has problems, a user can not stop the machine, thereby improving the running reliability.

2. The first cylinder sleeve and the second cylinder sleeve are low in cost, convenient to machine and free of special equipment; still improved the structural strength of first section of thick bamboo core and second section of thick bamboo core, prolonged life.

Drawings

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

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a schematic view taken along the line A-A of FIG. 2;

in fig. 1-3, 1, a double-rod cylinder, 2, a first piston rod, 3, a second piston rod, 4, a first pressurizing cavity, 5, a second pressurizing cavity, 6, a first inlet, 7, a first outlet, 8, a second inlet, 9, a second outlet, 10, a first cartridge, 11, a first base, 12, a first cylinder sleeve, 13, a combined seal, 14, a first channel, 15, a second channel, 16, a first inlet check valve, 17, a first outlet check valve, 18, a first flange, 19, a second cartridge, 20, a second base, 21, a second flange, 22, a second cylinder sleeve, 23, a third channel, 24, a fourth channel, 25, a second inlet check valve, 26, a second outlet check valve, 27, a first screw, 28, and a second screw.

Detailed Description

In order to make the objects and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, an embodiment of the present invention provides an ultrahigh pressure supercharger, which includes a dual-rod cylinder 1, where the dual-rod cylinder 1 includes a first piston rod 2 and a second piston rod 3; the two sides of the double-outlet-rod oil cylinder 1 are respectively connected with a first pressurizing cavity 4 and a second pressurizing cavity 5, the first pressurizing cavity 4 comprises a first inlet 6 and a first outlet 7, and the first pressurizing cavity 4 is matched with the double-outlet-rod oil cylinder 1 and used for pressurizing liquid flowing in through the first inlet 6 and then discharging the liquid through the first outlet 7; the second pressurizing cavity 5 comprises a second inlet 8 and a second outlet 9, and the second pressurizing cavity 5 is matched with the double-rod oil cylinder 1 and used for pressurizing liquid flowing in through the second inlet 8 and then discharging the liquid through the second outlet 9. After the first outlet 7 and the outlet are connected together, the double-rod oil cylinder 1 can be pressurized by two paths of liquid flowing in through the first inlet 6 and the second inlet 8, so that the stability of the pressure of the pressurized liquid is improved, and meanwhile, even if one pressurizing cavity is damaged, the double-rod oil cylinder can be not stopped, and the reliability of operation is improved. Of course, the first pressurizing cavity 4 and the second pressurizing cavity 5 can also be connected to different devices, pressurized liquid is provided for different devices, and the application range of the liquid pressurizing device is widened.

The first pressurizing cavity 4 comprises a first barrel core 10 and a first base 11, and two sides of the first barrel core 10 are respectively connected with the double-rod oil cylinder 1 and the first base 11 through first flanges 18; first cylinder liner 12 has been put in the outside of first section of thick bamboo core 10, first section of thick bamboo core 10 adopts interference fit with first cylinder liner 12, and first cylinder liner 12 gives first section of thick bamboo core 10 application prestressing force, has improved the stress state and the stress environment of first section of thick bamboo core 10, has improved structural strength and increase of service life, compares with providing prestressing force at the outside winding steel wire of first section of thick bamboo core 10, does not need professional equipment to make, and the cost ratio is lower simultaneously, and processing is more convenient, is fit for small-size compact booster. A combined seal 13 is arranged between the first cylinder core 10 and the double-rod oil cylinder 1; a first channel 14 is arranged in the first cylinder core 10, and the first channel 14 and the first piston rod 2 form a sliding fit pair; a second channel 15 is arranged inside the first base 11, and the second channel 15 is respectively communicated with the first inlet 6, the first outlet 7 and the first channel 14; the first inlet 6 is provided with a first inlet check valve 16, the first outlet 7 is provided with a first outlet check valve 17, when liquid flows into the second channel 15 through the first inlet 6, the liquid flows to the first channel 14 along the second channel 15, the first piston rod 2 moves towards the double-rod oil cylinder 1, the first channel 14 is filled with the liquid, when the first piston rod 2 moves towards the first base 11, the liquid flows to the second channel 15 through the first channel 14, and due to the existence of the first inlet check valve 16 and the first outlet check valve 17, the liquid after pressurization can only flow out through the first outlet 7. In order to increase the axial stability of the first pressurizing cavity 4, the double-rod oil cylinder 1 is connected with the first base 11 through a plurality of first screws 27, and the plurality of first screws 27 are matched with nuts to fix the double-rod oil cylinder 1 and the first base 11 together. The plurality of first screws 27 in this application is preferably six.

The second pressurizing cavity 5 comprises a second cylinder core 19 and a second base 20, two sides of the second cylinder core 19 are respectively connected with the second base 20 and the double-rod oil cylinder 1 through second flanges 21, a second cylinder sleeve 22 is arranged on the outer side of the second cylinder core 19, the second cylinder core 19 and the second cylinder sleeve 22 are in interference fit, the second cylinder sleeve 22 applies prestress to the second cylinder core 19, the stress state and the stress environment of the second cylinder core 19 are improved, the structural strength is improved, the service life is prolonged, compared with the mode that steel wires are wound outside the second cylinder core 19 to provide prestress, special equipment is not needed for manufacturing, meanwhile, the cost is low, the processing is convenient, and the small-sized compact pressurizer is suitable. A combined seal 13 is arranged between the second cylinder core 19 and the double-rod oil cylinder 1; a third channel 23 is arranged in the second cylinder core 19, and the third channel 23 and the second piston rod 3 form a sliding fit pair; the second base 20 is provided with a fourth passage 24 inside, and the fourth passage 24 is communicated with the second inlet 8, the second outlet 9 and the third passage 23, respectively. The second inlet 8 is provided with a second inlet check valve 25, the second outlet 9 is provided with a second outlet check valve 26, when liquid flows into the fourth channel 24 through the second inlet 8 and enters the third channel 23 along the fourth channel 24, the second piston rod 3 moves towards the direction of the double-rod oil cylinder 1, the third channel 23 is filled with the liquid, when the second piston rod 3 moves towards the second base 20, the liquid flows towards the fourth channel 24 through the third channel 23, and due to the existence of the second inlet check valve 25 and the second outlet check valve 26, the pressurized liquid can only flow out through the second outlet 9. In order to increase the axial stability of the second pressurizing cavity 5, a second flange 21 is arranged on one side of the double-rod oil cylinder 1 adjacent to the second cylinder core 19, the double-rod oil cylinder 1 is connected with the second base 20 through a plurality of second screw rods 28, and the plurality of second screw rods 28 are matched with nuts to connect the double-rod oil cylinder 1 with the second base 20. The plurality of second screws 28 in this application is preferably six.

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 decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An ultrahigh pressure supercharger, characterized in that: the double-rod-out oil cylinder (1) comprises a first piston rod (2) and a second piston rod (3); a first pressurizing cavity (4) and a second pressurizing cavity (5) are respectively connected to two sides of the double-rod oil cylinder (1), the first pressurizing cavity (4) comprises a first inlet (6) and a first outlet (7), and the first pressurizing cavity (4) is matched with the double-rod oil cylinder (1) and used for pressurizing liquid flowing in through the first inlet (6) and then discharging the liquid through the first outlet (7); the second pressurizing cavity (5) comprises a second inlet (8) and a second outlet (9), and the second pressurizing cavity (5) is matched with the double-rod oil cylinder (1) and used for pressurizing liquid flowing in through the second inlet (8) and then discharging the liquid through the second outlet (9).

2. The ultra-high pressure supercharger of claim 1 wherein: the first pressurizing cavity (4) comprises a first cylinder core (10) and a first base (11), and two ends of the first cylinder core (10) are respectively connected with the first base (11) and the double-rod-out oil cylinder (1) through first flanges (18); a first channel (14) is arranged in the first cylinder core (10), and the first channel (14) and the first piston rod (2) form a sliding fit pair; a second channel (15) is arranged inside the first base (11), and the second channel (15) is communicated with the first inlet (6), the first outlet (7) and the first channel (14) respectively.

3. The ultra-high pressure supercharger of claim 2 wherein: the periphery of the first cylinder core (10) is provided with a first cylinder sleeve (12).

4. The ultra-high pressure supercharger of claim 2 wherein: the double-rod oil cylinder (1) is connected with the first base (11) through a plurality of first screw rods (27).

5. The ultra-high pressure supercharger of claim 2 wherein: the first inlet (6) is provided with a first inlet one-way valve (16), and the first outlet (7) is provided with a first outlet one-way valve (17).

6. The ultra-high pressure supercharger of claim 1 wherein: the second pressurizing cavity (5) comprises a second cylinder core (19) and a second base (20), and two ends of the second cylinder core (19) are respectively connected with the second base (20) and the double-rod-out oil cylinder (1) through second flanges (21); a third channel (23) is arranged in the second cylinder core (19), and the third channel (23) and the second piston rod (3) form a sliding fit pair; and a fourth channel (24) is arranged in the second base (20), and the fourth channel (24) is respectively communicated with the second inlet (8), the second outlet (9) and the third channel (23).

7. The ultra-high pressure supercharger of claim 6 wherein: and a second cylinder sleeve (22) is arranged on the periphery of the second cylinder core (19).

8. The ultra-high pressure supercharger of claim 6 wherein: the double-rod-out oil cylinder (1) is connected with the second base (20) through a plurality of second screw rods (28).

9. The ultra-high pressure supercharger of claim 6 wherein: and a second inlet one-way valve (25) is arranged on the second inlet (8), and a second outlet one-way valve (26) is arranged on the second outlet (9).