CN213162691U

CN213162691U - Exhaust passage structure of large composite forming device

Info

Publication number: CN213162691U
Application number: CN202021557534.1U
Authority: CN
Inventors: 李经明; 欧阳翎; 胥志高; 曹广; 蒋启超; 刘先林
Original assignee: Henan Mengdian Group Xingdi Forging And Stamping Equipment Manufacturing Co ltd
Current assignee: Henan Mengdian Group Xingdi Forging And Stamping Equipment Manufacturing Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-05-11
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses an exhaust passage structure of a large-scale composite forming device, which comprises an upper beam, a middle beam, an upper water intercepting chamber and a lower water intercepting chamber; the upper water intercepting chamber is arranged in the upper beam, the bottom surface of the upper water intercepting chamber is provided with radial exhaust grooves which are uniformly arranged, the bottom surface of the upper water intercepting chamber is provided with an annular exhaust groove, and the annular exhaust groove penetrates through the radial exhaust grooves; the lower water intercepting chamber is arranged in the middle beam, transverse holes are circumferentially arranged on the inner wall of the lower water intercepting chamber, exhaust vertical holes are uniformly arranged at the top of the lower water intercepting chamber along the longitudinal direction, the exhaust vertical holes are communicated with the transverse holes, and the opening position of the top of each exhaust vertical hole is matched with the position of the annular exhaust groove; when the impact hammer head moves in the upper water intercepting chamber, the extruded air is discharged from the annular exhaust groove and the radial exhaust groove; when the impact hammer moves to enter the lower water intercepting chamber, the extruded air enters the exhaust vertical hole from the transverse hole of the lower water intercepting chamber, then enters the annular exhaust groove and is exhausted from the radial exhaust groove; the air below the end face of the hammer head can be discharged rapidly when the impact hammer head is rushed at a high speed, and the friction generated by the air is reduced, so that the high-speed movement of the impact hammer head is realized.

Description

Exhaust passage structure of large composite forming device

Technical Field

The utility model relates to a metal pressure processing technology field, in particular to large-scale compound forming device's exhaust passage structure.

Background

In the fields of aerospace, automobiles and the like, the requirements on structural lightweight, functionality and integrity are higher and higher, so that functional parts with complex structures are widely applied, and a large-scale composite forming device is often used and can realize two processing technologies of liquid-filling forming and high-energy high-speed impact forming; when a high-energy high-speed impact forming process is required to be implemented, in order to obtain the optimal impact effect, the smaller the gap between the outer circumference of the impact hammer and the inner wall of the water chamber, the better the gap is; if the air in the water chamber cannot be discharged quickly, resistance against the movement of the hammer is generated, and the resistance is proportional to the higher-order square of the speed of the hammer, so that the hammer cannot move at high speed in a closed space with such a small gap, and therefore, the technical problem needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a large-scale compound forming device's exhaust passage structure can strike the air of tup when high-speed down punching impact hammer head terminal surface below and can be discharged rapidly.

According to the utility model discloses an exhaust passage structure of a large-scale composite forming device, which comprises an upper beam, a middle beam, an upper water intercepting chamber and a lower water intercepting chamber; the upper water intercepting chamber is arranged in the upper beam, radial exhaust grooves which are uniformly arranged are formed in the bottom surface of the upper water intercepting chamber, an annular exhaust groove is formed in the bottom surface of the upper water intercepting chamber, and the annular exhaust groove penetrates through the radial exhaust grooves; the lower water intercepting chamber is arranged in the middle beam, transverse holes are arranged on the inner wall of the lower water intercepting chamber in an encircling mode, exhaust vertical holes are evenly arranged at the top of the lower water intercepting chamber along the longitudinal direction, the exhaust vertical holes are communicated with the transverse holes, and the opening position of the top of each exhaust vertical hole is matched with the position of the annular exhaust groove.

According to some embodiments of the present invention, a lifting cylinder is installed at the top of the upper beam, and a piston rod of the lifting cylinder penetrates through the upper beam and is fixedly connected to the middle beam;

according to some embodiments of the utility model, lower intercepting outdoor wall is equipped with the ring channel, the cross bore rear end opening is on the ring channel.

According to the utility model discloses large-scale compound forming device's exhaust passage structure has following beneficial effect at least:

when the impact hammer head moves in the upper water intercepting chamber, the extruded air is discharged from the annular exhaust groove and the radial exhaust groove; when the impact hammer moves to enter the lower water intercepting chamber, the extruded air enters the exhaust vertical hole from the transverse hole of the lower water intercepting chamber, then enters the annular exhaust groove and is exhausted from the radial exhaust groove; the air below the end face of the hammer head can be discharged rapidly when the impact hammer head is rushed at a high speed, and the friction generated by the air is reduced, so that the high-speed movement of the impact hammer head is realized.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention during a hydroforming stage;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention during an impact forming stage;

FIG. 3 is a schematic view of an upper intercepting chamber in an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a lower intercepting chamber in an embodiment of the present invention;

fig. 5 is a schematic view of a combination state between the upper water intercepting chamber and the lower water intercepting chamber in the embodiment of the present invention.

An upper water intercepting chamber 100, a radial exhaust groove 110, an annular exhaust groove 120; the lower water intercepting chamber 200, the transverse hole 210, the exhaust vertical hole 220 and the annular groove 230; an upper beam 101, a middle beam 102, a lifting oil cylinder 103 and an impact hammer head 104.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1 to 5, during impact forming, the impact hammer head 104 moves downward at a high speed in the complete water chamber formed by the upper water intercepting chamber 100 and the lower water intercepting chamber 200, and if air in the complete water chamber cannot be discharged quickly, resistance to the impact hammer head 104 is generated, so that the impact hammer cannot generate high-speed impact action; therefore, the bottom surface of the upper water intercepting chamber 100 is provided with radial exhaust grooves 110 which are uniformly arranged, the bottom surface of the upper water intercepting chamber 100 is provided with an annular exhaust groove 120, and the annular exhaust groove 120 penetrates through the radial exhaust grooves 110 to communicate the radial exhaust grooves 110; the top of the lower water intercepting chamber 200 is uniformly provided with vertical exhaust holes 220 along the longitudinal direction, the vertical exhaust holes 220 are communicated with the transverse holes 210, and the top opening position of the vertical exhaust holes 220 is matched with the position of the annular exhaust groove 120. When the striker 104 is still moving in the upper header 100, the compressed air is discharged from the radial air discharge grooves 110 on the lower end surface of the upper header 100, and when the striker 104 is moving into the lower header 200, the compressed air enters the vertical air discharge holes 220 through the transverse holes 210, enters the annular air discharge grooves 120 and is discharged through the radial air discharge grooves 110.

The lifting oil cylinder 103 is arranged on the top of the upper beam 101 and used for pulling the lower water intercepting chamber 200 to the upper water intercepting chamber 100, the annular groove 230 is arranged on the outer wall of the piston lower water intercepting chamber 200 of the lifting oil cylinder 103, and the rear end of the transverse hole 210 is opened on the annular groove 230.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. An exhaust passage structure of a large-scale composite forming device comprises an upper beam (101) and a middle beam (102); it is characterized by comprising:

the water-saving device comprises an upper water intercepting chamber (100), wherein the upper water intercepting chamber (100) is arranged in an upper beam (101), the bottom surface of the upper water intercepting chamber (100) is provided with radial exhaust grooves (110) which are uniformly arranged, the bottom surface of the upper water intercepting chamber (100) is provided with an annular exhaust groove (120), and the annular exhaust groove (120) penetrates through the radial exhaust grooves (110);

the lower water intercepting chamber (200), the lower water intercepting chamber (200) is arranged in the center sill (102), transverse holes (210) are arranged on the inner wall of the lower water intercepting chamber (200) in a surrounding mode, vertical exhaust holes (220) are uniformly arranged on the top of the lower water intercepting chamber (200) along the longitudinal direction, the vertical exhaust holes (220) are communicated with the transverse holes (210), and the opening position of the top of each vertical exhaust hole (220) is matched with the position of the annular exhaust groove (120).

2. The exhaust passage structure of a large-scale composite forming device according to claim 1, wherein a lifting cylinder (103) is installed on the top of the upper beam (101), and a piston rod of the lifting cylinder (103) penetrates through the upper beam (101) and is fixedly connected with the middle beam (102).

3. The exhaust passage structure of a large-scale composite forming apparatus according to claim 1, wherein the outer wall of the lower water intercepting chamber (200) is provided with an annular groove (230), and the rear end of the cross hole (210) is opened on the annular groove (230).