CN215845219U

CN215845219U - Local shaping frock of case casing

Info

Publication number: CN215845219U
Application number: CN202121537269.5U
Authority: CN
Inventors: 杜恒
Original assignee: Establishment Of Aviation Technology Chengdu Co ltd
Current assignee: Establishment Of Aviation Technology Chengdu Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-02-18
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses a local forming tool for a case shell, which comprises a male die and a female die for forming the tool, wherein an outer cross beam is arranged on the outer side of the male die, an inner cross beam is arranged at the bottom of the male die, equal-height blocks are arranged at the bottom of the inner cross beam, parts are placed in a die cavity at the top of the male die, and a cooling die cavity is arranged on the inner wall of the male die. The punch forming device has a scientific and reasonable structural design, the position of the punch is restrained by arranging the inner cross beam and the outer cross beam to be used in a combined mode, the axial position can be positioned through the inner cross beam and the outer cross beam, the forming interference problem can be avoided, the equal-height blocks play a supporting role, meanwhile, the part is avoided, the forming does not influence other areas of the part, the problems that the local characteristics of the workpiece are difficult to ensure by using tooling during forming, the interference caused by forming is avoided are solved, and the forming effect of the workpiece is ensured.

Description

Local shaping frock of case casing

Technical Field

The utility model relates to the technical field of casing shell forming tool equipment, in particular to a local forming tool for a casing shell.

Background

With the rapid development of the aviation industry, many parts need to be formed by sheet metal in the machining and production of the aero-engine, so that the sheet metal parts mainly comprise a plurality of shell and cylinder sheet metal parts, the sheet metal forming production cost is low, the application range is wide, the requirement on a mold is high, and the sheet metal forming die has the irreplaceable advantage in the manufacturing of the aircraft, and is widely applied to the manufacturing of the aviation and automobile industries. The casing is generally a sheet metal part, and is formed by integral forming, such as stretching, expanding, flanging, etc. For the local features on the surface, such as the features like pits and bulges, the tooling is often used to form the features after welding. Because of this feature, which is located particularly on the cartridge housing, there are high dimensional requirements in the axial and circumferential directions. Thus, the molding is to locate its exact position. To the requirement of local characteristic molding of such cartridge case casing, this sheet metal component local profile is on the circumferential surface, and the regional many curved surfaces of shaping, factor such as resilience after the shaping in addition, difficult meeting required size after the shaping, current frock structure adds man-hour, the local characteristic of sheet metal work piece casing can't be made together when the whole profile shaping of panel beating, can't satisfy the size requirement to the mould structure that is used for the shaping produces heat easily in the use, leads to the work piece shaping effect to receive the influence. Therefore, a machine box shell local forming tool is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a machine box shell local forming tool to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a case casing local molding frock, is including being used for fashioned terrace die of frock and die, the terrace die outside is provided with the outer crossbeam, the terrace die bottom is provided with the inner beam, the inner beam bottom is provided with equal altitude piece, and the part is placed in terrace die top die cavity, the terrace die inner wall is provided with the cooling die cavity.

Preferably, the bottom of the outer cross beam is provided with a pressure edge ring.

Preferably, the equal-height blocks are arranged in two groups.

Preferably, the terrace die outside is provided with cooling body, cooling body includes an oil storage section of thick bamboo and advances oil pipe, advance oil pipe and go up the connection industrial pump.

Preferably, the end part of the oil inlet pipe is communicated with the cooling die cavity, and the other side of the cooling die cavity is connected with the cooler through the oil outlet pipe.

Preferably, the cooler is in communication with the reservoir via a return line.

Compared with the prior art, the utility model has the beneficial effects that: the machine case shell local forming tool is simple and reasonable in structural design and high in practicability, the position of a male die is restrained by arranging an inner cross beam and an outer cross beam to be used in a combined mode, the axial position can be positioned through the inner cross beam and the outer cross beam, the forming interference problem can be avoided, the equal-height blocks play a supporting role, parts are avoided at the same time, other regions of the parts are not affected by forming, the problems that the local characteristics of a workpiece are difficult to guarantee by using tools during forming and the interference caused by forming are avoided, the forming effect of the workpiece is guaranteed, the local characteristics of a sheet metal workpiece shell can be made together during forming of the integral profile of a sheet metal, the cooling mechanism formed by arranging an oil storage cylinder, an oil inlet pipe, an industrial pump, a cooler and the like on the side face of the male die can continuously cool the male die, and therefore the influence of internal heat accumulation on the using effect caused by continuous work of the die is avoided, the working efficiency of the die is improved.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the cooling mechanism of the present invention.

In the figure: 1 male die, 11 outer beam, 12 edge pressing ring, 13 inner beam, 14 equal-height blocks, 15 parts, 16 female die, 17 cooling die cavity, 18 cooling mechanism, 19 oil storage cylinder, 2 oil inlet pipe, 21 industrial pump, 22 oil outlet pipe, 23 cooler and 24 return pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a machine case shell local forming tool comprises a male die 1 and a female die 16 which are used for forming the tool, wherein an outer cross beam 11 is arranged on the outer side of the male die 1, a pressure edge ring 12 is arranged at the bottom of the outer cross beam 11, an inner cross beam 13 is arranged at the bottom of the male die 1, equal-height blocks 14 are arranged at the bottom of the inner cross beam 13, two groups of equal-height blocks 14 are arranged, a part 15 is placed in a die cavity at the top of the male die 1, the position of the male die 1 is restrained by arranging the inner cross beam 13 and the outer cross beam 11 for combined use, the axial position can be positioned through the inner cross beam 13 and the outer cross beam 11, the forming interference problem can be avoided, the equal-height blocks 14 play a supporting role and simultaneously avoid the part, other areas of the part are not influenced during forming, the problems that the tool is difficult to ensure the local characteristics of the workpiece during forming and the interference caused by the forming can not be avoided are solved, the forming effect of the workpiece is ensured, and the local characteristics of a sheet metal workpiece shell can be formed together during the forming of an integral molded surface, the inner wall of the male die 1 is provided with a cooling die cavity 17, the outer side of the male die 1 is provided with a cooling mechanism 18, the cooling mechanism 18 comprises an oil storage cylinder 19 and an oil inlet pipe 2, the oil inlet pipe 2 is connected with an industrial pump 21, the end part of the oil inlet pipe 2 is communicated with the cooling die cavity 17, the other side of the cooling die cavity 17 is connected with a cooler 23 through an oil outlet pipe 22, the cooler 23 is communicated with the oil storage cylinder 19 through a return pipe 24, oil for cooling the die is stored in the oil storage cylinder 19, in the working process, the industrial pump 21 pumps cooling oil in the oil storage cylinder 19 into the cooling die cavity 17 through the oil inlet pipe 2, the oil can exchange heat with the male die 1 in the flowing process of the cooling die cavity 17, so as to take away the heat of the male die 1 and achieve the purpose of rapid cooling, the cooling oil passing through the cooling die cavity 17 enters the cooler 23 to be cooled and then enters the oil storage cylinder 19 through the return pipe 24 again, so as to complete the cyclic utilization, have good cooling effect, through set up oil storage cylinder 19, advance oil pipe 2, industrial pump 21 and cooler 23 isotructure at terrace die 1 side and form cooling body 18, can continuously cool off terrace die 1 to avoid the mould to continue work and lead to inside heat gathering to influence result of use, improved the work efficiency of mould.

The working principle is as follows:

this machine casket casing local shaping frock, when concrete operation, through the restraint structure that outer beam 11 and inner beam 13 used in coordination constitute, retrain terrace die 1 position, axial position can pass through the crossbeam location to avoid the shaping to interfere the problem, the high piece 14 such as bottom plays the supporting role, carries out extrusion through terrace die 1 and die 16 compound die to part 15, and the shaping process is stable simple, can avoid the shaping to influence other regions of part, has improved work piece shaping effect.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a machine casket casing local molding frock, is including being used for fashioned terrace die (1) of frock and die (16), its characterized in that: an outer cross beam (11) is arranged on the outer side of the male die (1), an inner cross beam (13) is arranged at the bottom of the male die (1), equal-height blocks (14) are arranged at the bottom of the inner cross beam (13), parts (15) are placed in a die cavity at the top of the male die (1), and a cooling die cavity (17) is arranged on the inner wall of the male die (1).

2. The machine casket casing part shaping frock of claim 1, characterized in that: and the bottom of the outer cross beam (11) is provided with a pressure edge ring (12).

3. The machine casket casing part shaping frock of claim 1, characterized in that: the equal-height blocks (14) are provided with two groups.

4. The machine casket casing part shaping frock of claim 1, characterized in that: the cooling device is characterized in that a cooling mechanism (18) is arranged on the outer side of the male die (1), the cooling mechanism (18) comprises an oil storage cylinder (19) and an oil inlet pipe (2), and the oil inlet pipe (2) is connected with an industrial pump (21).

5. The local molding tool for a machine case shell according to claim 4, characterized in that: the end part of the oil inlet pipe (2) is communicated with the cooling die cavity (17), and the other side of the cooling die cavity (17) is connected with a cooler (23) through an oil outlet pipe (22).

6. The local molding tool for a machine case shell according to claim 5, characterized in that: the cooler (23) is communicated with the oil storage cylinder (19) through a return pipe (24).