CN210648323U

CN210648323U - Final forging die for flange piece

Info

Publication number: CN210648323U
Application number: CN201921502673.1U
Authority: CN
Inventors: 周成宏
Original assignee: Nanjing Hongqing Precision Material Technology Co Ltd
Current assignee: Nanjing Hongqing Precision Material Technology Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-06-02
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a finish forging mould for flange spare relates to flange manufacturing technical field, need measure the central hole when going on and cutting for solving the flange spare among the prior art, and flange spare thickness itself can influence cutting rate's problem moreover. The bottom of flange finish forging mould is provided with the bed die subassembly, the bed die subassembly includes unable adjustment base, unable adjustment base's top is provided with the punching press base, be provided with anchor bolt around the punching press base, the top of punching press base is provided with the reference column, and the reference column has six, the bottom of reference column is provided with the buffering spacing ring, the inboard of reference column is provided with processing platform, processing platform's surface is provided with the flange standing groove, the top of bed die subassembly is provided with mould assembly, go up mould assembly including forging the axle bed, the top of forging the axle bed is provided with the hydraulic pressure connecting block, the below of forging the axle bed is provided with the stamping element piece.

Description

Final forging die for flange piece

Technical Field

The utility model relates to a flange manufacturing technical field specifically is a flange is finish forging mould for spare.

Background

A flange, also known as a flange collar or flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. The pipeline flange is a flange for piping in a pipeline device, and is used on equipment to be an inlet and outlet flange of the equipment. The flanges are provided with holes, and the two flanges are tightly connected through bolts. The flanges are sealed with gaskets. The flange is divided into a threaded connection (screw thread connection) flange, a welding flange and a clamping flange. The flanges are used in pairs, the low-pressure pipeline can be screwed with the flanges, and the flanges are welded under the pressure of more than four kilograms. And a sealing gasket is arranged between the two flanges and then is fastened by bolts. The flanges of different pressures have different thicknesses and they use different bolts. When the water pump and the valve are connected with a pipeline, the parts of the equipment and equipment are also made into corresponding flange shapes, which are also called flange connection. The connecting parts which are connected by using bolts at the peripheries of two planes and are closed at the same time are generally called flanges, and for example, the connecting parts of the ventilating duct can be called flange parts.

However, the existing flange member requires a central hole to be measured when performing and cutting, and the thickness of the flange member itself may affect the cutting rate; therefore, the existing requirements are not met, and a finish forging die for flange parts is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flange is with final forging mould to the flange spare that proposes in solving above-mentioned background art need measure the centre bore when going on and cutting, and the thickness of flange spare itself can influence cutting rate's problem moreover.

In order to achieve the above object, the utility model provides a following technical scheme: a finish forging die for flange pieces comprises a flange finish forging die, wherein a lower die assembly is arranged at the bottom of the flange finish forging die and comprises a fixed base, a stamping base is arranged above the fixed base, anchoring bolts are arranged around the stamping base, positioning columns are arranged above the stamping base and comprise six positioning columns, buffering limiting rings are arranged at the bottom of the positioning columns, a processing platform is arranged on the inner side of each positioning column, a flange placing groove is formed in the outer surface of the processing platform, an upper die assembly is arranged above the lower die assembly and comprises a forging shaft seat, a hydraulic connecting block is arranged above the forging shaft seat, a stamping element block is arranged below the forging shaft seat, a shaping pressing ring is arranged on the outer surface of the stamping element block, and positioning holes are formed around the shaping pressing ring, and the number of the positioning holes is six, and an arc-shaped punching block is arranged in the shaping pressing ring.

Preferably, the lower die assembly is connected with the upper die assembly in a combined mode, the fixed base is rotatably connected with the anchoring bolt through internal threads, and the fixed base is connected with the stamping base through a clamping groove.

Preferably, the punching base is connected with the positioning column in a welding mode, the positioning column is connected with the buffering limiting ring in a combined mode, and the punching base is fixedly connected with the machining platform.

Preferably, the forging shaft seat is fixedly connected with the hydraulic connecting block and the stamping element block, and the arc-shaped stamping block and the shaping pressing ring are fixedly connected with the stamping element block.

Preferably, the diameter of the positioning hole is the same as that of the positioning column, and the diameter of the stamping base is the same as that of the stamping element block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses place the flange spare of required processing in the standing groove at punching press base center on the bed die, then the hydraulic means through the top promotes the mould punching press that carries out of bed die below, at this moment, the punching press base of mould bottom will contact with flange spare, punching press forging is carried out to the flange spare of standing groove inside through design clamping ring and the arc punching piece of base surface, the arc punching piece of base center department can be at the surperficial striking of flange part a semicircular recess, thereby determine the position in the centre bore region of processing back flange spare, simultaneously because the recess that hits of pressure also can make the thickness in centre bore region will be less than the thickness of whole flange spare, like this can effectual its machining efficiency that promotes in follow-up cutting process.

Drawings

FIG. 1 is an overall front view of the present invention;

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

fig. 3 is a schematic diagram of the structure of the stamping component block of the present invention.

In the figure: 1. a flange finish forging die; 2. a lower die assembly; 3. an upper die assembly; 4. a fixed base; 5. an anchor bolt; 6. stamping a base; 7. a positioning column; 8. a buffering limit ring; 9. a processing platform; 10. a flange placing groove; 11. forging the shaft seat; 12. a hydraulic connecting block; 13. stamping the element block; 14. positioning holes; 15. shaping the compression ring; 16. an arc-shaped punching block.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a finish forging die for flange pieces comprises a flange finish forging die 1, a lower die assembly 2 is arranged at the bottom of the flange finish forging die 1, the lower die assembly 2 comprises a fixed base 4 used for being connected and fixed with the ground, a stamping base 6 is arranged above the fixed base 4, anchoring bolts 5 are arranged around the stamping base 6 for fixing the base to prevent the base from deviating in the machining process, positioning columns 7 are arranged above the stamping base 6, six positioning columns 7 are arranged to provide positioning standards between an upper die and a lower die, a buffering limiting ring 8 is arranged at the bottom of each positioning column 7 to prevent parts from seriously deforming due to overlarge pressure in the forging process, a machining platform 9 is arranged on the inner side of each positioning column 7, a flange placing groove 10 is arranged on the outer surface of each machining platform 9 to limit flange pieces, an upper die assembly 3 is arranged above the lower die assembly 2, go up mould subassembly 3 including forging axle bed 11, the top of forging axle bed 11 is provided with hydraulic connecting block 12, the below of forging axle bed 11 is provided with stamping element piece 13, stamping element piece 13's surface is provided with design clamping ring 15, be provided with locating hole 14 around design clamping ring 15, can make up between reference column 7 and cup joint, and locating hole 14 has six, the inside of design clamping ring 15 is provided with arc punching block 16, a central hole region for positioning flange spare, also can thin to central hole department through pressure simultaneously, be convenient for going on of subsequent manufacturing procedure.

Further, lower mould subassembly 2 and the built-up connection of last mould subassembly 3, unable adjustment base 4 and anchor bolt 5 rotate through the internal thread to be connected, make things convenient for the staff to carry out the anchoring to the base, and unable adjustment base 4 passes through the draw-in groove with punching press base 6 to be connected, is convenient for install and dismantles.

Furthermore, punching press base 6 and reference column 7 welded connection strengthen stability, and

reference column

7 and 8 built-up connections of buffering spacing ring play the effect of buffering, punching press base 6 and processing platform 9 fixed connection.

Further, the forging shaft seat 11 is fixedly connected with the hydraulic connecting block 12 and the stamping element block 13, and the arc-shaped stamping block 16 and the shaping pressing ring 15 are fixedly connected with the stamping element block 13 to forge the flange piece.

Furthermore, the diameter of the positioning hole 14 is the same as that of the positioning column 7, and the diameter of the stamping base 6 is the same as that of the stamping element block 13, so that the positioning operation is facilitated, and the deviation is reduced.

The working principle is as follows: when in use, the fixing base 4 is connected and fixed with the ground through the anchoring bolt 5, the punching base 6 is placed above the fixing base 4, the hydraulic connecting block 12 on the upper die assembly 3 is connected and fixed with a hydraulic device on a punching machine tool, the positioning hole 14 on the punching element block 13 below the upper die assembly 3 needs to be aligned with the positioning column 7 on the punching base 6 during fixing, so that subsequent processing operation can accurately process parts, after the whole die is installed, the flange part to be processed is placed in the flange placing groove 10 in the center of the punching base 6, the flange placing groove 10 is of a circular structure, the forming of processing is facilitated, the upper die assembly 3 is pushed downwards to be punched through controlling the hydraulic device, and the shaping clamping ring 15 and the arc-shaped punching block 16 at the bottom of the upper die assembly 3 are pressed on the flange part in the placing groove, the arc punch 16 at the center can impact a semicircular arc groove on the surface of the part, so that the positioning of the central hole area of the flange piece is completed, and the thickness of the central hole area is lower than that of the whole flange piece due to the impact of pressure, thereby being beneficial to the subsequent processing procedure and operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A finish forging die for flange pieces comprises a flange finish forging die (1) and is characterized in that: the bottom of the flange finish forging die (1) is provided with a lower die assembly (2), the lower die assembly (2) comprises a fixed base (4), a stamping base (6) is arranged above the fixed base (4), anchoring bolts (5) are arranged around the stamping base (6), positioning columns (7) are arranged above the stamping base (6), six positioning columns (7) are arranged, the bottom of each positioning column (7) is provided with a buffering limiting ring (8), a processing platform (9) is arranged on the inner side of each positioning column (7), a flange placing groove (10) is arranged on the outer surface of each processing platform (9), an upper die assembly (3) is arranged above the lower die assembly (2), the upper die assembly (3) comprises a forging shaft seat (11), and a hydraulic connecting block (12) is arranged above the forging shaft seat (11), forging the below of axle bed (11) and being provided with punching press component piece (13), the surface of punching press component piece (13) is provided with design clamping ring (15), be provided with locating hole (14) around design clamping ring (15), and locating hole (14) have six, the inside of design clamping ring (15) is provided with arc punching block (16).

2. A finish forging die for a flange member as claimed in claim 1, wherein: lower mould subassembly (2) and last mould subassembly (3) built-up connection, unable adjustment base (4) are connected through the internal thread rotation with anchor bolt (5), unable adjustment base (4) are connected through the draw-in groove with punching press base (6).

3. A finish forging die for a flange member as claimed in claim 1, wherein: the punching press base (6) is connected with the positioning column (7) in a welding mode, the positioning column (7) is connected with the buffering limiting ring (8) in a combined mode, and the punching press base (6) is fixedly connected with the machining platform (9).

4. A finish forging die for a flange member as claimed in claim 1, wherein: the forging shaft seat (11) is fixedly connected with the hydraulic connecting block (12) and the stamping element block (13), and the arc-shaped stamping block (16) and the shaping pressing ring (15) are fixedly connected with the stamping element block (13).

5. A finish forging die for a flange member as claimed in claim 1, wherein: the diameter of the positioning hole (14) is the same as that of the positioning column (7), and the diameter of the stamping base (6) is the same as that of the stamping element block (13).