CN219112785U - Forming die of approximate oval titanium ring - Google Patents

Abstract

The utility model provides a forming die of an approximately elliptical titanium ring, which sequentially comprises a first ring, a second ring and a core die from inside to outside, wherein the forming die comprises an upper die, a lower die and the core die, working surfaces of the upper die and the lower die, which are opposite, are arc-shaped, the arc-shaped radian is the same as that of the second ring, the whole core die is plate-shaped, two ends of a long shaft of the core die are of a plane structure, two ends of a short shaft of the core die are of arc-shaped structures, and the arc-shaped structures are attached to the arcs at two ends of the short shaft of the first ring. The forming die provided by the utility model can be used for forming to obtain the approximate oval titanium ring, and is simple in structure, easy to manufacture, low in die material requirement and low in production cost.

Description

Forming die of approximate oval titanium ring

Technical Field

The utility model relates to the field of plastic processing of metal materials, in particular to a forming die of an approximately elliptical titanium ring.

Background

The circular titanium ring is a common forging, the preparation process is relatively mature, and the approximate elliptical ring forging belongs to a metal product with a special shape. The forging ring has the characteristics of large length-width ratio, thinner wall thickness and larger volume, and titanium alloy have the characteristics of difficult deformation, and the forging product has difficult forming and higher production cost. Therefore, the approximately elliptical titanium ring has little development and application.

The prior art with publication number CN104874977a discloses a forming die for titanium and titanium alloy elliptical ring material, comprising: an upper die, a lower die and a core die; the working surfaces of the upper die and the lower die, which are opposite, are arc-shaped, and the radian of the arc-shaped working surfaces is the same as that of the titanium and titanium alloy elliptical ring material; the whole core die is bar-shaped and comprises a working section and a clamping section; the working section is elliptical and is coaxially positioned at the central shaft part of the titanium and titanium alloy elliptical ring blank and used for positioning the titanium and titanium alloy elliptical ring blank during molding; the clamping section is connected with the manipulator, so that the working section is always positioned at the central shaft part of the titanium and titanium alloy elliptical ring blank when the titanium and titanium alloy elliptical ring is formed; the short axis of the inner ring of the titanium and titanium alloy elliptical ring material is equal to the short axis of the working section in length. The prior art has the following problems that (1) the working section of the core mold is elliptical, and only elliptical titanium rings can be generated; (2) The surface of the working section is provided with a draft angle, so that the machining allowance of the inner diameter of the elliptical titanium ring is increased, and the production cost is high; (3) The mandrel comprises a clamping end and a working section, the mandrel is heavy in mass, and the requirement on using equipment is high.

Disclosure of Invention

In view of the above, the present utility model aims to provide a forming mold for an oval titanium ring, so as to solve the problem that in the prior art, the working section of the core mold is oval, and only an oval titanium ring can be produced; the surface of the working section is provided with a draft angle, so that the machining allowance of the inner side of the elliptical titanium ring is increased, and the production cost is high; the mandrel comprises a clamping end and a working section, the mandrel is heavy in quality, and the requirement on using equipment is high.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a forming die of approximate oval titanium ring, the titanium ring includes first ring, second ring from inside to outside in proper order, forming die includes mould, lower mould and mandrel, wherein, go up the mould with the working face that the lower mould is relative is the arc, and the arc radian with the radian of titanium ring is the same, the mandrel is whole to be plate form, the major axis both ends of mandrel are planar structure, the minor axis both ends of mandrel are arc structure, and this arc structure is laminated with the arc at the minor axis both ends of first ring.

The arrangement can produce the approximate elliptic titanium ring, the die has simple structure and low requirement on die materials, and is suitable for producing the approximate elliptic titanium ring in a large area.

Further, the mandrel comprises a first curve, a first straight line, a second curve and a second straight line which are sequentially connected, the first curve and the second curve are arc structures at two ends of the short axis of the mandrel, the first curve is attached to a first ring at the upper end of the long axis, the second curve is attached to a first ring at the lower end of the long axis, the first straight line and the second straight line are plane structures at two ends of the long axis of the mandrel, and the first straight line is parallel to the second straight line.

The setting can satisfy titanium ring integral molding requirement, makes mandrel weight lighten again, and length diminishes, convenient to use.

Further, the length of the long axis of the first ring is W1, the length of the short axis of the first ring is W2, the length of the long axis of the core mold is W3, and the W3/W1 is 60-80%.

This arrangement makes it easier for the mandrel to be placed into the round titanium blank prior to forming.

Further, the mandrel is further provided with a rectangular through hole, and the center of the rectangular through hole coincides with the center of the mandrel.

This setting makes things convenient for utilize fork truck's yoke to insert in the rectangle through-hole, then place the mandrel in the blank, simplifies the mandrel structure, and makes the mandrel put into the titanium in-loop more easily.

Further, arc chamfers with the radius of 10-20 mm are arranged at the joints of the two ends of the short shaft and the two ends of the long shaft of the core mold.

The setting of this chamfer is in order to avoid causing the damage to the titanium ring when using, improves the quality of titanium ring.

Further, the forming die further comprises at least one first baffle plate which is arranged on the upper die and is in contact with the core die.

The titanium ring and the core mold can be positioned by the arrangement, and falling is prevented.

Further, the forming die further comprises a second baffle plate, the second baffle plate is arranged on the lower die and is in contact with the core die, and the first baffle plate and the second baffle plate are arranged in parallel.

Further, one end of the first baffle is close to the arc-shaped structure of the upper die, the other end of the first baffle is in contact with the first curve, one end of the second baffle is close to the arc-shaped structure of the lower die, and the other end of the second baffle is in contact with the second curve of the core die.

Further, the widths of the first baffle plate and the second baffle plate are 30-60 mm.

Further, the upper die is of a cuboid shape, the upper end of the upper die is of a plane structure, an opening structure is arranged at the lower end of the upper die, the opening structure is of a concave cambered surface, and the concave cambered surface is attached to the second ring.

This arrangement enables the formation of a workpiece that approximates an oval titanium ring.

Further, the lower die and the upper die are in the same size, and the lower die and the upper die are symmetrically arranged about a horizontal center line between the upper die and the lower die.

The arrangement can simplify the manufacturing cost of the upper die and the lower die, simplify the die equipment for manufacturing the upper die and the lower die and reduce the equipment cost.

Compared with the prior art, the forming die for the approximately elliptical titanium ring provided by the utility model is characterized in that the forming die is a die body. Has the following advantages:

1) The forming die used by the utility model has the advantages of simple structure, easy manufacture, low requirement on die materials and low production cost.

2) The utility model is used for forming the approximate elliptic titanium ring, has simple and easy operation and low equipment requirement, and can mass-produce the approximate elliptic titanium ring.

Drawings

FIG. 1 is a schematic diagram of a molding structure of an approximately elliptical titanium ring according to the present utility model:

fig. 2 is a schematic diagram of a molding structure of an approximately elliptical titanium ring according to the present utility model:

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a schematic diagram of the upper mold structure of the molding mold of the present utility model;

FIG. 5 is a schematic diagram of a core mold structure of a molding die according to the present utility model;

FIG. 6 is a schematic view of the structure of the titanium ring of the present utility model.

Description of the reference numerals

1-upper die, 11-first baffle, 2-lower die, 21-second baffle, 3-mandrel, 31-first curve, 32-second curve, 33-first straight line, 34-second straight line, 35-rectangular through hole, 4-titanium ring, 41-first ring, 42-second ring.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. In addition, the following description will be briefly made with respect to the azimuth in the following embodiments: reference to directions or positional relationships indicated by "upper", "lower", "left", "right", "front", "rear", etc. in the embodiments refers to the orientation or positional relationship shown in the drawings.

The utility model relates to a forming die of an approximately elliptical titanium ring, which is used for producing the titanium ring 4, wherein the weight of the titanium ring is about 44kg, the titanium ring 4 comprises a first ring 41 and a second ring 42, the first ring 41 is positioned on the inner periphery of the titanium ring 4, the second ring 42 is positioned on the outer periphery of the titanium ring 4, the length of the long axis of the first ring 41 is W1, and the length of the short axis of the first ring 41 is W2. The titanium ring is made of one of titanium or titanium alloy.

Specifically, the blank before the titanium ring is formed is in a circular ring shape, and the forming die is manufactured through a machining process and specifically comprises an upper die 1, a lower die 2 and a core die 3; the working face of the upper die 1 opposite to the working face of the lower die 2 is arc-shaped, the arc of the arc is identical to that of the titanium ring, the whole core die 3 is plate-shaped, the two ends of the long shaft of the core die 3 are planar structures, the two ends of the short shaft of the core die 3 are arc-shaped structures, and the arc-shaped structures are in arc fit with the two ends of the short shaft of the first ring 41.

More specifically, the arc structure of the upper die 1 is attached to the second ring 42 at the upper end of the long shaft, and the arc structure of the lower die is attached to the second ring 42 at the lower end of the long shaft.

Specifically, the structural dimensions of the lower die 2 and the upper die 1 are consistent, and the lower die 2 and the upper die 1 are symmetrically arranged about a horizontal center line between the upper die 1 and the lower die 2.

More specifically, the upper die 1 is in a cuboid shape, the thickness of the upper die 1 is W4, W4 is less than or equal to 160mm, the upper end of the upper die is in a plane structure, the lower end of the upper die is provided with an opening structure and is provided with a concave cambered surface, the concave cambered surface is attached to the second ring 42 at the upper end of the long shaft, and the linear dimension of the concave cambered surface is matched with the linear dimension of the second ring cambered surface at the upper end of the long shaft.

More specifically, the lower die 2 is in a cuboid shape, the thickness of the lower die 2 is W4, W4 is less than or equal to 160mm, the lower end of the lower die 2 is in a plane structure, the upper end of the lower die is provided with an opening structure, the opening structure is arranged on a concave cambered surface, the concave cambered surface is attached to the second ring 42 at the lower end of the long shaft, and the linear dimension of the concave cambered surface is matched with the linear dimension of the cambered surface of the second ring at the lower end of the long shaft.

Specifically, the plane structure of the upper die 1 is connected with a press, the opening structure of the upper die 1 faces downwards, the plane structure of the lower die 2 is contacted with the working plane surface of the press, and the opening structure of the lower die 2 faces upwards.

And then specifically, the plane structure of the upper die 1 is firmly connected with the plane contact of the movable slide block of the press, and the plane structure of the lower die 2 is firmly connected with the plane surface of the working platform of the press.

The forming die further comprises at least one first baffle 11, and the first baffle 11 is disposed on the upper die 1 and contacts the core die 3.

Specifically, the molding die further includes a second shutter 21, the second shutter 21 is disposed on the lower die 2 and contacts the core die 3, and the first shutter 11 is disposed in parallel with the second shutter 21.

More specifically, the first baffle is disposed at the rear of the upper die and is close to the arc structure, the second baffle is disposed at the rear of the lower die and is close to the arc structure, and the first baffle 11 and the second baffle 21 play roles of positioning the titanium ring and the core die and preventing falling, because the vertical directions of the upper die, the lower die, the titanium ring and the core die in the drawing are vertical to the ground when the actual titanium ring is formed.

Specifically, one end of the first baffle is close to the arc-shaped structure of the upper die, the other end of the first baffle is in contact with the first curve of the core die, one end of the second baffle is close to the arc-shaped structure of the lower die, and the other end of the second baffle is in contact with the second curve of the core die.

Preferably, the first baffle plate/the second baffle plate are perpendicular to the plane structure of the upper die.

Specifically, the widths of the first baffle plate and the second baffle plate are W6, and the W6 is 30-60 mm.

Specifically, the width of the titanium ring is W5, and W5 is 30-50 mm.

Specifically, the core mold 3 includes a first curve 31, a first straight line 32, a second curve 33, and a second straight line 34 that are sequentially connected, the first curve 31 and the second curve 33 are arc structures at two ends of a short axis of the core mold 3, the first curve 31 and the second curve 33 are symmetrical about a horizontal central line of the core mold, the first curve 31 is attached to a first ring 41 at an upper end of a long axis, the second curve 33 is attached to a first ring 41 at a lower end of the long axis, the first straight line 32 and the second straight line 34 are plane structures at two ends of a long axis of the core mold 3, the first straight line 32 and the second straight line 34 are symmetrical about a short axis of the core mold, and the first straight line 32 is parallel to the second straight line 34.

More specifically, the first curve 31 is located at the upper end of the core mold 3, the second curve 33 is located at the lower end of the core mold 3, the first straight line 32 is located at the right end of the core mold 3, and the second straight line 34 is located at the left end of the core mold 3.

Specifically, the thickness of the core mold 3 is W4, wherein W4 is less than or equal to 160mm, and more specifically, W4 is 140-160 mm.

Specifically, the connection parts of the two ends of the short shaft and the two ends of the long shaft of the core mold 3 are respectively provided with an arc chamfer with the radius of 10-20 mm, and the arrangement prevents puncture during the formation of the titanium ring and improves the quality of the titanium ring.

Specifically, the length of the long axis of the mandrel 3 is W3, wherein W3/W1 is 60-80%, and the mandrel is easy to be placed in a round pipe before the titanium ring is formed.

Specifically, the short axis length W4 of the core mold 3 is the same as the short axis length W2 of the first ring 41.

Specifically, the mandrel 3 is further provided with a rectangular through hole 35, the center of the rectangular through hole 35 coincides with the center of the mandrel 3, preferably, the rectangular through hole 35 is rectangular, the rectangular through hole 35 is convenient for inserting a fork arm of a forklift into the rectangular through hole, and then the mandrel is placed in a round blank before forming.

The arc-shaped portions of the upper die 1, the lower die 2, and the core die 3 of the forming die are designed according to the approximate elliptical dimensions of the approximate elliptical blank, and the embodiment of the present utility model is not particularly limited herein.

The use process of the forming die comprises the following steps:

when the press machine works, the movable slide block of the press machine descends, the upper die 1 moves downwards to be in contact with the high-temperature titanium ring workpiece arranged on the cambered surface of the lower die 2 in advance, and the ring workpiece is pressed and deformed. When the height of the inner hole of the workpiece and the short axial ratio of the core mold 3 are not less than 1.1, the movement of the upper mold 1 is stopped, the core mold 3 is rapidly and stably placed in the center of the inner hole of the workpiece, the upper mold 1 continues to move until the opening end of the upper mold 1 is in contact alignment with the opening end of the lower mold 2, and at the moment, the concave cambered surfaces of the upper mold 1 and the lower mold 2 and the cambered surface of the core mold 3 form a complete approximate elliptical annular cavity. The workpiece deforms under the combined action of the three components to meet the target size requirement.

The mould used according to the utility model has been used for the production of the upper hundred approximate elliptic titanium ring pieces, wherein the size of the titanium ring meets the requirement, and the utility model has low equipment requirement, high production efficiency and low production cost.

Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.

Claims (10)

1. The utility model provides a forming die of approximate oval titanium ring, titanium ring (4) are by interior and outside including first ring (41), second ring (42) in proper order, a serial communication port, forming die includes mould (1), lower mould (2) and mandrel (3) at least, wherein, go up mould (1) with the working face that lower mould (2) is relative is the arc, and curved radian with the radian of titanium ring (4) is the same, mandrel (3) are whole to be plate form, the major axis both ends of mandrel (3) are planar structure, the minor axis both ends of mandrel (3) are arc structure, and this arc structure is laminated with the arc at the minor axis both ends of first ring (41).

2. The forming die according to claim 1, wherein the mandrel (3) comprises a first curve (31), a first straight line (32), a second curve (33) and a second straight line (34) which are sequentially connected, the first curve (31) and the second curve (33) are arc structures at two ends of a short axis of the mandrel (3), the first curve (31) is attached to a first ring (41) at the upper end of the long axis, the second curve (33) is attached to a first ring (41) at the lower end of the long axis, the first straight line (32) and the second straight line (34) are plane structures at two ends of the long axis of the mandrel (3), and the first straight line (32) is parallel to the second straight line (34).

3. The molding die according to claim 1, wherein the length of the major axis of the first ring (41) is W1, the length of the minor axis of the first ring (41) is W2, the length of the major axis of the core mold (3) is W3, and the W3/W1 is 60 to 80%.

4. The forming die according to claim 1, characterized in that the core die (3) is further provided with a rectangular through hole (35), the center of the rectangular through hole (35) coincides with the center of the core die (3).

5. The forming die according to claim 1, characterized in that arc chamfers with a radius of 10-20 mm are provided at the junctions of both ends of the short axis and both ends of the long axis of the core die (3).

6. The forming die according to claim 2, characterized in that it further comprises at least one first baffle (11), said first baffle (11) being arranged on the upper die (1) and in contact with the mandrel (3).

7. The forming die according to claim 6, characterized in that the forming die further comprises a second shutter (21), the second shutter (21) being provided on the lower die (2) and in contact with the core die (3), the first shutter (11) being provided in parallel with the second shutter (21).

8. The forming die according to claim 7, wherein one end of the first baffle (11) is close to the arc structure of the upper die (1), the other end of the first baffle (11) is in contact with the first curve (31), one end of the second baffle (21) is close to the arc structure of the lower die (2), and the other end of the second baffle (21) is in contact with the second curve (33) of the core die.

9. The forming die according to claim 8, wherein the widths of the first baffle (11) and the second baffle (21) are each 30-60 mm.

10. The forming die of claim 1, wherein the upper die (1) is in a cuboid shape, the upper end of the upper die (1) is in a planar structure, an opening structure is arranged at the lower end of the upper die (1), the opening structure is a concave cambered surface, and the concave cambered surface is attached to the second ring (42).

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