CN213350669U

CN213350669U - Positioning core rod die for rail train bogie key

Info

Publication number: CN213350669U
Application number: CN202021726551.3U
Authority: CN
Inventors: 周洋
Original assignee: Anhui Jinzhengda Precision Forging Technology Co ltd
Current assignee: Anhui Jinzhengda Precision Forging Technology Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-06-04
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a rail train bogie key location plug mould, including terrace die and die, terrace die and die correspond the setting from top to bottom, the lower surface of terrace die is provided with first mould and holds the base face, the fixed position in the middle part of the surface that first mould held the base face is provided with first trimming groove, the fixed position in the middle part of the surface in first trimming groove is provided with first die cavity, the surperficial outside in first trimming groove is provided with and hinders the material ditch, the upper surface of die is provided with the second mould and holds the base face, the fixed position in the middle part of the surface that the second mould held the base face is provided with the second trimming groove, the fixed position in the middle part of the surface in second trimming groove is provided with the second die cavity. The utility model discloses in, it blocks that the metal flows into the overlap groove to establish the material blocking ditch on the terrace die, enables the metal and is full of the die cavity better to the cooperation overlap groove holds unnecessary metal in the die cavity, and unnecessary metal can play the cushioning effect, reduces mould wearing and tearing, increases life-span.

Description

Positioning core rod die for rail train bogie key

Technical Field

The utility model relates to a rail train is location plug field for the bogie especially relates to the critical location plug mould of rail train bogie.

Background

The positioning core rod is formed by selecting a bar stock with a corresponding size, putting the bar stock into an intermediate frequency furnace for heating, and after heating is finished, putting raw materials into corresponding upper and lower dies for final forming, namely corresponding upper and lower die assembly forming operation.

The general location plug shaping mould structure sets up comparatively singly, can not guarantee that the metal can be fine be full of the die cavity to often can lead to the shaping failure, the inside wearing and tearing that still can increase the mould that are not full of die cavity reduce mould life, and the shape of die cavity sets up briefly, can simply take out after the shaping unable assurance forging, and the phenomenon of forging card in the die cavity very easily appears, influences holistic production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a key positioning core rod die of a rail train bogie.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the key location plug mould of rail train bogie, including terrace die and die, terrace die and die correspond the setting from top to bottom, the lower surface of terrace die is provided with first mould and holds the base face, the fixed first trimming groove that is provided with in surface middle part position of first mould holding the base face, the fixed first die cavity that is provided with in surface middle part position of first trimming groove, the surperficial outside in first trimming groove is provided with and hinders the material ditch, the upper surface of die is provided with second mould and holds the base face, the fixed second trimming groove that is provided with in surface middle part position of second mould holding the base face, the fixed second die cavity that is provided with in surface middle part position of second trimming groove.

As a further description of the above technical solution:

the utility model discloses a die cavity, including first die cavity, second die cavity, first die cavity, the inside outside position of cavity of first die cavity is provided with pulls out the skew wall outward, the inclination that pulls out the skew wall outward sets up to 7, the inside inboard position of cavity of first die cavity is provided with pulls out the skew wall in, the inclination that pulls out the skew wall in sets up to 15, it all sets up to R15 fillet with the inner wall linking corner of first die cavity to pull out the skew wall outward and pull out the skew wall in with, the second die.

As a further description of the above technical solution:

the avris lower surface of first die cavity sets up the lower surface that protrudes first fly edge groove, the avris lower surface of second die cavity sets up the upper surface that protrudes second fly edge groove.

As a further description of the above technical solution:

the material blocking grooves are relatively located on the outer side of the cavity of the first die cavity, and four material blocking grooves are arranged on two sides of the cavity of the first die cavity.

As a further description of the above technical solution:

four corners of the lower surface of the male die are provided with positioning lugs, four corners of the upper surface of the female die are provided with positioning grooves, and the positioning lugs and the positioning grooves are arranged in a vertically corresponding mode.

As a further description of the above technical solution:

the lower surface of the positioning lug is lower than that of the first flash groove, and the length of the positioning lug is equal to the depth of the positioning groove.

The utility model discloses following beneficial effect has:

1. the utility model discloses among the critical location plug mould of rail train bogie, set up on the terrace die and hinder the material ditch and stop that the metal flows in the overlap groove, enable the metal and be full of the die cavity better to the cooperation overlap groove holds unnecessary metal in the die cavity, and unnecessary metal can play the effect of buffering, reduces mould wearing and tearing, increase of service life.

2. The utility model discloses among the critical location plug mould of rail train bogie, the die cavity is inside to be pulled out the skew wall outward and is less than interior draft die skew wall angle, and the forging is taken out from the die cavity more easily like this, increases production efficiency, reduces manufacturing cost, is difficult to appear the product card in the die cavity, and the practicality is higher.

Drawings

FIG. 1 is a front view of a key positioning mandrel die of a rail train bogie;

FIG. 2 is a bottom view of the male mold of a key positioning core rod mold of a railway train bogie;

FIG. 3 is a top view of a female die of a key positioning mandrel die of a rail train bogie;

fig. 4 is a diagram of a die cavity structure of a positioning core rod die of the railway train bogie.

Illustration of the drawings:

1. a male die; 2. a female die; 3. a first flash tank; 4. a first mold cavity; 5. a material blocking groove; 6. a first mold bearing surface; 7. positioning the bump; 8. a second flash tank; 9. a second mold cavity; 10. a second mold bearing surface; 11. positioning a groove; 12. the inclined wall is pulled out; 13. the inclined wall is pulled inwards.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated 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.

Referring to fig. 1-4, the present invention provides an embodiment: a key positioning core rod die of a railway train bogie comprises a male die 1 and a female die 2, wherein an upper die closing die structure and a lower die closing die structure are provided, the male die 1 and the female die 2 are arranged up and down correspondingly, a first die bearing surface 6 is arranged on the lower surface of the male die 1 and provides a relative bearing surface, a first flash groove 3 is fixedly arranged in the middle of the surface of the first die bearing surface 6 and provides a flash position, a first die cavity 4 is fixedly arranged in the middle of the surface of the first flash groove 3 and provides a die cavity structure on the upper side, a material blocking groove 5 is arranged on the outer side of the surface of the first flash groove 3 to achieve material blocking operation and prevent metal from flowing into a second flash groove 8, a second die bearing surface 10 is arranged on the upper surface of the female die 2 and provides a relative bearing surface, a second flash groove 8 is fixedly arranged in the middle of the surface of the second die bearing surface 10 and provides a flash position, and a second die cavity 9 is fixedly arranged in the, providing a corresponding mold cavity on the underside.

An outer pulling inclined wall 12 is arranged at the outer side position inside the cavity of the first die cavity 4, the inclination angle of the outer pulling inclined wall 12 is set to be 7 degrees, an inner pulling inclined wall 13 is arranged at the inner side position inside the cavity of the first die cavity 4, the inclination angle of the inner pulling inclined wall 13 is set to be 15 degrees, the angle of the inner pulling inclined wall 13 is larger than that of the outer pulling inclined wall 12, the casting can be simply taken out from the inside of the die cavity, the joint corners of the outer pulling inclined wall 12 and the inner pulling inclined wall 13 and the inner wall of the first die cavity 4 are both set to be R15 round corners, so that metal can more easily flow into the die cavity, the phenomenon that the folding defect occurs due to the concentration of forming stress can be prevented, the upper and lower corresponding structures of the second die cavity 9 and the first die cavity 4 are the same, the lower surface of the first die cavity 4 protrudes out of the first flash groove 3, the lower surface of, make the flash groove carry out corresponding effect, it is located the cavity outside of first die cavity 4 relatively to hinder material ditch 5, it is provided with four in the cavity both sides of first die cavity 4 to hinder material ditch 5, guarantee to hinder the material effect, four turnings of the lower surface of terrace die 1 all are provided with locating lug 7, four turnings of the upper surface of die 2 all are provided with constant head tank 11, and locating lug 7 and constant head tank 11 correspond the setting from top to bottom, the accurate location compound die of mould about realizing, the lower surface place face of locating lug 7 is less than the lower surface place face of first flash groove 3, the length setting of locating lug 7 is the same with the degree of depth of constant head tank 11, ensure to dock accurately.

The working principle is as follows: when the positioning core rod is manufactured, a bar stock with the diameter of 130 x 130mm is selected, the bar stock is heated at the temperature of 1150-plus 1180 ℃, after heating is completed, a blank is manufactured, the blank is placed between the male die 1 and the female die 2, corresponding forging is performed on the male die 1 and the female die 2, in the forging process, the fillet inside the die cavity is R15, metal can better flow into the die cavity, when the male die 1 and the female die 2 are tightly combined, a relative flash position is provided between the first flash groove 3 and the second flash groove 8, the material blocking groove 5 on the male die 1 can firstly block the metal from entering the flash groove, so that the metal can better enter the die cavity, after forming is completed, the outer pulling inclined wall 12 inside the die cavity is provided with an angle smaller than the inner pulling inclined wall 13, so that the forge piece can be simply and conveniently taken out, and the redundant flash is removed after the forge piece is taken out, and the manufacturing of the positioning core rod can be completed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The key positioning core rod die of the railway train bogie comprises a male die (1) and a female die (2), and is characterized in that: the punch (1) and the die (2) are arranged in a vertically corresponding mode, a first die bearing base face (6) is arranged on the lower surface of the punch (1), a first trimming groove (3) is fixedly arranged in the middle of the surface of the first die bearing base face (6), a first die cavity (4) is fixedly arranged in the middle of the surface of the first trimming groove (3), a material blocking groove (5) is arranged on the outer side of the surface of the first trimming groove (3), a second die bearing base face (10) is arranged on the upper surface of the die (2), a second trimming groove (8) is fixedly arranged in the middle of the surface of the second die bearing base face (10), and a second die cavity (9) is fixedly arranged in the middle of the surface of the second trimming groove (8).

2. The rail train bogie key positioning mandrel die of claim 1, wherein: the utility model discloses a die cavity, including first die cavity (4), the inside outside position of cavity of first die cavity (4) is provided with and pulls out skew wall (12) outward, the inclination that pulls out skew wall (12) outward sets up to 7, the inside inboard position of cavity of first die cavity (4) is provided with and pulls out skew wall (13), the inclination that pulls out skew wall (13) in sets up to 15, it all sets up to R15 fillet with the inner wall linking corner of pulling out skew wall (13) and first die cavity (4) outward, second die cavity (9) correspond the structure the same from top to bottom with first die cavity (4).

3. The rail train bogie key positioning mandrel die of claim 1, wherein: the avris lower surface of first die cavity (4) sets up the lower surface that protrudes first fly edge groove (3), the avris lower surface of second die cavity (9) sets up the upper surface that protrudes second fly edge groove (8).

4. The rail train bogie key positioning mandrel die of claim 1, wherein: the material blocking grooves (5) are relatively located on the outer side of the cavity of the first mold cavity (4), and four material blocking grooves (5) are arranged on two sides of the cavity of the first mold cavity (4).

5. The rail train bogie key positioning mandrel die of claim 1, wherein: four corners of the lower surface of the male die (1) are provided with positioning lugs (7), four corners of the upper surface of the female die (2) are provided with positioning grooves (11), and the positioning lugs (7) and the positioning grooves (11) are arranged up and down correspondingly.

6. The rail train bogie key positioning mandrel die of claim 5, wherein: the lower surface of the positioning bump (7) is lower than the lower surface of the first flash groove (3), and the length of the positioning bump (7) is the same as the depth of the positioning groove (11).