CN212310845U

CN212310845U - R angle processing die assembly

Info

Publication number: CN212310845U
Application number: CN202020834848.5U
Authority: CN
Inventors: 何考贤
Original assignee: Boluo Heshi Die Manufacturing Co ltd
Current assignee: Boluo Heshi Die Manufacturing Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-01-08
Anticipated expiration: 2030-05-18

Abstract

The utility model belongs to the technical field of powder metallurgy processing part, in particular to an R angle processing die assembly, which comprises a lower die, wherein the lower die comprises a first lower die block, an R angle connecting block and a second lower die block, one end of the first lower die block is abutted against a lower die holder, the other end of the first lower die block is fixedly connected with one end of the R angle connecting block, and the other end of the R angle connecting block is fixedly connected with one end of the second lower die block; through obtaining down the type by type piece integrated into one piece under first type piece, R angle connecting block and the second, the side of R angle connecting block is the arc surface, the side of type piece under the second with the arc surface of R angle connecting block is tangent, and the pressure that the type received under the fine release of R angle connecting block ability, the stress dispersion that the arc surface of R angle connecting block can receive is opened, has avoided down the type because the pressure that receives is too big and damages, has prolonged the life of type down.

Description

R angle processing die assembly

Technical Field

The utility model belongs to the technical field of powder metallurgy processing part, especially, relate to a R angle mold processing subassembly.

Background

Powder metallurgy blanking is generally formed by extruding powder through a powder forming machine, parts in the powder forming machine comprise a lower die assembly and an upper die assembly, the existing lower die assembly mainly comprises a lower die, a lower die base, a middle rod and the like, in the actual use process, the pressure born by the lower die is very large, the pressure born by each square centimeter reaches 21 tons, as shown in figure 1, the upper half part and the lower half part of the existing lower die are vertically connected, so that the lower die cannot disperse the huge pressure born by the lower die, and the lower die is easy to damage; as shown in fig. 2, there is another lower mold structure in which a chamfer structure is provided between an upper portion and a lower portion of the lower mold, but the pressure applied to the lower mold cannot be relieved well, resulting in a short service life of the lower mold.

Therefore, an R-angle processing die assembly is provided to solve the deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, an embodiment of the utility model provides a pair of R angle mold processing subassembly, including the type down, the type includes first type piece, R angle connecting block and second type piece down, the other end of first type piece with the one end fixed connection of R angle connecting block, the other end of R angle connecting block with the one end fixed connection of second type piece down.

Optionally, the lower mold is formed by integrally molding the first lower mold block, the R-angle connecting block and the second lower mold block.

Optionally, the side surface of the R-angle connecting block is an arc surface, and the side surface of the second lower molding block is tangent to the arc surface of the R-angle connecting block.

Optionally, the R angle processing mold assembly further comprises a middle rod, a lower die holder base plate, a lower die base, a first middle rod connecting rod and a second middle rod connecting rod, one end of the middle rod is located in the lower die, the other end of the middle rod is abutted to the first middle rod connecting rod, the lower die holder is abutted to the lower die holder, the lower die holder base plate is abutted to the lower die holder base plate, the lower die base is abutted to the lower die holder base plate, and the second middle rod connecting rod is abutted to the first middle rod connecting rod.

Optionally, the first lower molding block, the R-angle connecting block, and the second lower molding block are provided at intermediate positions thereof with first through holes matched with one end of the middle rod.

Optionally, a first cylindrical block is arranged at the other end of the middle rod, and the diameter of the first cylindrical block is larger than that of the first through hole.

Optionally, a second through hole matched with one end of the middle rod is formed in the middle of the lower die base, and a plurality of first connecting holes and a plurality of first mounting cavities are further formed in the lower die base.

Optionally, a third through hole matched with one end of the middle rod is formed in the middle of the lower die base plate, and a plurality of second connecting holes and a plurality of second mounting cavities are further formed in the lower die base plate.

Optionally, a fourth through hole is formed in the middle of the lower die base, the diameter of the fourth through hole is larger than that of the first cylindrical block, and a plurality of third installation cavities are further formed in the lower die base.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the R angle mold processing subassembly have one of following technological effect at least: through obtaining down the type by type piece integrated into one piece under first type piece, R angle connecting block and the second, the side of R angle connecting block is the arc surface, the side of type piece under the second with the arc surface of R angle connecting block is tangent, and the pressure that the type received under the fine release of R angle connecting block ability, the stress dispersion that the arc surface of R angle connecting block can receive is opened, has avoided down the type because the pressure that receives is too big and damages, has prolonged the life of type down.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a cross-sectional view of a conventional drag type.

Fig. 2 is a cross-sectional view of a conventional drag type.

Fig. 3 is a schematic structural diagram of the R-angle processing mold assembly provided by the embodiment of the present invention.

Fig. 4 is a schematic structural diagram of the R-angle processing mold assembly provided by the embodiment of the present invention.

Fig. 5 is a schematic structural view of an R-angle processing mold assembly provided by an embodiment of the present invention.

Fig. 6 is a cross-sectional view of a lower die according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of an R-angle processing mold assembly provided by the embodiment of the present invention.

The die comprises a lower die 1, a middle rod 2, a lower die base 3, a lower die base cushion plate 4, a lower die base 5, a first middle rod connecting rod 6, a second middle rod connecting rod 7, a first lower block 11, an R angle connecting block 12, a second lower block 13, a first through hole 14, a first cylindrical block 21, a second through hole 31, a first connecting hole 32, a first mounting cavity 33, a third through hole 41, a second connecting hole 42, a second mounting cavity 43, a fourth through hole 51 and a third mounting cavity 52.

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 by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 3 and 4, an R angle processing mold assembly includes a lower mold 1, a middle rod 2, a lower mold base 3, a lower mold base cushion plate 4, a lower mold base 5, a first middle rod connecting rod 6 and a second middle rod connecting rod 7, one end of the middle rod 2 is located in the lower mold 1, the other end of the middle rod 2 is abutted to the lower surface of the first middle rod connecting rod 6, the lower surface of the lower mold base 3 is abutted to the upper surface of the lower mold base 1, the lower surface of the lower mold base cushion plate 4 is abutted to the upper surface of the lower mold base 3, the lower surface of the lower mold base 5 is abutted to the upper surface of the lower mold base cushion plate 4, and the lower surface of the second middle rod connecting rod 7 is abutted to the upper surface of the first middle rod connecting rod 6.

Referring to fig. 5 and 6, the lower die 1 includes a first lower die block 11, an R-angle connecting block 12, and a second lower die block 13, one end of the first lower die block 11 abuts against the lower die base 3, the other end of the first lower die block 11 is fixedly connected to one end of the R-angle connecting block 12, and the other end of the R-angle connecting block 12 is fixedly connected to one end of the second lower die block 13; in this embodiment, the lower die 1 is formed by integrally molding the first lower die block 11, the R-angle connecting block 12 and the second lower die block 13.

And first through holes 14 matched with one end of the middle rod 2 are formed in the middle positions of the first lower molding block 11, the R-angle connecting block 12 and the second lower molding block 13.

The side of the R angle connecting block 12 is an arc surface, and the side of the second lower molding block 13 is tangent to the arc surface of the R angle connecting block 12.

The arc surface of the R-angle connecting block 12 is composed of a plurality of arcs, and in this embodiment, the size of the arc varies from R5 to R30.

Referring to fig. 7, a first cylindrical block 21 is provided on the other end of the middle rod 2, and the diameter of the first cylindrical block 21 is larger than that of the first through hole 14.

The middle position of the lower die holder 3 is provided with a second through hole 31 matched with one end of the middle rod 2, and the lower die holder 3 is further provided with a plurality of first connecting holes 32 and a plurality of first mounting cavities 33.

The middle position of the lower die base cushion plate 4 is provided with a third through hole 41 matched with one end of the middle rod 2, and the lower die base cushion plate 4 is further provided with a plurality of second connecting holes 42 and a plurality of second mounting cavities 43.

A fourth through hole 51 is formed in the middle of the lower die base 5, the diameter of the fourth through hole 51 is larger than that of the first cylindrical block 21, and a plurality of third installation cavities 52 are further formed in the lower die base 5.

When the R-angle machining die assembly is assembled in this embodiment, one end of the middle rod 2 sequentially penetrates through the lower die base 5, the lower die base cushion plate 4 and the lower die base 3 and then is inserted into the lower die 1, the other end of the middle rod 2 is abutted and fixed with the first middle rod connecting rod 6, the first middle rod connecting rod 6 is abutted and fixed with the second middle rod connecting rod 7, the lower die base cushion plate 4 is abutted and fixed with the lower die base 5, the lower die base 3 is abutted and fixed with the lower die base cushion plate 4, and the lower die 1 is abutted and fixed with the lower die base 3; when this R angle mold processing subassembly used, the fine release of R angle connecting block 12 ability type 1 pressure that receives down, the stress dispersion that receives can be separated to the arc surface of R angle connecting block 12, has avoided type 1 damages owing to the pressure that receives is too big down, has prolonged type 1's life.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a R angle mold processing subassembly, includes the type down, its characterized in that, the type includes first type piece, R angle connecting block and second type piece down, the other end of first type piece with the one end fixed connection of R angle connecting block, the other end of R angle connecting block with the one end fixed connection of second type piece down.

2. The R-angle machining die assembly according to claim 1, wherein the lower die is formed by integrally molding the first lower die block, the R-angle connecting block and the second lower die block.

3. The R-angle machining die assembly according to claim 2, wherein the side surface of the R-angle connecting block is a circular arc surface, and the side surface of the second drag block is tangent to the circular arc surface of the R-angle connecting block.

4. The R angle processing mold assembly according to claim 2 or 3, further comprising a middle rod, a lower mold base cushion plate, a lower mold base, a first middle rod connecting rod and a second middle rod connecting rod, wherein one end of the middle rod is located in the lower mold, the other end of the middle rod is abutted to the first middle rod connecting rod, the lower mold base is abutted to the lower mold base cushion plate, and the second middle rod connecting rod is abutted to the first middle rod connecting rod.

5. The angle R processing die assembly according to claim 4, wherein a first through hole that matches one end of the center bar is provided at an intermediate position of each of the first drag block, the angle R connecting block, and the second drag block.

6. The R-angle machining die assembly according to claim 5, wherein a first cylindrical block having a diameter larger than that of the first through hole is provided on the other end of the middle rod.

7. The R-angle machining die assembly according to claim 6, wherein a second through hole matched with one end of the middle rod is formed in the middle of the lower die base, and a plurality of first connecting holes and a plurality of first mounting cavities are further formed in the lower die base.

8. The R-angle processing die assembly according to claim 4, wherein a third through hole matched with one end of the central rod is formed in the middle of the lower die base plate, and a plurality of second connecting holes and a plurality of second mounting cavities are formed in the lower die base plate.

9. The R-angle machining die assembly according to claim 6 or 7, wherein a fourth through hole is formed in a middle position of the lower die base, the diameter of the fourth through hole is larger than that of the first cylindrical block, and a plurality of third mounting cavities are formed in the lower die base.