CN220942835U - Concave cylindrical workpiece stamping die - Google Patents

Abstract

The utility model provides an inward concave cylindrical workpiece stamping die which comprises a lower die and an upper die, wherein the lower die consists of a lower die bottom plate, a female die component and a male die component, a lower die fixing plate is arranged at the top of the lower die bottom plate, the male die component is arranged at the center of the top of the lower die fixing plate, and the female die component is arranged at the top of the lower die fixing plate at the outer side of the male die component; the utility model has reasonable structure and good use effect after adopting the scheme.

Description

Concave cylindrical workpiece stamping die

Technical Field

The utility model relates to the technical field of dies, in particular to a concave cylindrical workpiece stamping die.

Background

Most of existing workpiece stamping dies are split, when a workpiece is machined, a plurality of split inner dies are firstly placed into the workpiece, then the split inner dies are assembled and fixed, then the split outer dies are mounted on the outer side of the workpiece, then the workpiece is machined by stamping, and after machining, the outer dies and the inner dies are required to be split and removed.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the concave cylindrical workpiece stamping die which is reasonable in structure and good in use effect.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the stamping die comprises a lower die and an upper die, wherein the lower die consists of a lower die bottom plate, a female die component and a male die component, a lower die fixing plate is arranged at the top of the lower die bottom plate, the male die component is arranged at the center of the top of the lower die fixing plate, and the female die component is arranged at the top of the lower die fixing plate outside the male die component; the upper die comprises an upper die lifting plate, a buffer plate is arranged at the center of the bottom of the upper die lifting plate, a pressing block is arranged at the bottom of the buffer plate, an upper die fixing ring is arranged at the bottom of the upper die lifting plate outside the buffer plate, an upper die fixing plate is arranged at the bottom of the upper die fixing ring, an upper die pressing edge is arranged at the outer side of the bottom of the upper die fixing plate, and an upper die is integrally formed by extending the inner side of the upper die pressing edge.

The male die assembly comprises a male die bottom plate and a male die, wherein the male die bottom plate is annular, the male die bottom plate is arranged at the center of the top of the lower die fixing plate, the male die is annular formed by male die units with the number more than 2, the male die is arranged at the top of the male die bottom plate, a stamping column is arranged in the male die, a spring chamber formed by concave is arranged at the center of the bottom of the stamping column, a spring is arranged in the spring chamber, and the bottom of the spring downwards passes through the spring chamber to be in contact with the lower die fixing plate; the die assembly comprises a die fixing ring, the die fixing ring is arranged at the top of a lower die fixing plate at the outer side of a die bottom plate, a die top ring is arranged between the inner annular surface of the die fixing ring and the outer annular surface of the die bottom plate, the top of the die top ring is movably provided with dies, the dies are ring-shaped composed of die units with the number more than 2, a workpiece placing area is reserved between the mounted dies and the dies, the bottom of the die top ring is vertically provided with a push rod, and the bottom of the push rod sequentially passes through the lower die fixing plate and the lower die bottom plate to be connected with the push rod bottom plate; the bottom horizontal plane of the upper die is lower than the bottom horizontal plane of the upper die pressing edge, a concave groove is formed at the corner between the bottom of the upper die and the upper die pressing edge, a convex block is formed at the upper part of the inner ring surface of the concave die in an expanding mode, and the convex block is matched with the concave groove.

The upper part of the male die inner ring is contracted to form a conical guide groove, the upper part of the punching column is expanded to form a conical guide column, and the guide column is matched with the guide groove.

The upper part of the annular surface of the female die fixing ring is contracted to form a stamping groove, the upper part of the outer side of the female die is expanded to form a stamping edge, and the stamping edge is matched with the stamping groove.

The buffer plate is formed by sequentially laminating six buffer units from top to bottom, and the buffer units are made of rubber materials.

After the scheme is adopted, a workpiece to be processed is placed on a female die top ring in a workpiece placement area, an upper die lifting plate moves downwards, a buffer plate is driven by the upper die lifting plate to move downwards, a pressing block is driven by the buffer plate to move downwards to press a punching column downwards, a punch is punched through a guide column when the punching column presses downwards, the punch is internally extruded again, meanwhile, the upper die lifting plate drives the upper die fixing plate to move downwards through an upper die fixing ring, the upper die fixing plate drives an upper die pressing edge and an upper die to synchronously move downwards, and the upper die pressing edge drives a female die to move downwards again to enable the female die to externally extrude the workpiece, at the moment, the workpiece to be processed is clamped and positioned through the punch and the female die, the upper die lifting plate moves upwards to reset the upper die when the upper die pressing edge and the upper die move downwards, then a push rod bottom plate moves upwards, and the push rod bottom plate drives the female die top ring to push the formed workpiece upwards out of the workpiece placement area through a push rod; the utility model has reasonable structure and good use effect after adopting the scheme.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

FIG. 2 is a schematic process diagram of the present utility model.

Detailed Description

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

The utility model is further described below with reference to all drawings, in which preferred embodiments of the utility model are: referring to fig. 1 and 2, the stamping die for the concave cylindrical workpiece according to the present embodiment includes a lower die and an upper die, the lower die is composed of a lower die bottom plate 16, a female die assembly and a male die assembly, wherein a lower die fixing plate 15 is mounted on the top of the lower die bottom plate 16, the male die assembly is mounted at the center of the top of the lower die fixing plate 15, and the female die assembly is mounted on the top of the lower die fixing plate 15 outside the male die assembly; the upper die comprises an upper die lifting plate 1, a buffer plate 3 is arranged at the center of the bottom of the upper die lifting plate 1, the buffer plate 3 is formed by sequentially laminating six buffer units from top to bottom, the buffer units are made of rubber materials, a pressing block 9 is arranged at the bottom of the buffer plate 3, an upper die fixing ring 2 is arranged at the bottom of the upper die lifting plate 1 at the outer side of the buffer plate 3, an upper die fixing plate 4 is arranged at the bottom of the upper die fixing ring 2, an upper die pressing edge 5 is arranged at the outer side of the bottom of the upper die fixing plate 4, and an upper die 6 is integrally formed by extending the inner side of the upper die pressing edge 5; the male die assembly comprises a male die bottom plate 13 and a male die 11, wherein the male die bottom plate 13 is in a circular ring shape, the male die bottom plate 13 is arranged at the center of the top of the lower die fixing plate 15, the male die 11 is in a circular ring shape formed by male die units with the number more than 2, the male die 11 is arranged at the top of the male die bottom plate 13, a punching column 10 is arranged in the male die 11, a conical guide groove is formed by the upper part of the inner ring of the male die 11 in a shrinkage manner, a conical guide column is formed by the upper part of the punching column 10 in an expansion manner, the guide column is matched with the guide groove, a spring chamber 20 formed by inwards concave is arranged at the center of the bottom of the punching column 10, a spring 21 is arranged in the spring chamber 20, and the bottom of the spring 21 downwards passes through the spring chamber 20 to be in conflict with the lower die fixing plate 15; the die assembly comprises a die fixing ring 12, wherein the die fixing ring 12 is arranged at the top of a lower die fixing plate 15 at the outer side of a die bottom plate 13, a die top ring 14 is arranged between the inner annular surface of the die fixing ring 12 and the outer annular surface of the die bottom plate 13, a die 7 is movably arranged at the top of the die top ring 14, the die 7 is in a circular shape composed of die units with the number more than 2, a workpiece placing area is reserved between the mounted die 7 and a punch 11, a stamping groove is formed by shrinking the upper part of the inner annular surface of the die fixing ring 12, a stamping edge is formed by expanding the upper part at the outer side of the die 7 and matched with the stamping groove, a push rod 17 is vertically arranged at the bottom of the die top ring 14, and the bottom of the push rod 17 sequentially penetrates through the lower die fixing plate 15, the lower die bottom plate 16 and the push rod bottom plate 18 to be connected; the bottom horizontal plane of the upper die 6 is lower than the bottom horizontal plane of the upper die pressing edge 5, a concave groove 23 is formed at the corner between the bottom of the upper die 6 and the upper die pressing edge 5, a convex block 24 is formed at the upper part of the inner ring surface of the concave die 7 in an expanding mode, and the convex block 24 is matched with the concave groove 23. After the embodiment is adopted, a workpiece to be processed is placed on a female die top ring in a workpiece placement area, an upper die lifting plate moves downwards, the upper die lifting plate drives a buffer plate to move downwards, a pressing block is driven by the buffer plate to move downwards to press a punching column downwards, a punch is punched through a guide column when the punching column presses downwards, the punch is internally extruded, meanwhile, the upper die lifting plate drives an upper die fixing plate to move downwards through an upper die fixing ring, the upper die fixing plate drives an upper die pressing edge and an upper die to synchronously move downwards, the upper die pressing edge drives a female die to move downwards again, the female die is used for extruding the outside of the workpiece, at the moment, the workpiece to be processed is clamped and positioned through the punch and the female die, at the same time, the upper die lifting plate moves upwards to reset the upper die when the upper die is moved downwards through a groove and a convex block, then a push rod bottom plate moves upwards, and the push rod bottom plate drives the female die top ring to move upwards, and the molded workpiece is pushed upwards out of the workpiece placement area; the utility model has reasonable structure and good use effect after adopting the embodiment.

The above-mentioned embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, so that all changes made in the shape and principles of the present utility model are covered by the scope of the present utility model.

Claims (5)

1. The utility model provides a indent formula tubular workpiece stamping die, it includes lower mould and last mould, its characterized in that: the lower die consists of a lower die bottom plate (16), a female die component and a male die component, wherein a lower die fixing plate (15) is arranged at the top of the lower die bottom plate (16), the male die component is arranged at the center of the top of the lower die fixing plate (15), and the female die component is arranged at the top of the lower die fixing plate (15) at the outer side of the male die component; the upper die comprises an upper die lifting plate (1), a buffer plate (3) is arranged at the center of the bottom of the upper die lifting plate (1), a pressing block (9) is arranged at the bottom of the buffer plate (3), an upper die fixing ring (2) is arranged at the bottom of the upper die lifting plate (1) at the outer side of the buffer plate (3), an upper die fixing plate (4) is arranged at the bottom of the upper die fixing ring (2), an upper die pressing edge (5) is arranged at the outer side of the bottom of the upper die fixing plate (4), and an upper die (6) is integrally formed by extending the inner side of the upper die pressing edge (5).

2. The concave cylindrical workpiece stamping die according to claim 1, wherein: the male die assembly comprises a male die bottom plate (13) and a male die (11), wherein the male die bottom plate (13) is in a circular shape, the male die bottom plate (13) is arranged at the center of the top of a lower die fixing plate (15), the male die (11) is in a circular shape formed by male die units with the number larger than 2, the male die (11) is arranged at the top of the male die bottom plate (13), a punching column (10) is arranged in the male die (11), a spring chamber (20) formed by concave inner is arranged at the center of the bottom of the punching column (10), a spring (21) is arranged in the spring chamber (20), and the bottom of the spring (21) downwards passes through the spring chamber (20) to be in contact with the lower die fixing plate (15); the die assembly comprises a die fixing ring (12), wherein the die fixing ring (12) is arranged at the top of a lower die fixing plate (15) at the outer side of a punch bottom plate (13), a die top ring (14) is arranged between the inner annular surface of the die fixing ring (12) and the outer annular surface of the punch bottom plate (13), a die (7) is movably arranged at the top of the die top ring (14), the die (7) is in a circular ring shape formed by die units with the number being more than 2, a workpiece placing area is reserved between the mounted die (7) and the punch (11), a push rod (17) is vertically arranged at the bottom of the die top ring (14), the bottom of the push rod (17) sequentially penetrates through the lower die fixing plate (15) downwards, and the lower die bottom plate (16) is connected with a push rod bottom plate (18); the bottom horizontal plane of the upper die (6) is lower than the bottom horizontal plane of the upper die pressing edge (5), a concave groove (23) is formed at the corner between the bottom of the upper die (6) and the upper die pressing edge (5), a convex block (24) is formed by expanding the upper part of the inner ring surface of the concave die (7), and the convex block (24) is matched with the concave groove (23).

3. The concave cylindrical workpiece stamping die according to claim 2, wherein: the upper part of the inner ring of the male die (11) is contracted to form a conical guide groove, the upper part of the stamping column (10) is expanded to form a conical guide column, and the guide column is matched with the guide groove.

4. The concave cylindrical workpiece stamping die according to claim 2, wherein: the upper part of the inner ring surface of the female die fixing ring (12) is contracted to form a stamping groove, the upper part of the outer side of the female die (7) is expanded to form a stamping edge, and the stamping edge is matched with the stamping groove.

5. The concave cylindrical workpiece stamping die according to claim 1, wherein: the buffer plate (3) is formed by sequentially laminating six buffer units from top to bottom, and the buffer units are made of rubber materials.