CN210614810U

CN210614810U - Cold end baffle punching and flanging hole die

Info

Publication number: CN210614810U
Application number: CN201921162408.3U
Authority: CN
Inventors: 马中健; 郑康; 盛程
Original assignee: Pinghu Aichiwei Auto Parts Co Ltd
Current assignee: Pinghu Aichiwei Auto Parts Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-05-26
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a cold end baffle punching and hole flanging die, which comprises an upper die component, a lower die component, a guide component and a limit component, wherein the upper die component can be vertically displaced relative to the lower die component under the guide of the guide component, the upper die component comprises an upper die base, an upper padding plate, an upper clamping plate, an upper template and a punch, and the lower die component comprises a lower bottom plate, a lower bracket, a lower die base, a lower padding plate, a lower clamping plate, a lower template, a die core, a positioning column and a blanking hole; the utility model can punch and turn-ups the cold end baffle on one set of mould at the same time, and has high production efficiency; when the guide assembly is used for die mixing, the upper die assembly and the lower die assembly are accurately guided to punch the baffle, so that the coaxiality precision of the mounting hole and the flanging can be ensured; the limiting assembly can effectively prevent the upper die assembly from generating overlarge impact force on the lower die assembly, and the service life of the die is prolonged.

Description

Cold end baffle punching and flanging hole die

Technical Field

The utility model relates to a mould processing technology field especially relates to a cold junction baffle is towards hole flanging mould.

Background

The stamping die is a special technological equipment for processing materials into parts or semi-finished products in cold stamping processing, and is called as a cold stamping die and commonly called as a cold stamping die. Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part. Stamping dies are widely available in many forms, and can be classified into a blanking die, a bending die, a drawing die, a forming die, a riveting die, and the like according to the process properties. The forming die is a die which directly copies and forms a blank or a semi-finished workpiece according to the shapes of a convex die and a concave die of a figure, and the material per se only generates local plastic deformation; such as an expanding die, a necking die, a flaring die, a relief forming die, a flanging die, a sizing die and the like, which is widely used in stamping dies.

In the existing baffle stamping die, when the baffle is punched and flanged, a mounting hole is punched on the baffle, and then the baffle is flanged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cold junction baffle is towards turn-ups mould punches a hole and is turned over the edge through to the baffle simultaneously in one set of mould, has solved the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model adopts the following technical scheme: a cold end baffle punching and flanging hole die comprises an upper die assembly, a lower die assembly, a guide assembly and a limiting assembly, wherein the upper die assembly can be guided by the guide assembly to move in the vertical direction relative to the lower die assembly;

the upper die assembly comprises an upper die base, an upper base plate is fixedly arranged below the upper die base, an upper clamping plate is fixedly arranged below the upper base plate, an upper die plate is fixedly arranged below the upper clamping plate, a punch is arranged in the upper die plate and penetrates through the upper clamping plate, and the punch is fixedly arranged on the upper base plate;

the lower die assembly comprises a lower base plate, a lower support is fixedly mounted on the lower base plate, a lower die base is fixedly mounted on the lower support, blanking holes are formed in the lower die base, a lower backing plate is fixedly mounted on the lower die base, a lower clamping plate is fixedly mounted on the lower backing plate, a lower die plate is fixedly mounted on the lower clamping plate, coaxial first through holes are formed in the lower backing plate and the lower clamping plate, a die core is arranged in each first through hole, one end of each die core is clamped between the lower die base and the lower backing plate, the other end of each die core protrudes out of the lower die plate, and a second through hole which is coaxial with the blanking holes is formed in each die core;

spacing subassembly includes spacing post and lower spacing post, go up the fixed upper die base bottom surface of locating of spacing post, the fixed lower die base top surface of locating of spacing post down, during with the mould, the bottom surface of going up the spacing post supports with the top surface of spacing post down and leans on spacingly.

Further, the guide assembly comprises an upper guide sleeve, a lower guide sleeve, a guide post and a pad foot, the upper guide sleeve is fixed on the bottom surface of the upper die base, the pad foot is fixed on the lower die base, the lower guide sleeve is fixed on the pad foot, the upper guide sleeve, the lower guide sleeve and the pad foot are provided with coaxial third through holes, and the guide post is arranged in the third through hole.

Furthermore, U-shaped grooves are symmetrically formed in the left side and the right side of the upper die base, and U-shaped grooves are symmetrically formed in the left side and the right side of the lower die base.

Furthermore, positioning columns are arranged among the lower die holder, the lower backing plate and the lower clamping plate.

Furthermore, blind holes are symmetrically formed in the front side and the rear side of the upper die seat, and blind holes are symmetrically formed in the front side and the rear side of the lower die seat.

The utility model discloses the beneficial effect who has does: compared with the prior art, the utility model can punch and turn over the cold end baffle plate on one set of mould at the same time, and has high production efficiency; when the guide assembly is used for die mixing, the upper die assembly and the lower die assembly are accurately guided to punch the baffle, so that the coaxiality precision of the mounting hole and the flanging can be ensured; the limiting assembly can effectively prevent the upper die assembly from generating overlarge impact force on the lower die assembly, and the service life of the die is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments 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 that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a cold end baffle before punching and flanging a hole.

Fig. 2 is a schematic structural diagram of the cold end baffle after punching holes.

Fig. 3 is a schematic structural diagram of the present invention.

Fig. 4 is a sectional view of the present invention.

Fig. 5 is a schematic structural view of the upper die assembly of the present invention.

Fig. 6 is a schematic structural view of the lower mold assembly of the present invention.

The reference numbers are as follows:

the device comprises an upper die assembly 1, an upper die base 11, an upper backing plate 12, an upper clamping plate 13, an upper die plate 14 and a punch 15;

the lower die component 2, a lower bottom plate 21, a lower bracket 22, a lower die holder 23, a lower backing plate 24, a lower clamping plate 25, a lower die plate 26, a die core 27, a positioning column 28 and a blanking hole 29;

the guide component 3, the upper guide sleeve 31, the guide column 32, the lower guide sleeve 33 and the foot pad 34;

a limiting component 4, an upper limiting column 41 and a lower limiting column 42;

a U-shaped groove 5; a blind hole 6; punching 71; a flange 72.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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 is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 6, the cold-end baffle punching and flanging die comprises an upper die assembly 1, a lower die assembly 2, a guide assembly 3 and a limiting assembly 4, wherein the upper die assembly 1 can be vertically displaced relative to the lower die assembly 2 under the guidance of the guide assembly 3.

Go up mould assembly 1 and include

upper die base

11, 11 below fixed mounting of upper die base has

upper padding plate

12, 12 below fixed mounting of upper padding plate have

punch holder

13, 13 below fixed mounting of punch holder has cope match-plate pattern 14, be equipped with drift 15 in the cope match-plate pattern 14, drift 15 passes punch holder 13, drift 15 fixed mounting is on upper padding plate 12.

Lower module 2 includes lower plate 21, fixed mounting has lower carriage 22 on lower plate 21, fixed mounting has lower bolster 23 on lower carriage 22, lower bolster 23 is equipped with blanking hole 29, fixed mounting has lower bolster 24 on the lower bolster 23, fixed mounting has lower plate 25 on the lower bolster 24, fixed mounting has lower bolster 26 on the lower bolster 25, lower bolster 24 and lower plate 25 are equipped with coaxial first through-hole, be equipped with mould benevolence 27 in the first through-hole, 27 one end joint of mould benevolence is between lower bolster 23 and lower bolster 24, other end protrusion lower bolster 26, be equipped with the second through-hole coaxial with blanking hole 29 in the mould benevolence 27.

And during die matching, the punch 15 of the upper die assembly 1 downwards punches the cold end baffle to punch the punched hole 71, and meanwhile, the die core upwards extrudes the cold end baffle to punch the flanging 72.

Spacing subassembly 4 includes spacing post 41 and lower spacing post 42 on, go up spacing post 41 fixed locate the die bed bottom surface, spacing post 42 is fixed to be located down the die bed top surface down, and during the mould, the bottom surface of last spacing post 41 and the top surface of spacing post 42 support to lean on spacingly down.

The guide assembly 3 comprises an upper guide sleeve 31, a lower guide sleeve 33, a guide column 32 and a pad 34, the upper guide sleeve 31 is fixed on the bottom surface of the upper die holder 11, the pad 34 is fixed on the lower die holder 23, the lower guide sleeve 33 is fixed on the pad 34, the upper guide sleeve 31, the lower guide sleeve 33 and the pad 34 are provided with coaxial third through holes, and the guide column 32 is arranged in the third through hole.

The upper die holder 11 is symmetrically provided with U-shaped grooves 5 at the left and right sides, and the lower die holder 23 is symmetrically provided with U-shaped grooves 5 at the left and right sides. The U-shaped groove 5 is convenient for a machine tool to clamp and position the die.

And positioning columns 28 are arranged among the lower die holder 23, the lower backing plate 24 and the lower clamping plate 25. The positioning columns can ensure the position degree among the lower die holder 23, the lower cushion plate 24 and the lower clamping plate 25, and can also play a role in guiding when the cushion plate 24 and the lower clamping plate 25 are installed.

The front side and the rear side of the upper die holder 11 are symmetrically provided with blind holes 6, and the front side and the rear side of the lower die holder 23 are symmetrically provided with blind holes 6. When moving or handling the grinding tool, a tool can be inserted into the blind hole 6 to facilitate the movement or handling of the mold.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The cold end baffle punching and flanging die is characterized by comprising an upper die assembly (1), a lower die assembly (2), a guide assembly (3) and a limiting assembly (4), wherein the upper die assembly (1) can be vertically displaced relative to the lower die assembly (2) under the guidance of the guide assembly (3);

the upper die assembly (1) comprises an upper die base (11), an upper base plate (12) is fixedly installed below the upper die base (11), an upper clamping plate (13) is fixedly installed below the upper base plate (12), an upper die plate (14) is fixedly installed below the upper clamping plate (13), a punch (15) is arranged in the upper die plate (14), the punch (15) penetrates through the upper clamping plate (13), and the punch (15) is fixedly installed on the upper base plate (12);

the lower die assembly (2) comprises a lower base plate (21), a lower support (22) is fixedly mounted on the lower base plate (21), a lower die base (23) is fixedly mounted on the lower support (22), a blanking hole (29) is formed in the lower die base (23), a lower cushion plate (24) is fixedly mounted on the lower die base (23), a lower clamp plate (25) is fixedly mounted on the lower cushion plate (24), a lower die plate (26) is fixedly mounted on the lower clamp plate (25), the lower cushion plate (24) and the lower clamp plate (25) are provided with coaxial first through holes, a die core (27) is arranged in each first through hole, one end of the die core (27) is clamped between the lower die base (23) and the lower cushion plate (24), the other end of the die core protrudes out of the lower die plate (26), and a second through hole coaxial with the blanking hole (29) is formed in the die core (27);

spacing subassembly (4) are including last spacing post (41) and lower spacing post (42), go up spacing post (41) and fix and locate the die bed bottom surface, lower spacing post (42) are fixed and are located the die bed top surface, and during the mould, the bottom surface of last spacing post (41) and the top surface of lower spacing post (42) support to lean on spacingly.

2. The cold end baffle punching and flanging die of claim 1, wherein: the guide assembly (3) comprises an upper guide sleeve (31), a lower guide sleeve (33), a guide column (32) and a pad foot (34), the upper guide sleeve (31) is fixed on the bottom surface of the upper die base (11), the pad foot (34) is fixed on the lower die base (23), the lower guide sleeve (33) is fixed on the pad foot (34), the upper guide sleeve (31), the lower guide sleeve (33) and the pad foot (34) are provided with coaxial third through holes, and the guide column (32) is arranged in the third through holes.

3. The cold end baffle punching and flanging die of claim 1, wherein: u-shaped grooves (5) are symmetrically formed in the left side and the right side of the upper die base (11), and the U-shaped grooves (5) are symmetrically formed in the left side and the right side of the lower die base (23).

4. The cold end baffle punching and flanging die of claim 1, wherein: and positioning columns (28) are arranged among the lower die holder (23), the lower cushion plate (24) and the lower clamping plate (25).

5. The cold end baffle punching and flanging die of claim 1, wherein: the front side and the rear side of the upper die base (11) are symmetrically provided with blind holes (6), and the front side and the rear side of the lower die base (23) are symmetrically provided with blind holes (6).