CN209986103U

CN209986103U - Bending die

Info

Publication number: CN209986103U
Application number: CN201920564356.6U
Authority: CN
Inventors: 林惠色
Original assignee: (fujian) Technology Co Ltd
Current assignee: (fujian) Technology Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-01-24
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses a bending die, which comprises a bending die, wherein the bottom of the bending die is provided with a bottom plate, the top of the bending die is provided with a top plate, the top of the bottom plate is provided with a lower die, the surface of the bottom plate is provided with a groove inside which a spring is arranged, one side of the lower die is provided with a positioning plate, the bottom of the top plate is provided with a lower die, a forming mechanism is arranged between the upper die and the lower die, the blank is bent downwards along a U-shaped bulge on the movable die when the upper die is pressed downwards, the movable die moves downwards when the upper die continues to move downwards, when the U-shaped bulge on the movable die is contacted with the top of the lower die, the bending into an inward bent edge is realized under the double action of the U-shaped bulge and the top of the lower die at the moment, the structure is reasonable, only one-time stamping is needed, the problem that workpieces need to be punched and bent repeatedly is solved, and the product processing efficiency is effectively improved.

Description

Bending die

Technical Field

The utility model relates to a stamping die technical field specifically is a bending die.

Background

The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called 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.

The bending die is provided by using a traditional single punching process, needing multiple times of punching and having complex operation along with influence on processing efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bending die, through set up forming mechanism between last mould and lower mould, when the upper die pushes down, bend downwards along the protruding U type on the movable mould with the stock, when the upper die continues to move down, the movable mould moves down this moment, when the protruding and lower mould top contact of U type on the movable mould, realized bending into inside camber this moment under the dual function at U type arch and lower mould top, rational in infrastructure, only need carry out a punching press, can accomplish the shaping of crooked inside camber, the work piece need the loaded down with trivial details of many times punching press bending, the effectual product machining efficiency that has improved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bending die, includes the bending die, the bending die bottom is provided with the bottom plate, the bending die top is provided with the roof, the lower mould is installed at the bottom plate top, bottom plate surface fluting internally mounted has the spring, the locating plate is installed to lower mould one side, the mould is installed to the roof bottom, go up the mould with be provided with forming mechanism between the lower mould.

Preferably, the forming mechanism is provided with a movable die, a blank is arranged between the top of the movable die and the bottom of the upper die, one end of the blank abuts against the positioning plate, the bottom of the movable die is provided with a mandril, and the bottom end of the mandril is connected with the top of the spring.

Preferably, the movable die is located between the upper die and the lower die, and U-shaped protrusions are arranged on two sides of the top of the movable die.

Preferably, the bottom of the movable die is slidably connected along a groove in the middle of the lower die.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a set up forming mechanism between last mould and lower mould, when the upper die pushes down, bend downwards along the protruding U type on the movable mould with the stock, when the upper die continues to move down, the movable mould moves down this moment, when the protruding and lower mould top contact of U type on the movable mould, realized bending into inside camber under the dual function at U type arch and lower mould top this moment, rational in infrastructure, only need carry out the punching press once, can accomplish the shaping of crooked inside camber, the work piece need be the loaded down with trivial details of many times punching press bending, the effectual product machining efficiency that has improved.

Drawings

Fig. 1 is a schematic view of a bending die structure according to the present invention.

In the figure: 1. a base plate; 2. an upper die; 3. a lower die; 4. a top plate; 5. a blank; 6. positioning a plate; 7. a spring; 8. a top rod; 9. moving the mold; 10. a U-shaped bulge; 11. and (5) forming the workpiece.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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, the present invention provides a technical solution: the utility model provides a bending die, includes the bending die, the bending die bottom is provided with bottom plate 1, the bending die top is provided with roof 4, lower mould 3 is installed at 1 top of bottom plate, 1 surface fluting internally mounted of bottom plate has spring 7, locating plate 6 is installed to 3 one sides of lower mould, mould 2 is installed to 4 bottoms of roof, go up mould 2 with be provided with forming mechanism between the lower mould 3.

The forming mechanism is provided with a movable die 9, a blank 5 is arranged between the top of the movable die 9 and the bottom of the upper die 2, one end of the blank 5 abuts against the positioning plate 6, the bottom of the movable die 9 is provided with an ejector rod 8, the bottom end of the ejector rod 8 is connected with the top of the spring 7, the upper die 2 is pressed downwards when the movable die 9 is kept still, the blank 5 is bent downwards along a U-shaped bulge 10 on the movable die 9 at the moment, the ejector rod 8 moves downwards when the movable die 9 is stressed to move downwards so as to enable the spring 7 to deform, and when the U-shaped bulge 10 on the movable die 9 is contacted with the top of the lower die 3, the blank is bent into an inward-bent edge under the double action of the U-shaped bulge 10 and the top of the lower die 3 at the moment, and a formed.

The movable mould 9 is located go up mould 2 with between the lower mould 3, just 9 top both sides of movable mould all are provided with U type arch 10.

The bottom of the movable die 9 is slidably connected along the middle groove of the lower die 3, so that the movable die 9 can move up and down.

Specifically, the method comprises the following steps: the utility model provides a bending die, during the use, at first place stock 5 at movable die 9 top, and with stock 5 one end near 6 one side in locating plate, then will go up mould 2 and push down, stock 5 bends down along U type arch 10 on movable die 9 when going up mould 2 and pushing down, when going up mould 2 and continuing to move down, movable die 9 moves down this moment, when U type arch 10 on movable die 9 contacts with 3 tops of lower mould, realized bending into the neck-in under the dual function at

U type arch

10 and 3 tops of lower mould this moment, namely obtain forming workpiece 11, rational in infrastructure, only need carry out punching press, can accomplish the shaping of crooked neck-in, it is loaded down with trivial details that the work piece needs the bending of punching press many times to have solved, the effectual product machining efficiency that has improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bending die, includes the bending die, the bending die bottom is provided with bottom plate (1), the bending die top is provided with roof (4), lower mould (3) are installed at bottom plate (1) top, bottom plate (1) surface fluting internally mounted has spring (7), locating plate (6) are installed to lower mould (3) one side, mould (2), its characterized in that are installed to roof (4) bottom: and a forming mechanism is arranged between the upper die (2) and the lower die (3).

2. A bending die according to claim 1, wherein: the forming mechanism is provided with a movable die (9), a blank (5) is arranged between the top of the movable die (9) and the bottom of the upper die (2), one end of the blank (5) abuts against the positioning plate (6), the bottom of the movable die (9) is provided with a push rod (8), and the bottom end of the push rod (8) is connected with the top of the spring (7).

3. A bending die according to claim 2, wherein: the movable die (9) is located go up mould (2) with between lower mould (3), just movable die (9) top both sides all are provided with U type arch (10).

4. A bending die according to claim 2, wherein: the bottom of the movable die (9) is connected with the middle of the lower die (3) in a sliding mode along the groove.