CN215745850U

CN215745850U - Edge cutting forming tool for extension belt

Info

Publication number: CN215745850U
Application number: CN202121771303.5U
Authority: CN
Inventors: 邱海庆; 王强; 叶强; 杨先勇; 陈钧; 赵柳
Original assignee: Jiangxi Changhe Aviation Industries Co Ltd
Current assignee: Jiangxi Changhe Aviation Industries Co Ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-02-08
Anticipated expiration: 2031-07-30

Abstract

The utility model belongs to the field of sheet metal forming, and relates to an extension belt trimming forming tool, which comprises a die carrier, a male die assembly, a blank holder, a female die and an unloading screw, wherein the die carrier comprises an upper die plate, a lower die plate and a guide pillar and guide sleeve, the upper die plate and the lower die plate are respectively arranged at the upper end and the lower end of the guide pillar and guide sleeve, the male die assembly comprises a forming male die and a cutting male die, the forming male die is fixed on the upper surface of the cutting male die, the cutting male die is fixed on the upper surface of the lower die plate, the blank holder is sleeved on the outer side of the male die assembly and is connected to the lower die plate through the unloading screw, and the blank holder can be driven to slide along the outer side surface of the cutting male die through the unloading screw; the female die is fixed on the lower surface of the upper template and is opposite to the blank holder, a forming gap is formed between the inner wall surface of a cavity of the female die and the working profile of the forming male die, and the width of the forming gap is matched with the thickness of a material; a blanking gap is formed between the inner wall surfaces of the cavities of the cutting male die and the cutting female die, the width of the blanking gap is smaller than the thickness of a material, and the device is simple in structure and convenient to operate, adopts a relatively simple tool structure with controllable cost, and can ensure that the forming and trimming of the box-shaped metal plate workpiece can be completed at one time.

Description

Edge cutting forming tool for extension belt

Technical Field

The utility model belongs to the field of sheet metal forming and relates to a trimming forming tool for an extension belt.

Background

The traditional box-shaped aluminum plate type sheet metal workpiece usually needs to be stretched to complete the shape forming of the workpiece, then the flange edge of the formed workpiece is cut off and the boundary is trimmed, the two steps of independent forming are carried out, and the cutting is carried out. How to adopt simple and easy relatively, the controllable frock structure of cost ensures that the disposable shaping of accomplishing box-shaped class panel beating work piece is cut edge is the problem that needs to solve urgently.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is as follows: the utility model provides a draw area side cut shaping frock can ensure once only to accomplish box-shaped class panel beating work piece shaping side cut.

The technical scheme of the utility model is as follows:

a trimming and forming tool for an extension belt comprises a die carrier, a male die assembly, a blank holder, a female die and an unloading screw, wherein the die carrier comprises an upper die plate, a lower die plate and a guide post guide sleeve, the upper die plate and the lower die plate are respectively arranged at the upper end and the lower end of the guide post guide sleeve, the male die assembly comprises a forming male die and a cutting male die, the forming male die is fixed on the upper surface of the cutting male die, the cutting male die is fixed on the upper surface of the lower die plate, the blank holder is sleeved on the outer side of the male die assembly and is connected to the lower die plate through the unloading screw, and the blank holder can be driven to slide up and down along the outer side surface of the cutting male die through the unloading screw; the female die is fixed on the lower surface of the upper template and is opposite to the blank holder, a horizontal forming gap is formed between the inner wall surface of a cavity of the female die and the working profile of the forming male die, and the width of the forming gap is matched with the thickness of a material to be processed; a vertical blanking gap is formed between the cutting male die and the inner wall surface of the cavity of the female die, and the width of the blanking gap is smaller than the thickness of the material.

The die further comprises a piece withdrawing device which is arranged in the cavity of the female die and can slide up and down along the inner wall surface of the cavity of the female die.

And the ejector rod penetrates through a die handle of the die frame and is fixedly connected with the piece withdrawing device.

Further, when the air cylinder or other power sources support the discharging screw, the blank holder is supported, and the upper surface of the blank holder is slightly higher than the upper surface of the male die assembly.

Furthermore, the edge of the upper surface of the cutting convex die is a cutting edge and is used for cutting off materials.

Further, the width of the cutting punch is larger than that of the forming punch.

The utility model has the beneficial effects that: the device simple structure, convenient operation adopts simple and easy relatively, and the controllable frock structure of cost can ensure once only to accomplish box-shaped class panel beating work piece shaping side cut.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of portion I of FIG. 1;

FIG. 3 is a front view of a structure of a material to be processed;

fig. 4 is a top view of the structure of the material to be processed.

Detailed Description

The technical solution is further described in detail below with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, a trimming and forming tool for an extension belt comprises a die carrier 1, a male die assembly 2, a blank holder 3, a female die 4 and a discharging screw 7, wherein the die carrier 1 comprises an upper die plate 10, a lower die plate 11 and a guide post guide sleeve 12, the upper die plate 10 and the lower die plate 11 are respectively arranged at the upper end and the lower end of the guide post guide sleeve 12, the male die assembly 2 comprises a forming male die 8 and a cutting male die 9, the forming male die 8 is fixed on the upper surface of the cutting male die 9, the cutting male die 9 is fixed on the upper surface of the lower die plate 11, the width of the cutting male die 9 is larger than that of the forming male die 8, the blank holder 3 is sleeved on the outer side of the male die assembly 2 and is connected to the lower die plate through the discharging screw 7, the blank holder 3 can be driven to slide up and down along the outer side surface of the cutting male die 9 through the discharging screw 7 to shear a material to be processed, when an air cylinder or other power source supports the discharging screw 7 to support the blank holder 3, the upper surface of the blank holder 3 is slightly higher than the upper surface of the male die component 2; the female die 4 is fixed on the lower surface of the upper template 10, the female die 4 is opposite to the blank holder 3, a forming gap is formed between the inner wall surface of a cavity of the female die 4 and the working profile of the forming male die 8, and the width of the forming gap is matched with the thickness of a material; a blanking gap is formed between the cutting male die 9 and the inner wall surface of the cavity of the female die 4, and the width of the blanking gap is smaller than the thickness of the material. The edge of the upper surface of the cutting convex die 9 is a cutting edge and is used for cutting materials.

Further, still including moving back a ware 5, move back a ware setting in the die cavity of die 4, and can follow the die cavity internal face of die 4 and slide from top to bottom, move back after the shaping that a ware 5 was used for, release fashioned work piece from die 4, still include ejector pin 6, ejector pin 6 passes the die shank of die carrier 1 and moves back a ware 5 fixed connection, ejector pin 6 can drive and move back a ware 5 and slide in the work die cavity of die.

Second embodiment:

(1) the traditional die carrier 1 is used as a fixing and guiding main body and comprises an upper die plate 10, a lower die plate 11, a guide pillar and guide sleeve 12 and a die shank;

(2) the male die component 2 is fixed on a lower die plate 11 of the die frame 1; the blank holder 3 is sleeved on the male die 2 and can slide up and down along the male die component 2;

(3) the female die 4 is fixed on the lower surface of the upper die plate 10 of the die carrier 1, and the female die 4 is made of die steel with higher strength;

(4) the discharging screw 7 penetrates through a lower template 11 of the die carrier 1 and then is in threaded connection with the blank holder 3.

(5) The male die assembly 2 mainly comprises a forming male die 8 and a cutting male die 9, the forming male die 8 is fixed through a screw pin and is quenched by 45# steel, and the cutting male die 9 is made of die steel with higher strength;

(6) the molded surface of the forming male die 8 is the inner side surface of the workpiece.

(7) The cutting punch 9 is a truncated cone with blades formed by increasing the material thickness of the forming punch 8 along the circumference, and is matched with a corresponding blanking gap of the side molded surface of the female die 4.

The using method comprises the following steps:

(1) fixing the tool on a punching machine, enabling a cylinder or other power sources to prop against a discharging screw 7, supporting a blank holder 3 and a blank, and enabling the upper surface of the blank holder 3 to be slightly higher than a male die assembly;

(2) starting the punch press, enabling the upper template 10 to partially move downwards, enabling the female die 4 to contact the blank and tightly hold the blank with the blank holder 3, and ensuring the periphery of the blank to be tightly pressed;

(3) the upper die plate 10 continues to move downwards, the middle part of the blank material is wrapped by a forming male die 8, and the blank material is formed step by step; when the forming fillet at the lower part of the female die 4 gradually approaches to the cutting male die 9, cutting off the redundant part;

(4) the upper die plate 10 continues to move downwards, and the part withdrawing device 5 compresses the upper part of the workpiece, so that the forming is completed.

(5) When the upper die and the lower die are lifted upwards, the upper die and the lower die are separated from contact, the punch press striking rod downwards strikes the ejector rod 6 to drive the piece returning device 5, and a formed workpiece is extruded from the cavity of the female die 4 to finish the forming of the workpiece.

Claims

1. The utility model provides a draw area side cut shaping frock which characterized in that: the die carrier (1) comprises an upper template (10), a lower template (11) and a guide post guide sleeve (12), the upper template (10) and the lower template (11) are respectively arranged at the upper end and the lower end of the guide post guide sleeve (12), the male die component (2) comprises a forming male die (8) and a cutting male die (9), the forming male die (8) is fixed on the upper surface of the cutting male die (9), the cutting male die (9) is fixed on the upper surface of the lower template (11), the blank holder (3) is sleeved on the outer side of the male die component (2) and is connected to the lower template through the discharging screw (7), and the blank holder (3) can be driven to slide up and down along the outer side surface of the cutting male die (9) through the discharging screw (7); the female die (4) is fixed on the lower surface of the upper die plate (10), the female die (4) is opposite to the blank holder (3), a horizontal forming gap (13) is formed between the inner wall surface of a cavity of the female die (4) and the working profile of the forming male die (8), and the width of the forming gap (13) is matched with the thickness of a material to be processed; a vertical blanking gap (14) is formed between the cutting male die (9) and the inner wall surface of the cavity of the female die (4), and the width of the blanking gap (14) is smaller than the thickness of the material.

2. The extension belt trimming forming tool according to claim 1, characterized in that: the die is characterized by further comprising a piece withdrawing device (5), wherein the piece withdrawing device (5) is arranged in the cavity of the female die (4) and can slide up and down along the inner wall surface of the cavity of the female die (4).

3. The extension belt trimming forming tool according to claim 2, characterized in that: the ejection device is characterized by further comprising an ejection rod (6), wherein the ejection rod (6) penetrates through a die shank of the die carrier (1) and is fixedly connected with the piece withdrawing device (5).

4. The extension belt trimming forming tool according to claim 1, characterized in that: when the air cylinder or other power sources support the discharging screw (7), the blank holder (3) is supported, and the upper surface of the blank holder (3) is slightly higher than that of the male die assembly (2).

5. The extension belt trimming forming tool according to claim 1, characterized in that: the edge of the upper surface of the cutting convex die (9) is a cutting edge and is used for cutting materials.

6. The extension strip trimming and forming tool according to claim 5, wherein the extension strip trimming and forming tool comprises: the width of the cutting male die (9) is larger than that of the forming male die (8).