CN222830479U

CN222830479U - A general punching die for double-sided multi-hole chamfering

Info

Publication number: CN222830479U
Application number: CN202421823943.XU
Authority: CN
Inventors: 李勋华; 刘萃; 陈锦
Original assignee: Wuhan Zhonghang Fine Blanking Technology Branch Of Hubei Zhonghang Fine Blanking Technology Co ltd
Current assignee: Wuhan Zhonghang Fine Blanking Technology Branch Of Hubei Zhonghang Fine Blanking Technology Co ltd
Priority date: 2024-07-31
Filing date: 2024-07-31
Publication date: 2025-05-06
Anticipated expiration: 2034-07-31

Abstract

The utility model belongs to the technical field of stamping dies, and specifically relates to a general stamping die for double-sided multi-hole chamfering. The utility model can simultaneously perform chamfering and forming processing on the front and back sides of multiple mounting holes on a part through the reasonable arrangement of upper and lower die bases, upper and lower pads, upper and lower templates, part positioning devices, and multiple groups of upper chamfering punches and lower punches, thereby greatly improving the processing efficiency of the mounting holes on the parts and reducing labor costs; the utility model has a compact overall structure, is easy to operate, can be repeatedly used, and only requires one stamping to achieve double-sided chamfering processing of multiple mounting holes on a part, and the two sides are balanced in force, with high processing accuracy, which not only saves processing costs, but also improves production efficiency and product quality, and has strong practicality.

Description

General stamping die for double-sided porous chamfer forming

Technical Field

The utility model belongs to the technical field of stamping dies, and particularly relates to a general stamping die for double-sided porous chamfer forming.

Background

The bolt mounting small hole of the common sealing cover needs to be pre-chamfered on two sides before tapping so as to reduce burrs and scrap iron caused by tapping. When a plurality of small holes are arranged on a part and need to be processed through double-sided chamfering, a sealing cover for 5 small holes is taken as an example, each small hole is sequentially chamfered, then turned over and then sequentially chamfered in the prior art, and each part needs to be chamfered for 10 times, so that the chamfering forming efficiency is low, the labor cost is high, and the risk of machining omission exists.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the general die for forming the double-sided porous chamfer, which can greatly improve the processing efficiency of forming the double-sided chamfer of the mounting hole on the part, and has compact integral structure, convenient use and low labor cost.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

The utility model provides a be used for fashioned plain punch die of two-sided porous chamfer, is including installing in the upper die base 1 and the die holder 9 of fixed connection on table surface of punch press main shaft bottom, upper die base 1 bottom is connected with cope match-plate pattern 3 through upper padding plate pattern 2, the die holder 9 top is connected with lower bolster 7 through lower bolster 8, the cope match-plate pattern 3 bottom is equipped with a plurality of upper chamfer drifts 4, the lower bolster 7 top be equipped with a plurality of with the corresponding lower punch 6 of upper chamfer drift 4, just the quantity and the mounted position of upper chamfer drift 4 and lower punch 6 wait to process the quantity and the position looks adaptation of hole with the part surface, part positioner is installed to die holder 9 top.

Further, the upper chamfering punch 4 and the lower punch 6 are composed of a connecting portion and a chamfering portion, one end of the chamfering portion is connected with the connecting portion, and a chamfering head is arranged at the other end of the chamfering portion.

Further, the size and shape of the chamfering heads of the upper chamfering punch 4 and the lower punch 6 are matched with the size and shape of the hole to be machined on the surface of the part.

Further, the length ratio of the connecting portion to the chamfering portion is 1:4-1:6.

Furthermore, the upper die plate 3 is fixedly connected to the bottom of the upper die holder 1 after passing through the upper base plate 2 through bolts, and the lower die plate 7 is fixedly connected to the top of the lower die holder 9 after passing through the lower base plate 8 through bolts.

Further, a limit column matched with the thickness of the part to be processed is arranged between the upper die plate 3 and the lower die plate 7.

Further, the part positioning device comprises a part positioning pin 5 arranged on the upper surface of the lower die plate 7.

Furthermore, guide pins are arranged among the upper template 3, the upper base plate 2 and the upper die holder 1.

Compared with the prior art, the utility model has the following main advantages:

1. The utility model provides a general punching die for double-sided porous chamfering molding, which can simultaneously chamfer molding the front and back sides of a plurality of mounting holes on a part by reasonably arranging an upper die holder, a lower die holder, an upper backing plate, a lower backing plate, an upper die plate, a lower die plate, a part positioning device, a plurality of groups of upper chamfering punches and lower punches, thereby greatly improving the processing molding efficiency of the mounting holes on the part and reducing the labor cost;

2. The utility model has compact integral structure, convenient operation and repeated recycling, can realize double-sided chamfering processing of a plurality of mounting holes on the part by only one-time stamping, has balanced stress on two sides and high processing precision, saves processing cost, improves production efficiency and product quality, and has strong practicability.

Drawings

Fig. 1 is an overall schematic diagram of a progressive die according to an embodiment of the present utility model.

In the figure, 1, an upper die holder, 2, an upper backing plate, 3, an upper die plate, 4, an upper chamfering punch, 5, a part locating pin, 6, a lower punch, 7, a lower die plate, 8, a lower backing plate and 9, and a lower die holder.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the product of the application, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application.

The features and capabilities of the present application are described in further detail below in connection with the examples.

The first embodiment provides a general punching die for forming double-sided porous chamfers, which mainly comprises an upper die holder 1 arranged at the bottom of a main shaft of a punching machine and a lower die holder 9 fixedly connected to a workbench surface as shown in fig. 1;

The upper die holder 1 is characterized in that the bottom of the upper die holder 1 is connected with an upper die plate 3 through an upper base plate 2, the top of a lower die holder 9 is connected with a lower die plate 7 through a lower base plate 8, a plurality of upper chamfering punches 4 are arranged at the bottom of the upper die plate 3, a plurality of lower punches 6 corresponding to the upper chamfering punches 4 are arranged at the top of the lower die plate 7, the number and the mounting positions of the upper chamfering punches 4 and the lower punches 6 are matched with the number and the positions of holes to be machined on the surface of a part, and a part positioning device is mounted above the lower die holder 9.

In a second embodiment, the present embodiment provides a punching die for forming a double-sided porous chamfer, which includes an upper die and a lower die. The upper die consists of an upper die seat, an upper base plate, an upper die plate and a punch, wherein the upper die seat is provided with the upper base plate which is connected with the upper die plate, and the upper die plate is provided with an upper chamfering punch. The lower die consists of a lower die seat, a lower base plate, a lower die plate and a punch, wherein the lower die seat is provided with the lower base plate which is connected with the lower die plate, and the lower die plate is provided with the lower chamfering punch. In addition, the lower die is also provided with a part positioning device for placing and positioning the workpiece to be machined.

During chamfering, the upper die holder 1 is fixed on the main shaft of the punch press, the lower die holder 9 is fixed on the working table, and the part to be machined is placed on the positioning pin 5. Starting the punch press, and enabling the upper die holder to move downwards under the drive of the equipment main shaft, so that the upper chamfering punch head moves downwards. And (3) closing the upper and lower dies, finishing double-sided chamfering by a plurality of mounting small holes on the parts punched by the upper and lower punch heads, lifting the main shaft, separating the upper and lower dies, performing a complete machining process, and then performing reciprocating circulation.

Furthermore, the non-detailed description of the present application is the same as or implemented by the prior art.

To sum up:

The above embodiments are merely for illustrating the design concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, the scope of the present utility model is not limited to the above embodiments. Therefore, all equivalent changes or modifications according to the principles and design ideas of the present utility model are within the scope of the present utility model.

Claims

1. The utility model provides a general punching die for two-sided porous chamfer shaping, its characterized in that includes upper die base (1) and the die holder (9) of fixed connection on table surface of installing in punch press main shaft bottom, upper die base (1) bottom is connected with cope match-plate pattern (3) through upper padding plate (2), die holder (9) top is connected with lower bolster (7) through lower bolster (8), cope match-plate pattern (3) bottom is equipped with a plurality of upper chamfer drift (4), lower bolster (7) top be equipped with a plurality of with upper chamfer drift (4) corresponding lower drift (6), just upper chamfer drift (4) and lower drift (6) quantity and mounted position and part surface wait to process the quantity and the position looks adaptation of hole, part positioner is installed to die holder (9) top.

2. The die for forming double-sided porous chamfer according to claim 1, wherein the upper chamfer punch (4) and the lower punch (6) are composed of a connecting portion and a chamfer portion, one end of the chamfer portion is connected with the connecting portion, and the other end is provided with a chamfer head.

3. A die for double-sided porous chamfering forming set forth in claim 2, characterized in that the chamfer head size and shape of the upper chamfer punch (4) and the lower punch (6) are adapted to the size and shape of the hole to be machined on the surface of the part.

4. The die for forming the double-sided porous chamfer according to claim 2, wherein the length ratio of the connecting portion to the chamfer portion is 1:4-1:6.

5. The die for forming the double-sided porous chamfer according to claim 1 is characterized in that the upper die plate (3) is fixedly connected to the bottom of the upper die holder (1) after penetrating through the upper base plate (2) through bolts, and the lower die plate (7) is fixedly connected to the top of the lower die holder (9) after penetrating through the lower base plate (8) through bolts.

6. The die for forming the double-sided porous chamfer according to claim 1, wherein a limit column matched with the thickness of a part to be processed is arranged between the upper die plate (3) and the lower die plate (7).

7. The die set for forming double-sided porous chamfer according to claim 1, wherein the part positioning device comprises a part positioning pin (5) arranged on the upper surface of the lower die plate (7).

8. The punching die for double-sided porous chamfer forming is characterized in that guide pins are arranged among the upper die plate (3), the upper base plate (2) and the upper die holder (1).