CN213378777U

CN213378777U - Side punching die with simple structure and high punching efficiency

Info

Publication number: CN213378777U
Application number: CN202022218001.7U
Authority: CN
Inventors: 杨娟
Original assignee: Keben Precision Mould Co ltd
Current assignee: Keben Precision Mould Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-08
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to a side punching die with simple structure and high punching efficiency, which comprises an upper die and a lower die; the lower die comprises a profiling positioning ring, a lower base plate and a guide ring; a plurality of groups of cross rods are arranged in the guide ring in a penetrating manner, and a plurality of groups of sliding blocks, a plurality of groups of guide grooves and a plurality of groups of side punching punches are arranged on the inner side of the guide ring; the profiling positioning ring is provided with a plurality of groups of waste discharge holes; the waste discharge hole is communicated with the inner surface of the profiling positioning ring; the transverse rod and the side punching punch are fixed with the sliding block; the punching end of the side punching punch is opposite to the outer side surface of the guide ring; the cross rod is sleeved with a compression ring and a return spring; the cross bar is T-shaped; one end of the reset spring is tightly propped against the guide ring, and the other end of the reset spring is matched with the head of the cross rod to clamp the compression ring; the upper die comprises an upper base plate and a plurality of groups of driving rods; the driving rod is fixed with the upper backing plate; the side surfaces of the driving rod and the sliding block which are opposite are provided with driving inclined planes. Overall structure is simple, and punching a hole of a plurality of positions can be accomplished to single compound die, and it is efficient to punch a hole.

Description

Side punching die with simple structure and high punching efficiency

Technical Field

The utility model relates to a hardware mould technical field, more specifically say, relate to a simple structure and side punching die that efficiency is high punches a hole.

Background

In industrial production, a press provides a mold clamping force for a hardware mold, and metal materials are manufactured into parts with specific shapes through pressure. Wherein, the side punching die is a common hardware die. The side punching die commonly used at present is relatively complex in structure and unsatisfactory in punching efficiency, and the structure of the side punching die still needs to be improved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provide a simple structure and side punching die that efficiency is high punches a hole.

The utility model provides a technical scheme that its technical problem adopted is:

the side punching die with a simple structure and high punching efficiency is constructed and comprises an upper die and a lower die; the lower die comprises a profiling positioning ring matched with a workpiece, a lower base plate fixed with the profiling positioning ring, and a guide ring surrounding the profiling positioning ring and fixed with the lower base plate; a plurality of groups of cross rods which are uniformly distributed around the circumference of the profiling positioning ring are arranged in the guide ring in a penetrating manner, and a plurality of groups of sliding blocks which are in one-to-one correspondence with the plurality of groups of cross rods, a plurality of groups of guide grooves which are in one-to-one correspondence with the plurality of groups of sliding blocks, and a plurality of groups of side punching punches which are in one-to-one correspondence with the plurality of groups of sliding; the profiling positioning ring is provided with a plurality of groups of waste discharge holes which correspond to the plurality of groups of side punching punches one by one; the waste discharge hole is communicated with the inner surface of the profiling positioning ring; the transverse rod and the side punching punch are fixed with the sliding block; the punching end of the side punching punch is opposite to the outer side surface of the guide ring; one end of the cross rod, which penetrates out of the guide ring, is sleeved with a compression ring and a return spring; the cross bar is T-shaped; one end of the reset spring is tightly propped against the outer side surface of the guide ring, and the other end of the reset spring is matched with the head of the cross rod to clamp the compression ring;

the upper die comprises an upper base plate and a plurality of groups of driving rods which correspond to the plurality of groups of sliding blocks one by one; the driving rod is fixed with the upper backing plate; and the side surfaces of the driving rod and the sliding block which are opposite are provided with driving inclined planes which are symmetrical with the side punching punch in the middle.

Preferably, the lower backing plate and the profiling positioning ring are integrally formed.

Preferably, the side surface of the guide ring, to which the return spring is attached, is a plane.

Preferably, the cross rod is a plug screw; the sliding block is provided with a threaded hole corresponding to the cross rod.

The beneficial effects of the utility model reside in that: before punching, a workpiece is sleeved on the profiling positioning ring; when the die is closed, the upper padding plate and the driving rod move downwards, the sliding block moves towards the profiling positioning ring under the driving of the driving rod, the side punching punch performs side punching on the workpiece, and punching waste is discharged outwards through the waste discharge hole; when the mold is opened, the driving rod moves upwards, the return spring is reset, and the transverse rod and the sliding block are driven to move outwards. Overall structure is simple, and punching a hole of a plurality of positions can be accomplished to single compound die, and it is efficient to punch a hole.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:

FIG. 1 is a workpiece requiring side punching;

fig. 2 is a top view (with the upper die hidden) of a side punching die with simple structure and high punching efficiency according to a preferred embodiment of the present invention;

fig. 3 is a top view of a guide ring in a side punching die with simple structure and high punching efficiency according to a preferred embodiment of the present invention;

fig. 4 is a schematic diagram (in a cutaway state) illustrating the use of the slide block and the driving rod in the side-piercing mold according to the preferred embodiment of the present invention, which has a simple structure and high piercing efficiency.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The side punching die with simple structure and high punching efficiency of the preferred embodiment of the utility model is shown in fig. 1-4, and comprises an upper die and a lower die 10; the lower die 10 comprises a profiling positioning ring 11 matched with a workpiece, a lower backing plate 12 fixed with the profiling positioning ring 11, and a guide ring 13 surrounding the profiling positioning ring 11 and fixed with the lower backing plate 12; a plurality of groups of cross rods 14 which are uniformly distributed around the circumference of the profiling positioning ring 11 are arranged in the guide ring 13 in a penetrating manner, and a plurality of groups of sliding blocks 15 which are in one-to-one correspondence with the plurality of groups of cross rods 14, a plurality of groups of guide grooves 180 which are in one-to-one correspondence with the plurality of groups of sliding blocks 15, and a plurality of groups of side punching punches 16 which are in one-to-one correspondence with the; the profiling positioning ring 11 is provided with a plurality of groups of waste discharge holes (not shown in the figure) which correspond to a plurality of groups of side punching punches 16 one by one; a waste discharge hole (not shown) communicates with the inner surface of the profiling positioning ring 11; the cross rod 14 and the side punching punch 16 are both fixed with the slide block 15; the punching end of the side punching punch 16 is opposite to the outer side surface of the guide ring 13; one end of the cross rod 14 penetrating out of the guide ring 13 is sleeved with a press ring 17 and a return spring 18; the cross bar 14 is T-shaped; one end of the return spring 18 tightly abuts against the outer side surface of the guide ring 13, and the other end of the return spring is matched with the head of the cross rod 14 to clamp the compression ring 17; the upper die comprises an upper backing plate (not shown in the figure) and a plurality of groups of driving rods 19 which correspond to the plurality of groups of sliding blocks 15 one by one; the driving rod 19 is fixed with an upper backing plate (not shown in the figure); the opposite side surfaces of the driving rod 19 and the slide 15 are each provided with a driving bevel 181 which is centrally symmetrical to the side piercing punch 16. Before punching, a workpiece is sleeved on the profiling positioning ring 11; when the die is closed, an upper cushion plate (not shown in the figure) and a driving rod 19 move downwards, a slide block 15 moves towards the profiling positioning ring 11 under the driving of the driving rod 19, a side punching punch 16 performs side punching on a workpiece, and punching waste is discharged outwards through a waste discharge hole (not shown in the figure); when the mold is opened, the driving rod 19 moves upwards, the return spring 18 returns to drive the cross rod 14 and the slide block 15 to move outwards. Overall structure is simple, and punching a hole of a plurality of positions can be accomplished to single compound die, and it is efficient to punch a hole.

As shown in figure 2, the lower backing plate 12 and the profiling positioning ring 11 are integrally formed, so that the number of parts is reduced, and the assembly time is shortened.

As shown in fig. 2 and 3, the side surface of the guide ring 13, to which the return spring 18 is attached, is a flat surface, which provides a larger force application surface for the return spring 18, and is more stable during return.

As shown in fig. 2, the crossbar 14 is a tuck screw; the sliding block 15 is provided with a threaded hole (not shown in the figure) corresponding to the cross rod 14, so that the assembly and disassembly are convenient.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. A side punching die with simple structure and high punching efficiency comprises an upper die and a lower die; the lower die is characterized by comprising a profiling positioning ring matched with a workpiece, a lower base plate fixed with the profiling positioning ring, and a guide ring surrounding the profiling positioning ring and fixed with the lower base plate; a plurality of groups of cross rods which are uniformly distributed around the circumference of the profiling positioning ring are arranged in the guide ring in a penetrating manner, and a plurality of groups of sliding blocks which are in one-to-one correspondence with the plurality of groups of cross rods, a plurality of groups of guide grooves which are in one-to-one correspondence with the plurality of groups of sliding blocks, and a plurality of groups of side punching punches which are in one-to-one correspondence with the plurality of groups of sliding; the profiling positioning ring is provided with a plurality of groups of waste discharge holes which correspond to the plurality of groups of side punching punches one by one; the waste discharge hole is communicated with the inner surface of the profiling positioning ring; the transverse rod and the side punching punch are fixed with the sliding block; the punching end of the side punching punch is opposite to the outer side surface of the guide ring; one end of the cross rod, which penetrates out of the guide ring, is sleeved with a compression ring and a return spring; the cross bar is T-shaped; one end of the reset spring is tightly propped against the outer side surface of the guide ring, and the other end of the reset spring is matched with the head of the cross rod to clamp the compression ring;

2. The side punching die with simple structure and high punching efficiency as claimed in claim 1, wherein the lower backing plate and the profiling positioning ring are integrally formed.

3. The side punching die with simple structure and high punching efficiency as claimed in claim 1, wherein the side surface of the guide ring for the return spring to abut against is a plane.

4. The side punching die with simple structure and high punching efficiency as claimed in claim 1, wherein the cross bar is a plug screw; the sliding block is provided with a threaded hole corresponding to the cross rod.