CN216226470U

CN216226470U - Riveting die for aluminum extrusion piece

Info

Publication number: CN216226470U
Application number: CN202122591152.1U
Authority: CN
Inventors: 葛星
Original assignee: Kunshan Jianghong Precision Technology Co ltd
Current assignee: Kunshan Jianghong Precision Technology Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-08
Anticipated expiration: 2031-10-27

Abstract

The utility model relates to the technical field of dies, in particular to a riveting die for an aluminum extrusion piece. The die comprises an upper die, a lower die, a supporting plate and a guide pillar, wherein the supporting plate is placed in the lower die, and a positioning groove and a limiting block are respectively arranged on the supporting plate; the upper die comprises an upper die fixing plate, an upper die plate, a prepressing plate, a punch, a prepressing pin and a die shank, wherein the upper die plate is arranged at the bottom of the upper die fixing plate through screws; the lower die comprises a lower die fixing plate and a lower die plate, and the lower die plate is fixedly locked on the lower die fixing plate through screws. The utility model has the advantages that: avoid the product to be driven and the crush that causes or rivet bad to improve product output quality.

Description

Riveting die for aluminum extrusion piece

Technical Field

The utility model relates to the technical field of dies, in particular to a riveting die for an aluminum extrusion piece.

Background

The aluminum extrusion is widely applied in various industries, and a riveting die of the aluminum extrusion generally consists of an upper die, a lower die and a guide post, wherein a punch is fixed on the upper die, the riveting die is pressed down by a hydraulic press device, and the punch is riveted on a product, so that the riveted product is obtained.

At present used riveting mould, when the compound die riveting of upper and lower mould, the product is difficult for fixing, easy vertical runout, vertical runout can lead to the skew, thereby lead to the product to be crushed and rivet bad, the degree of difficulty of production has been increaseed, also lead to the increase of production defective rate, the drift is also very easily damaged, it changes all from dismantling down the organism with riveting mould together with mounting structure during the dismouting, production efficiency is reduced, simultaneously because of not having fixed limit control, staff's intensity of labour has been increaseed.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a riveting die for aluminum extrusion, so as to overcome the above-mentioned shortcomings of the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a riveting mould for crowded piece of aluminium, includes mould, lower mould, layer board and guide pillar, be equipped with the guiding hole on the lower mould, the guide pillar is inlayed on last mould, and goes up the mould and carry out compound die, its characterized in that through guide pillar and guiding hole and lower mould: the supporting plate is placed in the lower die, and a positioning groove and a limiting block are respectively arranged on the supporting plate;

the upper die comprises an upper die fixing plate, an upper die plate, a prepressing plate, a punch, a prepressing pin and a die shank, wherein the upper die plate is arranged at the bottom of the upper die fixing plate through screws;

the lower die comprises a lower die fixing plate and a lower die plate, and the lower die plate is fixedly locked on the lower die fixing plate through screws.

Preferably, an aluminum extrusion piece is placed in the supporting plate and is positioned through a positioning groove and a limiting block.

Preferably, a high-strength rubber is arranged between the upper template and the prepressing plate, and the high-strength rubber is sleeved on a high-strength screw connected with the prepressing plate and the upper template.

Preferably, the lower die limiting block is arranged on the lower die plate and is positioned between the lower die plate and the prepressing plate.

The utility model has the beneficial effects that: according to the utility model, the upper die limiting column is additionally arranged between the upper die plate and the working surface of the prepressing plate, so that when the die is riveted, the stroke cannot be downward all the time, the prepressing needle arranged on the upper die plate penetrates through the bottom of the prepressing plate, so that when the die is pressed down, the prepressing needle can be pressed on a product, and the prepressing needle cannot jump up and down due to impact force in the process of punching down of the punch, thereby avoiding pressing damage or riveting damage caused by driving the product, and further improving the product output quality.

Drawings

FIG. 1 is a schematic structural diagram of a riveting die for an aluminum extrusion of the present invention;

FIG. 2 is a schematic diagram of a carrier plate of a riveting die for an aluminum extrusion according to the present invention;

FIG. 3 is an exploded view of a riveting die for an aluminum extrusion of the present invention;

in the figure: 1. an upper die; 2. a guide post; 3. a lower die; 4. a support plate; 5. a die shank; 6. an upper die fixing plate; 7. mounting a template; 8. pre-pressing a plate; 9. a lower template; 10. a lower die fixing plate; 11. pre-pressing the needle; 12. an upper die limit column; 13. a lower die limiting block; 14. a punch; 15. the high-tenacity rubber.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 to 3, the embodiment is a riveting die for an aluminum extrusion part, and the riveting die comprises an upper die 1, a lower die 3, a supporting plate 4 and a guide pillar 2, wherein the lower die 3 is provided with a guide hole, the guide pillar 2 is embedded in the upper die 1, the upper die 1 is matched with the lower die 3 through the guide pillar 2 and the guide hole, the supporting plate 4 is placed in the lower die 3, and the supporting plate 4 is respectively provided with a positioning groove and a limiting block;

the upper die 1 comprises an upper die fixing plate 6, an upper die plate 7, a prepressing plate 8, a punch 14, a prepressing pin 11 and a die shank 5, wherein the upper die plate 7 is installed at the bottom of the upper die fixing plate 6 through screws, the prepressing plate 8 is installed on the upper die plate 7 through equal-height screws, the punch 14 and the prepressing pin 11 are respectively embedded on the upper die plate 7 in a clearance mode and penetrate below the prepressing plate 8, and the die shank 5 is installed at the top of the upper die fixing plate 6 through screws;

the lower die 3 comprises a lower die fixing plate 10 and a lower die plate 9, and the lower die plate 9 is fixedly locked on the lower die fixing plate 10 through screws.

An aluminum extrusion piece is placed in the supporting plate and is positioned through a positioning groove and a limiting block.

And a high-strength rubber 15 is arranged between the upper template 7 and the prepressing plate 8, and the high-strength rubber 15 is sleeved on the equal-height screws connected with the prepressing plate 8 and the upper template 7. The damping device is used for buffering the force between the upper template and the pressure plate, reducing silence, improving damping, increasing wear resistance and resisting high temperature.

And a lower die limiting block 13 is arranged on the lower die plate 9 and is positioned between the lower die plate 9 and the prepressing plate 8.

In the embodiment, when the riveting die is used, an aluminum extrusion piece to be riveted is placed in a supporting plate, positioning and limiting are carried out by the supporting plate 4, then the supporting plate is placed in a positioning groove of a lower die plate 9, when the riveting die is pressed down under the action of a hydraulic machine, a prepressing needle 11 firstly contacts a bracket to be riveted, after a high-strength rubber is compressed, a punch 14 rivets the aluminum extrusion piece and the bracket, the prepressing plate 8 is provided with an upper die limiting column for preventing the riveting of a product from being damaged or riveted under the action of pressing down, and the lower die plate 9 is provided with a lower die limiting block. After riveting is completed, the hydraulic press drives the die to move upwards, the high-pressure rubber stroke returns to the original position, the die continues to enter the next riveting cycle, the upper die limiting column 15 is additionally arranged between the working surfaces of the upper die plate 7 and the prepressing plate 8, so that the stroke cannot go downwards all the time when the die is riveted, the prepressing needle 15 arranged on the upper die plate 12 penetrates through the bottom of the prepressing plate 13, the prepressing needle 11 can be pressed on a support to be riveted when the die is pressed downwards, the punch 14 cannot jump up and down due to impact force in the downward punching process, and the product is prevented from being pressed or riveted due to driving.

The prepressing mechanism has the beneficial effects that the upper die limiting column is additionally arranged between the working surfaces of the upper die plate and the prepressing plate, so that when the die is riveted, the stroke cannot be downward all the time, the prepressing needle arranged on the upper die plate penetrates through the bottom of the prepressing plate, the prepressing needle can be pressed on a product when the die is pressed down, the prepressing needle cannot jump up and down due to impact force in the process of downward punching of the punch, the product is prevented from being pressed or riveted due to driving, and the output quality of the product is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a riveting mould for crowded piece of aluminium, includes last mould (1), lower mould (3), layer board (4) and guide pillar (2), be equipped with the guiding hole on lower mould (3), guide pillar (2) are inlayed on last mould (1), and go up mould (1) and carry out compound die, its characterized in that through guide pillar (2) and guiding hole and lower mould (3): the supporting plate (4) is placed in the lower die (3), and the supporting plate (4) is provided with a positioning groove and a limiting block respectively;

the upper die (1) comprises an upper die fixing plate (6), an upper die plate (7), a prepressing plate (8), a punch (14), prepressing needles (11) and die handles (5), the upper die plate (7) is installed at the bottom of the upper die fixing plate (6) through screws, the prepressing plate (8) is installed on the upper die plate (7) through equal-height screws, the punch (14) and the prepressing needles (11) are respectively embedded on the upper die plate (7) in a clearance mode and penetrate below the prepressing plate (8), and the die handles (5) are installed at the top of the upper die fixing plate (6) through screws;

the lower die (3) comprises a lower die fixing plate (10) and a lower die plate (9), and the lower die plate (9) is fixedly locked on the lower die fixing plate (10) through screws.

2. A riveting die for an aluminum extrusion according to claim 1, wherein: an aluminum extrusion piece is placed in the supporting plate and is positioned through a positioning groove and a limiting block.

3. A riveting die for an aluminum extrusion according to claim 1, wherein: and a high-strength rubber (15) is arranged between the upper template (7) and the prepressing plate (8), and the high-strength rubber (15) is sleeved on the equal-height screws connected with the prepressing plate (8) and the upper template (7).

4. A riveting die for an aluminum extrusion according to claim 1, wherein: and a lower die limiting block (13) is arranged on the lower die plate (9) and is positioned between the lower die plate (9) and the prepressing plate (8).