CN218460661U

CN218460661U - Sheet metal part stamping and riveting device

Info

Publication number: CN218460661U
Application number: CN202222652385.2U
Authority: CN
Inventors: 周智勇; 吴亮; 陈欣微; 张文兵
Original assignee: Yihe Plastic Electronic Products Co ltd
Current assignee: Yihe Plastic Electronic Products Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-02-10
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses a sheet metal component punching press riveting set belongs to riveting set technical field, including the upper die base, the punch holder, the backstop board, on take off the board, the lower bolster, lower bolster and lower bolster, the punch holder is connected on the upper die base, the backstop board is connected on last take off the board, it passes the punch holder in proper order to go up the mould riveting towards the needle, backstop board and on take off the board, be provided with the lower mould riveting towards the needle in the lower bolster, the lower mould riveting is towards the needle both sides and is provided with a plurality of liftout piece, and the lower mould riveting is towards the needle and is located the mould riveting towards the needle directly over, be provided with B part article on the liftout piece, A part article are placed on B part article, be provided with the salad hole on the A part article, be provided with the protruding rice piece on the B part article, protruding rice piece is located the salad hole. The utility model discloses a protruding rice of a sheet metal component and another sheet metal component's salad hole after in advance cooperating, utilize to go up the mould riveting towards the needle and extrude each other to the product with the lower mould riveting towards the needle, attach protruding rice pressure in another sheet metal component's salad hole, make two sheet metal components zonulae occludens together.

Description

Sheet metal part stamping and riveting device

Technical Field

The utility model belongs to the technical field of riveting set, especially, relate to a sheet metal component punching press riveting set.

Background

In the technology of the sheet metal stamping and riveting die, the connection mode of the sheet metal parts commonly used is hole flanging riveting, other parts (screws, rivets and the like) are not needed, and the self-riveting of the two sheet metal parts is completed by utilizing the stamping die. The riveting mode of hole flanging riveting is widely applied to sheet metal parts, but the mode quality is not easy to guarantee, the reject ratio is high, the riveting is easy to be too high, materials are easy to protrude out of the outer surface of a product after riveting, and the control is difficult. In order to meet the requirements of leveling outer surfaces and riveting quality of sheet metal parts, the traditional hole flanging riveting needs to be upgraded and improved in process and structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: the sheet metal part stamping and riveting device is provided for solving the problems that the existing sheet metal stamping and riveting die is widely applied to sheet metal parts in a hole flanging riveting mode, but the mode quality is not easy to guarantee, the reject ratio is high, the riveting is easy to be too high, materials are easy to protrude out of the outer surface of a product after riveting, and the riveting is difficult to control.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a sheet metal component punching press riveting set, includes upper die base, punch holder, backstop board, goes up stripper, lower bolster and lower bolster, the punch holder is connected on the upper die base, the backstop board is connected on going up the stripper, go up the mould riveting and dash the needle and pass in proper order the punch holder the backstop board with go up the stripper, be provided with the lower mould riveting in the lower bolster and dash the needle, the lower mould riveting is dashed the needle both sides and is provided with a plurality of liftout, just the lower mould riveting is dashed the needle and is located go up the mould riveting and dash directly over the needle, be provided with B part article on the liftout, A part article are placed on the B part article, be provided with the salad hole on the A part article, be provided with protruding rice piece on the B part article, protruding rice piece is located in the salad hole.

As a further description of the above technical solution:

the inner guide pillar sequentially penetrates through the upper die base, the upper clamping plate and the stop plate and extends to the bottom of the upper stripper plate, the guide groove body sequentially penetrates through the lower die base, the lower base plate and the lower die plate, and the inner guide pillar is located right above the guide groove body.

As a further description of the above technical solution:

the quantity of liftout has 2, 2 the liftout is located the both sides of lower mould riveting punching pin.

As a further description of the above technical solution:

the ejection piece comprises a first spring, an ejector pin and a set screw, the first spring is connected to the set screw, and the ejector pin is connected to the first spring.

As a further description of the above technical solution:

the bottom of the lower die base is provided with a plurality of lower cushion pins which are connected to the lower supporting plate.

As a further description of the above technical solution:

and the upper die holder and the upper clamping plate are provided with a second spring and an equal-height sleeve, and the equal-height sleeve downwards penetrates through the stop plate and the upper stripping plate.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through accomplishing through three step at protruding rice riveting. The part A is subjected to punching → salad by using two sets of dies, the part B is subjected to bag drawing → convex rice beating by using two sets of dies, then the riveting of two sheet metal parts is completed by using a riveting die, and an upper die base and an upper clamping plate are fixed by screws to form an upper die part; the stop plate and the upper stripper plate are fixed by screws to form a discharging part; the lower die plate, the lower backing plate and the lower die base are fixed by screws to form a lower die part. And in the state of opening the die, the part B is placed on a thimble of the lower die, the part A is placed on the upper surface of the part B, and the convex rice is pre-matched with the salad hole. The punch press walks downwards, the upper stripper plate compresses the two parts on the lower die plate, the lower die riveting punch pin is inserted into the convex meter at the moment, the upper die continues to walk downwards, the upper die riveting punch pin contacts with a product, the upper die riveting punch pin and the lower die riveting punch pin extrude the product mutually, the convex meter is pressed in a salad hole of another sheet metal part until the die is dead, and the riveting of the two sheet metal parts is completed. The punch press moves upwards, the upper die riveting punch pin firstly separates from a product under the action of the stripper plate, the stripper plate moves upwards, the lower die riveting punch pin separates from the product under the action of the lower die ejector pin, stripping is completed, and the product is taken out. The moving process forms one-time convex riveting of the two sheet metal parts.

2. The utility model discloses in, after protruding rice through a sheet metal component and the salad hole of another sheet metal component are in advance cooperated, utilize and go up the mould riveting towards the needle and extrude each other to the product with the lower mould riveting towards the needle, press protruding rice and attach in the salad hole of another sheet metal component, make two sheet metal components zonulae occludens together. The riveting process is high in riveting strength and capable of enabling the riveted materials to be completely pressed into the surface of a product.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 shows a process for manufacturing a bump and a salad hole in a stamping and riveting device for a sheet metal part.

Fig. 2 is a die opening state of the sheet metal part stamping and riveting device.

Illustration of the drawings:

1-an upper die holder; 2, upper splints; 3-a stopper plate; 4, removing the plate; 5, a lower template; 6, arranging a base plate; 7-a lower die holder; 8-riveting an upper die with a punch pin; 9-riveting a punch pin on the lower die; 10-a knock-out piece; 101-a first spring; 102-a thimble; 103-stop screw; 11-part B; 12-part A; 13-salad holes; 14-convex rice block; 15-inner guide post; 16-a guide groove body; 17-lower cushion feet; 18-a lower supporting plate; 19-a second spring; 20-equal height sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of the embodiments of the present invention 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 present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "inner", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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. 1-2, the present invention provides a technical solution: the utility model provides a sheet metal component punching press riveting set, includes upper die base 1, punch holder 2, backstop board 3, goes up and takes off board 4, lower bolster 5, lower bolster 6 and die holder 7, punch holder 2 connects on the upper die base 1, backstop board 3 connects on going up and taking off board 4, go up the mould riveting and dash needle 8 and pass in proper order punch holder 2 backstop board 3 with go up and take off board 4, be provided with lower mould riveting towards needle 9 in the lower bolster 5, lower mould riveting towards needle 9 both sides are provided with a plurality of liftout 10, just lower mould riveting towards needle 9 is located go up the mould riveting towards directly over of needle 8, be provided with B portion article 11 on the liftout 10, A portion article 12 is placed on B portion article 11, be provided with salad hole 13 on A portion article 12, be provided with protruding rice piece 14 on B portion article 11, protruding rice piece 14 is located in salad hole 13.

An inner guide post 15 sequentially penetrates through the upper die holder 1, the upper clamping plate 2 and the stop plate 3 and extends to the bottom of the upper stripper plate 4, a guide groove body 16 sequentially penetrates through the lower die holder 7, the lower base plate 6 and the lower die plate 5, and the inner guide post 15 is positioned right above the guide groove body 16.

The quantity of the ejection pieces 10 is 2, and the 2 ejection pieces 10 are located on two sides of the lower die riveting punch pin 9.

The ejector 10 includes a first spring 101, an ejector pin 102, and a set screw 103, where the first spring 101 is connected to the set screw 103, and the ejector pin 102 is connected to the first spring 101.

The bottom of the lower die holder 7 is provided with a plurality of lower pad feet 17, and the lower pad feet 17 are connected to a lower supporting plate 18.

The upper die holder 1 and the upper clamping plate 2 are provided with a second spring 19 and an equal-height sleeve 20, and the equal-height sleeve 20 downwards penetrates through the stop plate 3 and the upper stripping plate 4.

The working principle is as follows: the riveting is completed through three steps in the convex meter. The part A finishes punching hole → sanding with two sets of dies, the part B finishes bag-pulling → protruding rice-beating with two sets of dies, then finishes riveting of two sheet metal parts with a riveting die, and an upper die base and an upper clamping plate are fixed by screws to form an upper die part; the stop plate and the upper stripper plate are fixed by screws to form a discharging part; the lower die plate, the lower backing plate and the lower die base are fixed by screws to form a lower die part. And in the state of opening the die, the part B is placed on a thimble of the lower die, the part A is placed on the upper surface of the part B, and the convex rice is pre-matched with the salad hole. The punch press walks downwards, the upper stripper plate compresses the two parts on the lower die plate, the lower die riveting punch pin is inserted into the convex meter at the moment, the upper die continues to walk downwards, the upper die riveting punch pin contacts with a product, the upper die riveting punch pin and the lower die riveting punch pin extrude the product mutually, the convex meter is pressed in a salad hole of another sheet metal part until the die is dead, and the riveting of the two sheet metal parts is completed. The punch moves upwards, the upper die riveting punch pin firstly separates from the product under the action of the stripper plate, the stripper plate moves upwards, the lower die riveting punch pin separates from the product under the action of the lower die ejector pin, stripping is completed, and the product is taken out. The moving process forms one-time convex riveting of the two sheet metal parts.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a sheet metal component punching press riveting set, its characterized in that, includes upper die base (1), punch holder (2), backstop board (3), goes up stripper plate (4), lower bolster (5), lower bolster (6) and lower bolster (7), punch holder (2) are connected on upper die base (1), backstop board (3) are connected on going up stripper plate (4), go up the mould riveting and dash needle (8) and pass in proper order punch holder (2) backstop board (3) with go up stripper plate (4), be provided with the lower mould riveting in lower bolster (5) and dash needle (9), the lower mould riveting dashes needle (9) both sides and is provided with a plurality of liftout (10), just the lower mould riveting dashes needle (9) and is located go up the mould riveting and dash directly over needle (8), be provided with B portion article (11) on liftout (10), A portion article (12) are placed on B portion article (11), be provided with on A portion article (12) sand drawing hole (13), be provided with on B portion article (11) rice sand drawing block (14) in rice hole (14).

2. The sheet metal part stamping and riveting device according to claim 1, wherein an inner guide post (15) sequentially penetrates through the upper die holder (1), the upper clamping plate (2) and the stop plate (3) and extends to the bottom of the upper stripper plate (4), a guide groove body (16) sequentially penetrates through the lower die holder (7), the lower backing plate (6) and the lower die plate (5), and the inner guide post (15) is located right above the guide groove body (16).

3. The sheet metal part stamping and riveting device according to claim 2, wherein the number of the ejection members (10) is 2, and 2 ejection members (10) are located on two sides of the lower die riveting punch pin (9).

4. The sheet metal part punching riveting device according to claim 1, characterized in that the ejector part (10) comprises a first spring (101), a thimble (102) and a set screw (103), the first spring (101) is connected to the set screw (103), and the thimble (102) is connected to the first spring (101).

5. The sheet metal part punching and riveting device according to claim 3, wherein a plurality of lower cushion feet (17) are arranged at the bottom of the lower die holder (7), and the lower cushion feet (17) are connected to the lower supporting plate (18).

6. The stamping riveting device for sheet metal parts according to claim 1, characterized in that the upper die holder (1) and the upper clamping plate (2) are provided with a second spring (19) and an equal-height sleeve (20), and the equal-height sleeve (20) downwardly penetrates through the stop plate (3) and the upper stripper plate (4).