Special-shaped product riveting die

By designing a riveting mold that is suitable for the shape of a special-shaped product, using the combined structure of a guide thimble and a supporting rod, the problems of low riveting efficiency and easy deformation of a special-shaped product are solved, and an efficient and non-offset riveting process is achieved.

CN222492006UActive Publication Date: 2025-02-18CHENGDU BAIYUAN MASCH CO LTD
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Patent Information

Application Number
CN202421078541.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-17
Publication Date
2025-02-18
Estimated Expiration
2034-05-17

AI Technical Summary

Technical Problem

When special-shaped products rivet studs, single riveting efficiency is inefficient and prone to deformation.

Method used

A special-shaped product riveting mold is designed, including upper mold and lower mold. The upper mold matches the shape of the special-shaped product. The lower mold is equipped with a concave mold and a guide thimble. The guide thimble contacts the stud to prevent offset, and the material thimble rod is supported. Hold against the lower end of the special-shaped product to prevent deformation.

Benefits of technology

Through this mold, the studs to be riveted on the special-shaped product can be riveted at one time, which improves the riveting efficiency and effectively prevents the special-shaped product from deforming during the riveting process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of machining, and discloses a special-shaped product riveting die which comprises an upper die and a lower die, the upper die comprises an upper die base and an upper die plate arranged at the lower end of the upper die base, and the upper die plate is matched with a special-shaped product in shape; the lower die comprises a lower die base and a lower base plate arranged at the upper end of the lower die base, a female die is arranged on the lower base plate, a through hole is formed in the upper end of the female die, a guide ejector pin is arranged in the through hole of the female die corresponding to the position to be riveted on the special-shaped product, and the upper end of the guide ejector pin is conical. And material supporting ejector rods are arranged in the through holes of the other female dies. According to the riveting die for the special-shaped product, a stud to be riveted on the special-shaped product is placed in the through hole of the female die, the guide ejector pin is in contact with the stud to prevent the stud from deviating during riveting, and all studs can be riveted by the riveting die for the special-shaped product through one-time work.
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Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing, and in particular relates to a riveting die for special-shaped products. Background Art

[0002] like Figure 1 and Figure 2 As shown, the special-shaped product 1 is one of the parts used to assemble the chassis. In order to facilitate the installation of other parts after assembly, studs need to be riveted on the special-shaped product 1. Since the shape of the special-shaped product 1 is irregular, the current method of riveting single studs one by one is adopted. The inventor found that this method has at least the following problems: 1. The efficiency of single riveting is low; 2. The special-shaped product is prone to deformation. Utility Model Content

[0003] The utility model aims to solve the above technical problems at least to a certain extent. To this end, the utility model aims to provide a riveting die for special-shaped products.

[0004] The technical solution adopted by the utility model is:

[0005] A riveting die for a special-shaped product comprises an upper die and a lower die, wherein the upper die comprises an upper die base and an upper die plate arranged at the lower end of the upper die base, and the upper die plate is adapted to the shape of the special-shaped product; the lower die comprises a lower die base and a lower pad arranged at the upper end of the lower die base, a die is arranged on the lower pad, a through hole is arranged at the upper end of the die, a guide ejector pin is arranged in the through hole of the die corresponding to the position to be riveted on the special-shaped product, and the upper end of the guide ejector pin is conical; a supporting ejector pin is arranged in the through hole of the remaining die, and the upper end of the supporting ejector pin is flush with the upper end of the die.

[0006] Preferably, a plurality of upper limit posts are provided at the lower end of the upper die base, and a lower limit post corresponding to the upper limit posts is provided on the lower die base.

[0007] Preferably, a clamping plate for fixing the concave die is provided on the lower pad. A lower pad is provided at the lower end of the lower die seat.

[0008] The beneficial effects of the utility model are:

[0009] The utility model provides a riveting die for special-shaped products. The studs to be riveted on the special-shaped products are placed in the through holes of the die. The guide ejector pins contact the studs to prevent the studs from shifting during riveting. The riveting die for special-shaped products can complete the riveting of all the studs in one operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of a special-shaped product of the utility model.

[0011] Figure 2 It is a side view of the special-shaped product of the utility model.

[0012] Figure 3 It is a schematic diagram of the riveting die for special-shaped products of the utility model.

[0013] Figure 4 It is a schematic diagram of the upper template of the utility model.

[0014] Figure 5 It is a cross-sectional view of a concave die equipped with a guide ejector pin according to the utility model.

[0015] Figure 6 It is a cross-sectional view of a concave die with a supporting ejector rod installed in the utility model.

[0016] In the figure: 1-special-shaped product; 101-clamping structure; 2-upper die base; 3-upper template; 4-lower die base; 5-lower pad; 6-die; 7-guide ejector pin; 8-supporting ejector rod; 9-clamping plate; 10-lower pad foot; 11-upper limit column; 12-lower limit column. DETAILED DESCRIPTION

[0017] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention. The components of the embodiments of the present invention generally described and shown in the accompanying drawings herein can be arranged and designed in a variety of different configurations.

[0018] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two elements.

[0019] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0020] like Figures 3 to 6 As shown, the riveting die for the special-shaped product of this embodiment includes an upper die and a lower die. The upper die includes an upper die base 2 and an upper die plate 3 arranged at the lower end of the upper die base 2. The upper die plate 3 is adapted to the shape of the special-shaped product 1. Specifically, most of the upper end surface of the special-shaped product 1 is flat, and only its edge portion is provided with a clamping structure 101. The lower end of the upper die plate 3 is also flat as a whole, and the edge of the upper die plate 3 is a structure that matches the clamping structure 101, so that the special-shaped product can be easily placed on the upper die plate 3.

[0021] The lower die includes a lower die base 4 and a lower pad 5 arranged at the upper end of the lower die base 4, a die 6 is arranged on the lower pad 5, a through hole is arranged at the upper end of the die 6, a part of the die 6 is arranged corresponding to the position to be riveted, and a guide ejector pin 7 is arranged in the through hole of the die 6 corresponding to the position to be riveted on the special-shaped product 1, and the upper end of the guide ejector pin is conical; the through holes of the remaining die 6 are provided with a supporting ejector pin 8, and the upper end of the supporting ejector pin 8 is flush with the upper end of the die 6.

[0022] The studs to be riveted on the special-shaped product are placed in the through holes of the die 6, and the guide ejector pins 7 are in contact with the studs to prevent the studs from shifting during riveting. The riveting die for special-shaped products can complete the riveting of all studs in one operation. In order to prevent the deformation of the special-shaped product, in addition to designing the lower end of the upper mold plate 3 as a flat surface that can fit the upper end surface of the special-shaped product, a support ejector rod 8 is installed in some of the die 6 to support the lower end surface of the special-shaped product, thereby effectively avoiding the deformation of the special-shaped product during the riveting process.

[0023] In this embodiment, a plurality of upper limit columns 11 are provided at the lower end of the upper die base 2, and a lower limit column 12 corresponding to the upper limit columns 11 is provided on the lower die base 4; a clamping plate 9 for fixing the die 6 is provided on the lower pad 5; and a lower pad 10 is provided at the lower end of the lower die base 4.

[0024] The present utility model is not limited to the above-mentioned optional implementation modes. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all technical solutions that fall within the scope defined by the claims of the present utility model fall within the protection scope of the present utility model.

Claims

1. A riveting die for special-shaped products, characterized by: The invention comprises an upper die and a lower die, wherein the upper die comprises an upper die base (2) and an upper die plate (3) arranged at the lower end of the upper die base (2), and the upper die plate (3) is adapted to the shape of the special-shaped product; the lower die comprises a lower die base (4) and a lower pad (5) arranged at the upper end of the lower die base (4), and a concave die (6) is arranged on the lower pad (5), and a through hole is arranged at the upper end of the concave die (6), and a guide pin (7) is arranged in the through hole of the concave die (6) corresponding to the position to be riveted on the special-shaped product, and the upper end of the guide pin is conical; and a supporting rod (8) is arranged in the through hole of the other concave dies (6), and the upper end of the supporting rod (8) is flush with the upper end of the concave die (6).

2. The riveting die for special-shaped products according to claim 1, characterized in that: The lower end of the upper die seat (2) is provided with a plurality of upper limit posts (11), and the lower die seat (4) is provided with lower limit posts (12) corresponding one to one with the upper limit posts (11).

3. The riveting die for special-shaped products according to claim 1 or 2, characterized in that: The lower pad (5) is provided with a clamping plate (9) for fixing the die (6).

4. The riveting die for special-shaped products according to claim 1 or 2, characterized in that: A lower foot (10) is provided at the lower end of the lower die base (4).