Three-piece riveted metal piece

Abstract

The utility model discloses a three-piece riveting type metal piece in the technical field of metal stamping, which comprises a base plate, a spring is sleeved on the surface of a connecting rod, a sliding block is connected with the inner side of a sliding groove in a sliding mode, and the bottom of a die block is fixedly connected with the top of the sliding block. The third metal piece, the second metal piece and the first metal piece are arranged above the surface of the mold block in an overlapped mode, the top end of the pressing column is fixedly connected with the output end of a hydraulic device, and a positioning groove is fixedly formed in the lower portion of the inner side surface of the mold block; the third metal piece, the second metal piece and the first metal piece which are located under the third metal piece are extruded into a mold groove formed by the mold blocks through the pressing columns, the third metal piece can be firstly expanded into the positioning groove to form a similar outwards-expanded trumpet shape, and then the second metal piece is riveted into a surface trumpet groove of the third metal piece. And finally, the first metal piece is riveted into the surface horn groove of the second metal piece, so that the riveted metal piece is formed.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal stamping, and specifically relates to a three-piece riveted metal part. Background Art

[0002] A three-piece riveted metal part refers to a structural part formed by combining three or more metal components into a whole through riveting technology. This kind of structural part adopts automated production in the manufacturing process, with the characteristics of high efficiency, high quality and strong adaptability. In terms of quality control, from material selection to riveting combination, the entire production process needs to be strictly controlled to avoid product quality problems caused by unqualified parts.

[0003] In the existing production process of three-piece riveted metal parts, there are many processes, and the input of labor, raw materials and energy consumption is relatively large. The parts need to be formed by multiple stamping equipment, processed separately in multiple processes, and then multiple parts need to be assembled into a component manually or by combined equipment. There are also many defective products generated in each process, resulting in low working efficiency of the manufacturing method of three-piece riveted metal parts. Therefore, we propose a three-piece riveted metal part. Content of the Utility Model

[0004] The purpose of the utility model is to provide a three-piece riveted metal part to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A three-piece riveted metal part, including a chassis, a chute is provided on the surface of the chassis, a fixed seat is provided inside the chute, a connecting rod is provided inside the fixed seat, a spring is provided on the surface of the connecting rod, a slider is provided inside the chute, a mold block is provided above the chassis, a third metal part, a second metal part and a first metal part are provided above the mold block, a pressing column is provided above the first metal part, a positioning groove is provided inside the mold block, and a limiting notch is provided above the positioning groove.

[0006] Preferably, the chute is fixedly opened on the surface of the chassis, and the chute and the mold block are respectively provided with three groups in a circular distribution around the center of the surface of the chassis. One end inside the chute is fixedly installed with a fixed seat, and the connecting rod is slidably penetrated inside the fixed seat.

[0007] Preferably, a spring is sleeved and installed on the surface of the connecting rod, the slider is slidably connected inside the chute, one end of the slider is fixedly connected with one end of the connecting rod, and the bottom of the mold block is fixedly connected with the top of the slider.

[0008] Preferably, the third metal part, the second metal part and the first metal part are superimposed and arranged above the surface of the mold block.

[0009] Preferably, the top end of the pressing column is fixedly connected to the output end of the hydraulic device, and a positioning groove is fixedly formed below the inner surface of the mold block.

[0010] Preferably, a limiting notch is provided between the upper part of the positioning groove and the inner surface of the mold block, and a mold groove is formed among the three mold blocks.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] The third metal part, the second metal part and the first metal part located directly below are extruded into the mold groove formed by the mold blocks through the pressing column. The third metal part will first expand and support into the inside of the positioning groove, forming a shape similar to an outward-expanded horn. Then, the second metal part is riveted to the surface horn groove of the third metal part. Finally, the first metal part is riveted to the surface horn groove of the second metal part, thereby forming a riveted metal part and improving the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the overall structural schematic diagram of the present utility model;

[0014] Figure 2 is the structural schematic diagram of the sliding groove of the present utility model;

[0015] Figure 3 is the structural schematic diagram of the mold block of the present utility model.

[0016] In the figure: 1, chassis; 2, sliding groove; 3, fixed seat; 4, connecting rod; 5, spring; 6, slider; 7, mold block; 8, first metal part; 9, second metal part; 10, third metal part; 11, pressing column; 12, mold groove; 13, positioning groove; 14, limiting notch. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0018] Please refer to Figures 1 - 3, the present utility model provides a technical solution: a three-piece riveted metal part, including a chassis 1, a chute 2 is provided on the surface of the chassis 1, a fixed seat 3 is provided inside the chute 2, a connecting rod 4 is provided inside the fixed seat 3, a spring 5 is provided on the surface of the connecting rod 4, a slider 6 is provided inside the chute 2, a mold block 7 is provided above the chassis 1, a third metal part 10, a second metal part 9 and a first metal part 8 are provided above the mold block 7, a pressing column 11 is provided above the first metal part 8, a positioning groove 13 is provided inside the mold block 7, and a limiting notch 14 is provided above the positioning groove 13.

[0019] Specifically, a chute 2 is fixedly opened on the surface of the chassis 1. The chute 2 and the mold block 7 are both circumferentially provided in three groups with the center of the surface of the chassis 1 as the center. One end inside the chute 2 is fixedly installed with a fixed seat 3. A connecting rod 4 is slidably penetrated inside the fixed seat 3. A spring 5 is sleeved and installed on the surface of the connecting rod 4. A slider 6 is slidably connected inside the chute 2. One end of the slider 6 is fixedly connected to one end of the connecting rod 4. The bottom of the mold block 7 is fixedly connected to the top of the slider 6. The third metal part 10, the second metal part 9 and the first metal part 8 are stacked above the surface of the mold block 7. The top end of the pressing column 11 is fixedly connected to the output end of the hydraulic device. A positioning groove 13 is fixedly opened below the inner surface of the mold block 7. A limiting notch 14 is provided between the upper part of the positioning groove 13 and the inner surface of the mold block 7. A mold groove 12 is formed between the three groups of mold blocks 7.

[0020] In this embodiment, by driving the pressing column 11 to press down by an external force pressing device, the pressing column 11 will squeeze the parts of the third metal part 10, the second metal part 9 and the first metal part 8 located directly below into the mold groove 12 formed by the mold block 7. After continuous pressing down, the pressing column 11 will drive the third metal part 10, the second metal part 9 and the first metal part 8 to squeeze the three groups of mold blocks 7, causing the mold block 7 to drive the slider 6 to slide to one side inside the chute 2, thereby driving the connecting rod 4 to retract into the inside of the fixed seat 3, and at the same time squeezing the spring 5. Through the provided positioning groove 13 and limiting notch 14, after the pressing column 11 drives the third metal part 10, the second metal part 9 and the first metal part 8 to enter the inner bottom of the mold groove 12, the third metal part 10 will first expand and support into the inside of the positioning groove 13, forming a shape similar to an outward-expanded horn. Then the second metal part 9 is riveted to the surface horn groove of the third metal part 10. Finally, the first metal part 8 is riveted to the surface horn groove of the second metal part 9, thus forming a riveted metal part. The setting of the spring 5 will drive the mold block 7 to reset, facilitating subsequent use.

[0021] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. Three riveted metal parts, including a chassis, characterized in that: The surface of the chassis is provided with a chute, the inner side of the chute is provided with a fixed seat, the inner side of the fixed seat is provided with a connecting rod, the surface of the connecting rod is provided with a spring, the inner side of the chute is provided with a slider, a mold block is arranged above the chassis, a third metal part, a second metal part and a first metal part are arranged above the mold block, a pressing column is arranged above the first metal part, a positioning groove is arranged inside the mold block, and a limiting notch is arranged above the positioning groove.

2. The three-piece riveted metal part according to claim 1, wherein: The surface of the chassis is fixedly provided with a chute, and both the chute and the mold block are circumferentially provided in three groups with the center of the chassis surface as the center. One end of the inner side of the chute is fixedly installed with a fixed seat, and a connecting rod is slidably penetrated through the inner side of the fixed seat.

3. The three-piece riveted metal part according to claim 1, characterized in that: A spring is sleeved and installed on the surface of the connecting rod, a slider is slidably connected to the inner side of the chute, one end of the slider is fixedly connected to one end of the connecting rod, and the bottom of the mold block is fixedly connected to the top of the slider.

4. The three-piece riveted metal part according to claim 1, wherein: The third metal part, the second metal part and the first metal part are superposed and arranged above the surface of the mold block.

5. The three-piece riveted metal part according to claim 1, wherein: The top end of the pressing column is fixedly connected to the output end of the hydraulic device, and a positioning groove is fixedly opened below the inner surface of the mold block.

6. The three-piece riveted metal part according to claim 1, wherein: A limiting notch is arranged between the upper part of the positioning groove and the inner surface of the mold block, and a mold groove is formed between the three groups of mold blocks.

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