A press riveting tool for channel steel channel and straight rod rivet

Abstract

The utility model discloses a kind of for channel steel channel and straight rod rivet's press riveting frock, including female clamping block and male clamping block;The female clamping block and male clamping block opposite side each is provided with a half-arc slot, two half-arc slots form circular rivet groove;The rivet groove is used for straight rod rivet placement;First inclined surface step is arranged at the upper end of rivet groove;Spring assembly is installed on the side surface of female clamping block;The upper end of spring assembly is used for channel horizontal placement.The device structure design is simple, easy to process and maintain, reduce the use of special tool, simultaneously by optimizing riveting forming quality, reduce scrap rate, comprehensive cost significantly decreases.

Description

Technical Field

[0001] This utility model relates to a riveting fixture for riveting channel steel channels and straight rods, belonging to the field of channel steel channel processing technology. Background Technology

[0002] Channel steel is a long strip of steel with a U-shaped cross-section. It belongs to carbon structural steel for construction and machinery. It is a type of steel with a complex cross-section and a U-shaped cross-section. It is mainly used in building structures, curtain wall projects, machinery and equipment and vehicle manufacturing, etc., and has a wide range of applications.

[0003] Currently, the connection between rivets and grooves is usually achieved by riveting (including hot riveting and cold riveting, also known as spin riveting) or welding. If straight rivets and grooves are used for riveting, and conventional clamping blocks are used for riveting, the rivets will fall off when subjected to radial force. Therefore, a new type of press riveting tool needs to be designed to improve product performance. Utility Model Content

[0004] To address the problems existing in the prior art, this utility model provides a riveting fixture for riveting channel steel channels and straight rods, thereby solving the aforementioned technical problems.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a riveting fixture for channel steel channels and straight rod rivets, comprising a female clamping block and a male clamping block; each of the opposite sides of the female clamping block and the male clamping block is provided with a semi-arc groove, the two semi-arc grooves forming a circular rivet groove; the rivet groove is used for placing straight rod rivets; a first inclined step is provided at the upper end of the rivet groove; a spring assembly is installed on one side of the female clamping block; the upper end of the spring assembly is used for horizontal placement of the channel.

[0006] Furthermore, a second inclined step is provided between the first inclined step at the upper end of the rivet groove and the main vertical channel surface of the rivet groove.

[0007] Furthermore, the spring assembly is provided in two sets, which are symmetrically arranged in the three-level chambers on the left and right sides of the rivet groove. The three-level chambers include a primary chamber, a secondary chamber, and a tertiary chamber.

[0008] Furthermore, the spring assembly includes a pad, a bolt, and a spring; the pad is connected to the bolt; the spring is mounted on the bolt; the main body of the pad is arranged in the primary chamber; the secondary chamber contains the spring and a portion of the bolt body; the tertiary chamber is used for the reciprocating motion of the bolt bottom.

[0009] Furthermore, the outer end faces of the female clamping block and the male clamping block are provided with mold threaded connection holes. These mold threaded connection holes are used to connect with external fixing parts and power fixing bolts. One end of the female clamping block is connected to the fixed end, and one end of the male clamping block is connected to the movable end cylinder. The male clamping block is pressed against one side of the female clamping block by the movement of the cylinder.

[0010] The beneficial effects of this utility model are: 1. Improve riveting reliability: The design of the first and second inclined steps provides expansion space for the straight rivet, enabling it to form a stepped structure with a diameter larger than the rivet rod during the pressing process. This effectively prevents the rivet from falling off when subjected to radial force, significantly improving the connection strength and stability.

[0011] 2. Simplify the processing technology: It adopts a combination structure of male and female clamping blocks, and is equipped with a spring assembly to automatically adjust the horizontal position of the groove, reducing manual intervention, making the riveting process more efficient and precise, and reducing the complexity of operation.

[0012] 3. Enhance adaptability: The symmetrical arrangement and three-stage chamber design of the spring assembly can accommodate grooves and rivets of different sizes, ensuring uniform force during the riveting process and avoiding deformation or failure caused by uneven loading.

[0013] 4. Reduce costs: The structure is simple in design, easy to process and maintain, reduces the use of special tools, and reduces scrap rate by optimizing riveting quality, resulting in a significant reduction in overall cost.

[0014] 5. High versatility: It can be widely used in the connection of channel steel channels and straight rods with rivets in fields such as construction, machinery, and vehicle manufacturing, and has high promotional value. Attached Figure Description

[0015] Figure 1 This is a top view illustrating the structure of this utility model; Figure 2 This is a top-view disassembly diagram illustrating the structure of this utility model; Figure 3 For the present utility model Figure 2 A schematic cross-sectional view of the AA structure; Figure 4 This is a schematic diagram of the groove and the screw connection structure after pressing and riveting according to this utility model.

[0016] In the diagram: 1. First inclined step, 2. Rivet groove, 3. Second inclined step, 4. Pad block, 5. Bolt, 6. Spring, 7. Female clamping block, 71. Primary chamber, 72. Secondary chamber, 73. Tertiary chamber, 8. Male clamping block, 9. Mold threaded connection hole, 10. Straight rod rivet, 11. Channel. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit its scope.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention.

[0019] like Figure 1 , Figure 2 and Figure 3 As shown, a riveting fixture for channel steel channels and straight rod rivets includes a female clamping block 7 and a male clamping block 8; each of the opposite sides of the female clamping block 7 and the male clamping block 8 is provided with a semi-arc groove, and the two semi-arc grooves form a circular rivet groove 2; the rivet groove 2 is used to place the straight rod rivet 10; a first inclined step 1 is provided at the upper end of the rivet groove 2; a spring assembly is installed on one side of the female clamping block 7; the upper end of the spring assembly is used for the horizontal placement of the channel 11.

[0020] In this preferred embodiment, a second inclined step 3 is provided between the first inclined step 1 at the upper end of the rivet groove 2 and the main vertical channel surface of the rivet groove 2.

[0021] In this preferred embodiment, the spring assembly is provided in two sets, which are symmetrically arranged in the three-level chambers on the left and right sides of the rivet groove 2. The three-level chambers include a primary chamber 71, a secondary chamber 72 and a tertiary chamber 73.

[0022] In this preferred embodiment, the spring assembly includes a pad 4, a bolt 5, and a spring 6; the pad 4 is connected to the bolt 5; the spring 6 is mounted on the bolt 5; the main body of the pad 4 is arranged in the primary chamber 71; the secondary chamber 72 is provided with the spring 6 and a part of the main body of the bolt 5; the tertiary chamber 73 is used for the reciprocating motion of the bottom of the bolt 5.

[0023] In this preferred embodiment, the outer end faces of the female clamping block 7 and the male clamping block 8 are provided with mold threaded connection holes 9. The mold threaded connection holes 9 are used to connect with external fixing parts and power fixing bolts. One end of the female clamping block 7 is connected to the fixed end, and one end of the male clamping block 8 is connected to the movable end cylinder. The male clamping block 8 is pressed against one side of the female clamping block 7 by the movement of the cylinder.

[0024] Specific working principle: First, prepare for the riveting process by placing the spring 6 into the secondary chamber 72, then placing the pad 4 into the primary chamber 71, and then tightening the bolts 5 by inserting them into the pad 4 and spring 6. Adjust the pad to be 3-4mm higher than the entire clamping block assembly, with both sides symmetrical.

[0025] Then, the straight rivet 10 is pre-installed with the channel 11. The straight rivet 10 is tightly fitted with the bottom hole of the channel 11. The straight rivet 10 needs to be hammered in to ensure that the length left by the straight rivet 10 is the same as the height of the pad block 4. Finally, the riveting process is performed. The hammered straight rivet 10 and the groove 11 assembly are placed on the pad block 4, and then riveting begins. As the press presses down on the assembly, the rivet expands at the double-sloped gap of the clamping block due to the pre-reserved 3-4mm distance. This results in the rivet diameter at the bottom of the groove being larger than the rivet rod diameter (equivalent to creating a step in the riveting process), preventing the rivet from falling off after radial hammering. This device provides expansion space by setting the first inclined step 1 and the second inclined step 3, allowing the rivet to form an expansion step during the pressing process. This device simplifies the rivet processing technology and achieves high-quality product production. (Refer to...) Figure 4 This is a schematic diagram of the installed channel 11 and straight rivet 10.

[0026] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A press-fitting fixture for riveting channel steel channels and straight rods, characterized in that, It includes a female clamping block (7) and a male clamping block (8); each of the female clamping block (7) and the male clamping block (8) has a semi-arc groove on one side, and the two semi-arc grooves form a circular rivet groove (2); the rivet groove (2) is used to place a straight rivet (10); a first inclined step (1) is provided at the upper end of the rivet groove (2); a spring assembly is installed on one side of the female clamping block (7); the upper end of the spring assembly is used for the horizontal placement of the channel (11).

2. The riveting fixture for riveting channel steel channels and straight rods according to claim 1, characterized in that, A second inclined step (3) is provided between the first inclined step (1) at the upper end of the rivet groove (2) and the main vertical channel surface of the rivet groove (2).

3. The riveting fixture for riveting channel steel channels and straight rods according to claim 1, characterized in that, The spring assembly is provided in two sets, which are symmetrically arranged in the three-level chambers on the left and right sides of the rivet groove (2). The three-level chambers include a first-level chamber (71), a second-level chamber (72) and a third-level chamber (73).

4. A riveting fixture for riveting channel steel channels and straight rods according to claim 3, characterized in that, The spring assembly includes a pad (4), a bolt (5), and a spring (6); the pad (4) is connected to the bolt (5); the spring (6) is mounted on the bolt (5); the main body of the pad (4) is arranged in the first-level chamber (71); the second-level chamber (72) is provided with the spring (6) and a part of the main body of the bolt (5); the third-level chamber (73) is used for the bottom of the bolt (5) to move up and down reciprocally.

5. A riveting fixture for riveting channel steel channels and straight rods according to claim 3, characterized in that, The outer end faces of the female clamping block (7) and the male clamping block (8) are provided with mold thread connection holes (9). The mold thread connection holes (9) are used to connect with external fasteners and power component fixing bolts. One end of the female clamping block (7) is connected to the fixed end, and one end of the male clamping block (8) is connected to the movable end cylinder. The male clamping block (8) is pressed against one side of the female clamping block (7) by the movement of the cylinder.

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