A riveting device

Abstract

The riveting device of the present invention includes a riveting seat, a rotating member rotatably mounted on the riveting seat, at least two sliders, an ejector pin mounted on the slider, and a guide plate. The riveting seat has a processing hole in the center, a slide groove radially extending along the processing hole, and the slider slides within the slide groove. The guide plate includes a guide structure that is transmission-connected to the slider. The guide structure includes a centripetal arc track centered on the processing hole. The guide plate is transmission-connected to the rotating member. When the rotating member rotates relative to the riveting seat, the guide plate drives the slider to reciprocate along the slide groove toward the processing hole. Compared to the prior art, the riveting device of the present invention allows a workpiece to be placed in the processing hole and, by rotating the rotating member relative to the riveting seat, multiple ejectors to simultaneously perform riveting on the workpiece's periphery. This allows the workpiece to be riveted in a single motion, resulting in high assembly and riveting efficiency and ease of use.

Description

Technical Field

[0001] The invention belongs to the technical field of metal processing, and in particular relates to a riveting device. Background Art

[0002] In industrial automation production lines, for the processing of some cylindrical or circular shell parts, such as the temperature-sensing cover of the rice cooker inner pot, the parts generally need to be assembled and riveted. The existing riveting method is manually operated, and the operator uses some simple jigs to fix the parts to complete the process. The shortcomings are low processing precision and low efficiency during the riveting process, and there is a lack of a riveting device that can quickly complete the riveting process.

[0003] It can be seen that the existing technology needs to be improved and enhanced. Summary of the Invention

[0004] In view of the problems existing in the above-mentioned prior art, an object of the present invention is to provide a riveting device that can quickly complete the riveting process of workpieces.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A riveting device includes a riveting seat, a rotating part rotatably arranged on the riveting seat, at least two sliders, a thimble and a guide plate arranged on the slider, a processing hole is provided in the middle of the riveting seat, a slide groove is provided in the riveting seat along the radial direction of the processing hole, the slider can be slidably arranged in the slide groove, the guide plate is provided with a guide structure that is transmission-connected to the slider, the guide structure includes a centripetal arc trajectory centered on the processing hole, the guide plate is transmission-connected to the rotating part, and when the rotating part rotates relative to the riveting seat, the slider can be driven by the guide plate to move back and forth along the slide groove toward the center of the processing hole.

[0007] Furthermore, the slider is provided with a guide protrusion, and the guide structure is a centripetal arc sliding hole provided on the guide plate with the processing hole as the center, and the guide protrusion is located in the sliding hole; through this arrangement, the slider is driven to reciprocate by the guide structure of the guide plate, which is a clever arrangement.

[0008] Furthermore, the rotating part is hollow, and a driving seat is provided on the inner periphery of the rotating part. The inner periphery of the driving seat is provided with an eccentric arc avoidance groove centered on the processing hole corresponding to the slider; through such an arrangement, the driving seat has an avoidance space when the slider is reset.

[0009] Furthermore, a rolling bearing is provided at the end of the slider corresponding to the inner wall of the arc avoidance groove; through this arrangement, friction loss between the slider and the inner wall of the arc avoidance groove is avoided, thereby improving product reliability.

[0010] Furthermore, the rotating member and the driving seat are an integrated structure; this arrangement facilitates product production.

[0011] Furthermore, four sliders and four slide grooves are provided correspondingly; by such an arrangement, the riveting effect of the workpiece is good.

[0012] Furthermore, it also includes an upper cover, the guide plate is a hollow ring, and a circular positioning portion is provided at the bottom of the upper cover corresponding to the inner ring of the guide plate, and the positioning portion passes through the inner ring of the guide plate and is fixedly connected to the riveted seat; through such an arrangement, the assembly of the upper cover and the riveted seat allows the guide plate to be clamped directly between the two, simplifying the assembly process.

[0013] Furthermore, transmission rods are provided on both sides of the rotating member; this arrangement facilitates the workpiece or machinery to manipulate the rotating member.

[0014] Beneficial effects:

[0015] Compared with the prior art, the riveting device of the present invention places the workpiece into the processing hole and rotates the rotating part relative to the riveting seat, so that multiple pins can simultaneously perform riveting processing on the periphery of the workpiece. The riveting processing of the workpiece can be completed with only one action, and the assembly and riveting efficiency is high and it is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Explosion of the riveting device provided for the invention Figure 1 .

[0017] Figure 2 Explosion of the riveting device provided for the invention Figure 2 .

[0018] Figure 3 A cross-sectional view of the riveting device provided by the invention. DETAILED DESCRIPTION

[0019] The present invention provides a riveting device. To make the objectives, technical solutions, and effects of the present invention more clear and explicit, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only for the purpose of explaining the present invention and are not intended to limit the present invention.

[0020] See also Figures 1 to 3The riveting device provided by the present invention includes a riveting seat 21 with an upper opening, a rotating member 22 rotatably arranged on the riveting seat 21, at least two sliders 23, a thimble 231 arranged on the slider 23 and a guide plate 24. A processing hole 211 is provided in the middle of the riveting seat 21, and a slide groove 212 is provided in the riveting seat 21 along the radial direction of the processing hole 211. The upper side of the slide groove 212 is open, and the slider 23 can be slidably arranged in the slide groove 212. The guide plate 24 is provided with a guide structure that is transmission-connected to the slider 23. The guide structure includes a centripetal arc trajectory with the processing hole 211 as the center. The guide plate 24 is transmission-connected to the rotating member 22. When the rotating member 22 rotates relative to the riveting seat 21, the slider 23 can be driven by the guide plate 24 to move back and forth along the slide groove 212 toward the center of the processing hole 211.

[0021] Compared with the prior art, the riveting device of the present invention places the workpiece into the processing hole 211 and rotates the rotating part 22 relative to the riveting seat 21, so that multiple ejectors 231 can simultaneously perform riveting processing on the periphery of the workpiece. The riveting processing of the workpiece can be completed through only one action, with high assembly and riveting efficiency and easy use.

[0022] In one embodiment, a guide protrusion 232 is provided on the top of the slider 23, and the guide structure is a centripetal arc sliding hole 241 centered on the processing hole 211 on the guide plate 24, and the guide protrusion 232 is located in the sliding hole 241; through this arrangement, the slider 23 is driven to reciprocate by the guide structure of the guide plate 24, and the arrangement is clever.

[0023] In one embodiment, the rotating member 22 is hollow, and a driving seat 25 is provided on the inner periphery of the rotating member 22. Preferably, the rotating member 22 and the driving seat 25 are an integrated structure to facilitate product manufacturing. The inner periphery of the driving seat 25 is provided with a centrifugal arc avoidance groove 251 centered on the processing hole 211 corresponding to the slider 23. The sum of the maximum depth of the arc avoidance groove 251 and the length of the slide groove 212 is equal to the length of the slider 23. Through such a setting, the driving seat 25 has an avoidance space when the slider 23 is reset, and the inner side wall of the arc avoidance groove 251 forms a driving surface to drive the slider 23 to slide, so that the slider 23 slides more smoothly.

[0024] In one embodiment, a rolling bearing 233 is provided at the end of the slider 23 corresponding to the inner wall of the arc avoidance groove 251; through this arrangement, friction loss between the slider 23 and the inner wall of the arc avoidance groove 251 is avoided, thereby improving product reliability.

[0025] In one embodiment, four sliders 23 and four slide grooves 212 are provided correspondingly, and in one embodiment, they are arranged at equal angles in the riveting seat 21; through such an arrangement, the riveting effect of the workpiece is good.

[0026] In one embodiment, a plurality of fixing blocks 213 are provided in the riveted seat 21, and the slide groove 212 is formed between the fixing blocks 213. The upper cover 26 is also included, and the guide plate 24 is hollow and annular. A circular positioning portion 261 is provided at the bottom of the upper cover 26 corresponding to the inner ring of the guide plate 24. The positioning portion 261 passes through the inner ring of the guide plate 24 and is fixedly connected to the fixing block 213 of the riveted seat 21. The connection method is, for example, a screw connection. Through such a setting, the assembly of the upper cover 26 and the riveted seat 21 clamps the guide plate 24 between the two, thereby simplifying the assembly process.

[0027] In one embodiment, transmission rods 27 are provided on both sides of the rotating member 22 ; this arrangement facilitates the manipulation of the rotating member 22 by a workpiece or a machine.

[0028] It is understandable that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of the present invention, and all such changes or substitutions should fall within the scope of protection of the present invention.

Claims

1. A riveting device, characterized in that: The cam is provided with a plurality of guide wheels, the guide wheels are provided with a plurality of guide wheels, the guide wheels are provided with a plurality of guide wheels, and the guide wheels are provided with a plurality of guide wheels. The rotating member is hollow, and a driving seat is provided on the inner circumference of the rotating member. The rotating member and the driving seat are an integrated structure. The inner circumference of the driving seat is provided with a centrifugal arc avoidance groove centered on the processing hole corresponding to the slider; the end of the slider is provided with a rolling bearing corresponding to the inner side wall of the centrifugal arc avoidance groove; the slider and the slide groove are provided with four corresponding ones; it also includes an upper cover, the guide plate is hollow annular, and a circular positioning part is provided on the bottom of the upper cover corresponding to the inner ring of the guide plate, and the positioning part passes through the inner ring of the guide plate and is fixedly connected to the riveted seat; transmission rods are provided on both sides of the rotating member.

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