Pull riveting assembly equipment

By designing automated riveting assembly equipment and utilizing a combination of positioning and riveting devices, precise positioning and automatic riveting of multiple parts are achieved, solving the problems of low efficiency and insufficient precision in manual operation and improving the accuracy and efficiency of riveting.

CN223820041UActive Publication Date: 2026-01-23XIONGWEI PRECISION IND GRP CO LTD
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Patent Information

Application Number
CN202520204025.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-08
Publication Date
2026-01-23
Estimated Expiration
2035-02-08

AI Technical Summary

Technical Problem

The existing manual operation of rivet guns is inefficient and carries the risk of missing or incomplete rivet pulling.

Method used

An automated device including a positioning device, a nut feeding device, and a riveting device was designed. It uses components such as servo motors, cylinders, and slide modules to achieve precise positioning and automatic riveting of nuts, and combines a displacement sensor to detect the riveting position.

Benefits of technology

This technology enables simultaneous riveting of multiple parts, solving the problems of low efficiency and insufficient precision in manual operation, and improving the accuracy and efficiency of riveting.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pull riveting assembly equipment, including positioning device, nut feeding device and pull riveting device, the positioning device includes the fixed plate that is vertically arranged, the both sides of fixed plate are equipped with a plurality of positioning columns, nut feeding device includes the vibrating disk, the discharge end of vibrating disk is equipped with the secondary positioning assembly, the secondary positioning assembly is equipped with the riveting device, the riveting device is equipped with the nut feeding device, and the riveting device is equipped with the nut feeding device. The rivet pulling device comprises a rivet pulling gun, a switch assembly and a moving assembly, the switch assembly is used for controlling a switch of the rivet pulling gun, and the moving assembly is used for driving the rivet pulling gun to move to the positions of the secondary positioning assembly and the positioning plate. By means of the automatic riveting device, riveting can be conducted on multiple parts at the same time, and the risk that manual riveting is prone to missing riveting and not in place riveting is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of nut assembly technology, specifically a riveting assembly device. Background Technology

[0002] Currently, riveting is widely used in the assembly process of automotive parts. The existing tools for riveting nuts are generally rivet guns, which are manually operated by hand. This manual method is not only inefficient, but also carries the risk of missing or not riveting properly. Utility Model Content

[0003] To address the shortcomings of existing technologies, this application provides a riveting assembly device, including a positioning device, a nut feeding device, and a riveting device. The positioning device includes a vertically arranged fixed plate with multiple positioning posts on both sides. The nut feeding device includes a vibratory feeder with a secondary positioning component at the discharge end. The riveting device includes a rivet gun, a switch assembly, and a moving assembly. The switch assembly controls the switching of the rivet gun, and the moving assembly moves the rivet gun to the position of the secondary positioning component and the fixed plate.

[0004] Furthermore, the positioning device also includes a servo motor, the output end of which is equipped with a movable plate via a lead screw, and the fixed plate is mounted on the movable plate.

[0005] Furthermore, multiple clamping cylinders are respectively provided on the movable plates on both sides of the fixed plate, and a pressure rod is provided at the output end of the clamping cylinder. A support column corresponding to the position of the pressure rod is provided on the fixed plate to prevent the parts from being deformed by pressure.

[0006] Furthermore, the secondary positioning component includes a positioning cylinder, and a positioning plate is provided at the output end of the positioning cylinder. The positioning plate has a positioning groove that matches the shape of the nut, and the positioning groove can be moved to the discharge end of the vibratory feeder.

[0007] Furthermore, a baffle is provided on one side of the positioning plate, and the positioning groove can move along the end face of the baffle.

[0008] Furthermore, the switching assembly includes a switching cylinder, and the output end of the switching cylinder is provided with a contact rod, which can abut against the switch of the rivet gun.

[0009] Furthermore, the moving component includes a linear slide module, on which a lifting cylinder is provided, and at the output end of the lifting cylinder is a lifting plate, and the rivet gun and the switch assembly are provided on the lifting plate.

[0010] Furthermore, a displacement sensor is installed on the lifting plate.

[0011] The advantage of this application is that the provided riveting assembly equipment can simultaneously rivet multiple parts, solving the problem that manual riveting is prone to missing parts or not riveting them properly. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of one embodiment of the riveting assembly equipment of this application;

[0013] Figure 2 for Figure 1 Schematic diagram of the secondary positioning component structure;

[0014] Figure 3 for Figure 1 Schematic diagram of the positioning device;

[0015] Figure 4 for Figure 3 Schematic diagram of local structure

[0016] Figure 5 for Figure 1 Schematic diagram of a local structure in the middle;

[0017] Figure 6 for Figure 5 Schematic diagram of the switch assembly structure.

[0018] The following are labeled in the diagram: 10. Vibratory feeder; 11. Secondary positioning assembly; 111. Positioning cylinder; 112. Positioning plate; 113. Positioning groove; 114. Support boss; 115. Baffle; 12. Positioning device; 121. Fixing plate; 122. First positioning column; 123. Second positioning column; 124. Servo motor; 125. Moving plate; 126. Pressing cylinder; 127. Pressure rod; 128. Support column; 129. Support block; 13. Truss; 14. Linear slide module; 15. Transverse plate; 16. Mounting plate; 17. Lifting cylinder; 18. Lifting plate; 19. Riveting gun; 20. Switch assembly; 201. Switching cylinder; 202. Connecting bracket; 203. Contact rod; 21. Displacement sensor. Detailed Implementation

[0019] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0020] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0021] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0022] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0023] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0025] See Figure 1 This embodiment provides a riveting assembly device, including a workbench with two riveting stations. A vibratory feeder 10 is provided on one side of the workbench. The vibratory feeder 10 has two discharge channels to provide nuts to the two riveting stations respectively. A secondary positioning component 11 is provided at the end of each of the two discharge channels to perform secondary positioning on the discharged nuts for accurate gripping.

[0026] like Figure 2 As shown, the secondary positioning component 11 includes a positioning cylinder 111. A positioning plate 112 is provided at the output end of the positioning cylinder 111. A positioning groove 113 adapted to the shape of the nut is provided on the positioning plate 112. The positioning groove can be moved to the discharge end of the vibratory feeder. The positioning groove 113 is a slot opened inward along the side wall of the positioning plate, and a support boss 114 is formed at its upper end to support the nut and prevent it from falling off. A baffle 115 is provided on the side adjacent to the positioning plate to block the positioning groove during the movement of the positioning plate. The moving position of the positioning plate is determined by positioning sensors provided at both ends of the positioning plate.

[0027] See Figure 3 and Figure 4 Each riveting station is equipped with a positioning device 12 for fixing parts. The positioning device 12 includes a vertically arranged fixing plate 121. Both sides of the fixing plate 121 are mounting end faces to simultaneously position two sets of parts. Each mounting end face is provided with a first positioning post 122. Since the parts in this embodiment are relatively long and the riveting position is on the side wall near one end of the part, the first positioning post 122 is used to support one end of the part. A second positioning post 13 is provided on the side of the fixing plate, and the second positioning post 123 is used to support the other end of the part.

[0028] The size and shape of the first positioning post 122 and the second positioning post 123 are determined according to the size and shape of the inner hole of the part. Generally speaking, the basic positioning needs can be met by supporting and positioning the two ends of the part. If necessary, positioning posts can be set at the corresponding positions on the fixing plate for support according to the shape characteristics of the part itself.

[0029] To move the part to the riveting position, the positioning device 12 also includes a servo motor 124. The output end of the servo motor 124 is connected to a moving plate 125 via a lead screw. A fixed plate 121 is mounted on the moving plate 125, and a second positioning post 123 is located at the edge of the moving plate. To fix the part, two sets of clamping cylinders 126 are respectively mounted on the moving plates 125 on both sides of the fixed plate. The position of the clamping cylinders is determined according to the riveting position of the part. A pressure rod 127 is mounted on the output end of the clamping cylinder 126. To prevent the part from being deformed by pressure, a support post 128 is mounted on the mounting end face corresponding to the position of the pressure rod 127. A support block 129 is also mounted near the support post 128 to provide support while the pressure rod presses against the part. The pressure rod is made of rubber to prevent damage to the part.

[0030] See Figures 5-6A truss 13 is set above the positioning device 12. A linear slide module 14 is set on the truss 13. A transverse slide plate 15 is set on the linear slide module 14. A mounting plate 16 is vertically set on the transverse slide plate 15. A lifting cylinder 17 is set on the mounting plate 16. A lifting plate 18 is set at the output end of the lifting cylinder 17. A rivet gun 19 is installed on the lifting plate 18. The lifting cylinder 17 drives the rivet gun 19 to descend, grab the nut, and complete the rivet action.

[0031] A switch assembly 20 is also provided on the mounting plate 16 to control the switching of the rivet gun 19. The switch assembly 20 includes a switch cylinder 201. A U-shaped connecting bracket 202 is provided at the output end of the switch cylinder 20. A contact rod 203 is provided at the bottom of the connecting bracket 202. The contact rod 203 and the connecting bracket 202 together form a rectangular structure for the rivet gun body to pass through. The contact rod 203 below can make contact with the rivet gun under the action of the switch cylinder.

[0032] In addition, a displacement sensor 21 is also provided on the mounting plate 16 on one side of the rivet gun 19 to detect the position of the rivet nut and determine whether it is assembled on the part.

[0033] Working principle: The part is manually placed on the positioning device and then pressed by the clamping cylinder. At the same time, the linear slide module and the lifting cylinder drive the rivet gun to move to the positioning slot, grab the nut, and return to the original position. The rivet gun is a pneumatic rivet gun. Then, the servo motor drives the part to move to the designated rivet position. Then the rivet gun moves above the rivet position and the lifting cylinder drives the rivet gun to descend so that the nut passes through the part. The switch cylinder starts and drives the contact rod to start the rivet gun. When the rivet is completed, the displacement sensor detects that it is in place, and the rivet gun and the positioning device return to the original position.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A riveting assembly device, characterized in that: The device includes a positioning device, a nut feeding device, and a riveting device. The positioning device includes a vertically arranged fixed plate with multiple positioning posts on both sides. The nut feeding device includes a vibratory feeder with a secondary positioning component at the discharge end. The riveting device includes a rivet gun, a switch assembly, and a moving assembly. The switch assembly controls the switching of the rivet gun, and the moving assembly moves the rivet gun to the position of the secondary positioning component and the fixed plate.

2. The riveting assembly equipment according to claim 1, characterized in that: The positioning device also includes a servo motor, the output end of which is equipped with a movable plate via a lead screw, and the fixed plate is mounted on the movable plate.

3. The riveting assembly equipment according to claim 2, characterized in that: Multiple clamping cylinders are respectively installed on the movable plates on both sides of the fixed plate, and a pressure rod is installed at the output end of the clamping cylinder.

4. The riveting assembly equipment according to claim 3, characterized in that: The fixing plate is provided with a support column corresponding to the position of the pressure rod.

5. The riveting assembly equipment according to claim 1, characterized in that: The secondary positioning component includes a positioning cylinder, and a positioning plate is provided at the output end of the positioning cylinder. The positioning plate has a positioning groove that matches the shape of the nut, and the positioning groove can be moved to the discharge end of the vibratory feeder.

6. The riveting assembly equipment according to claim 5, characterized in that: A baffle is provided on one side of the positioning plate, and the positioning groove can move along the end face of the baffle.

7. A riveting assembly device according to claim 1, characterized in that: The switching assembly includes a switching cylinder, and the output end of the switching cylinder is provided with a contact rod, which can abut against the switch of the rivet gun.

8. The riveting assembly equipment according to claim 1, characterized in that: The moving component includes a linear slide module, on which a lifting cylinder is mounted, and at the output end of the lifting cylinder is a lifting plate. The rivet gun and the switch assembly are mounted on the lifting plate.

9. A riveting assembly device according to claim 8, characterized in that: A displacement sensor is installed on the lifting plate.