CN220296336U - Nut squeeze riveter constructs based on stamping workpiece - Google Patents

Abstract

The utility model relates to a nut riveting mechanism based on a stamping part, which comprises a frame, wherein the frame is provided with the stamping part and a tool, the stamping part is positioned above the tool, an output shaft of the stamping part is connected with a stamping head, the tool comprises a mounting plate, a fixing seat, a telescopic column, a fixing frame and a positioning rod, the mounting plate is arranged on the frame, the fixing seat and the fixing frame are both connected on the mounting plate, the telescopic column is vertically matched on the fixing seat in a sliding manner, a telescopic spring is arranged in the fixing seat and positioned below the telescopic column, the positioning rod is connected with the fixing frame, during processing, a sheet metal part is arranged between the fixing seat and the fixing frame through the telescopic column and the positioning rod, and a riveting nut is arranged on the telescopic column and positioned above the sheet metal part. The utility model has the effect of improving the press riveting precision of the press riveting equipment.

Description

Nut squeeze riveter constructs based on stamping workpiece

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a nut press riveting mechanism based on a stamping part.

Background

The press riveting nut is also called as a riveting nut, and is a self-fastening nut applied to a sheet metal or a sheet metal, and has a circular shape, and one end is provided with embossing teeth and a guide groove. The principle is that the embossing teeth are pressed into preset hole positions of the metal plate, in general, the aperture of the preset hole is slightly smaller than that of the embossing teeth of the press-riveting nut, the embossing teeth of the press-riveting nut are extruded into the plate through pressure, plastic deformation is generated on the periphery of the preset hole, and deformed objects are extruded into the guide grooves, so that the locking effect is generated.

Referring to fig. 1, the prior art is a sheet metal part in a new energy automobile, and according to the process requirement, a press-riveting nut needs to be installed on the sheet metal part, so that a device for press-riveting the nut on the sheet metal part is required.

The chinese patent with publication number CN208555735U discloses a squeeze riveter, which comprises a frame, a squeeze riveter fixedly connected to the top of the frame, and a workbench below the squeeze riveter, wherein a feeding mechanism is arranged on the workbench: the feeding mechanism comprises a material carrying cylinder which is positioned in the middle of the workbench and is provided with a press-riveting nut and can automatically discharge, a material pushing plate which pushes the press-riveting nut out of the material carrying cylinder to the position right below the press-riveting mechanism, and a limiting plate which limits the material carrying cylinder to only pop up one press-riveting nut at a time. The utility model solves the problem that the traditional riveting nut needs to be placed on the workbench by hand, and is easy to hurt staff.

For the related art, in the prior art, a worker uses a pushing plate to transfer the press-riveting nut into the clamping groove, then uses a thimble to jack up the press-riveting nut, places a workpiece on the press-riveting nut, starts a hydraulic cylinder to punch the workpiece, however, in the prior art, no positioning means is provided for the workpiece, when the workpiece is press-riveted, the possibility that the relative position of the workpiece and the press-riveting nut is deviated exists, and the press-riveting precision of the press-riveting equipment is reduced.

Disclosure of Invention

In order to improve the riveting precision of riveting equipment, the application provides a nut riveting mechanism based on stamping parts.

The application provides a nut squeeze riveter constructs based on stamping workpiece adopts following technical scheme:

the utility model provides a nut squeeze riveter constructs based on stamping workpiece, includes the frame, install stamping workpiece and frock in the frame, the stamping workpiece is located the top of frock, be connected with the stamping head on the output shaft of stamping workpiece, the frock includes mounting panel, fixing base, telescopic column, mount and locating lever, the mounting panel is installed in the frame, the fixing base with the mount is all connected on the mounting panel, telescopic column vertical sliding fit is in on the fixing base, be provided with telescopic spring in the fixing base, telescopic spring is located the below of telescopic column, the locating lever is connected the mount, during the processing, the sheet metal component passes through telescopic column with the locating lever is installed the fixing base with between the mount, the squeeze riveter nut is placed on the telescopic column, and be located the top of sheet metal component.

Through adopting above-mentioned technical scheme, during processing, the staff passes the sheet metal component with flexible post and locating lever, will press the riveting nut to place on flexible post afterwards, starts the stamping workpiece at last, makes the output shaft of stamping workpiece descend, drives the stamping head and descends to the riveting nut is pressed in the punching press, has realized the effect with riveting nut riveting on the sheet metal component. The staff utilizes flexible post and locating lever to confirm the installation station of sheet metal component, will press and rivet the nut again and install on flexible post to this relative position of having ensured between press and rivet nut and the sheet metal component, reduced and in the press and riveted the in-process, press and riveted the possibility that the relative position between nut and the sheet metal component takes place the skew, improved the press and riveted the accuracy of equipment of pressing.

Optionally, the top of flexible post is round platform form setting.

Through adopting above-mentioned technical scheme, the staff sets up the top of flexible post into round platform formula, can make to press and rivet nut and sheet metal component more convenient, swiftly install on flexible post, has improved the installation effectiveness of pressing and riveting nut and sheet metal component.

Optionally, be provided with the buffering subassembly on the fixing base, the buffering subassembly includes cushion ring and buffer spring, the vertical sliding fit of cushion ring is in on the fixing base, the telescopic column is located in the cushion ring, and with the coaxial setting of cushion ring, buffer spring sets up in the fixing base, and is located the below of cushion ring.

Through adopting above-mentioned technical scheme, during the pressure is riveted, the sheet metal component is located the below of pressure riveting nut, can receive the pressure from pressure riveting nut suddenly, and this huge pressure makes the part of sheet metal component take place deformation easily. The staff utilizes the cooperation of buffer ring and buffer spring, has cushioned the pressure of pressing the riveting nut to a certain extent, has reduced the partial possibility of deformation of sheet metal component.

Optionally, be provided with the installation component on the mounting panel, the installation component includes erection column and locking bolt, the erection column is in connect a plurality of in the frame, the mounting panel corresponds the position department of erection column is opened there is the location arc groove, the laminating of location arc groove the surface of erection column, the locking bolt sets up on the mounting panel, the locking bolt passes the mounting panel with the frame, and with frame screw-thread fit.

Through adopting above-mentioned technical scheme, when assembling the mounting panel, the staff is earlier with the laminating of locating arc groove erection column surface to this installation station of having determined the mounting panel, rotates the locking bolt afterwards, with this locking mounting panel, has realized the installation of mounting panel.

Optionally, a plurality of guide bars are vertically arranged on the frame, a fixed plate is connected to the bottom end of the guide bar, the output shaft of the stamping part is connected with the fixed plate, and the stamping head is connected to the bottom wall of the fixed plate.

Through adopting above-mentioned technical scheme, the staff has utilized the guide bar to restrict the output direction of stamping workpiece, has reduced the possibility that takes place the skew when the punching press head punching press.

Optionally, be connected with two fixed blocks on the fixed plate, the fixed block is L type setting, two the fixed block sets up relatively, be connected with the installation head on the output shaft of stamping workpiece, the installation head is located two between the fixed block, the fixed block extrusion the installation head.

Through adopting above-mentioned technical scheme, the staff utilizes the fixed block extrusion installation head, has realized the detachable connection between installation head and the fixed plate, has improved the loading and unloading efficiency between stamping workpiece and the fixed plate.

Optionally, be provided with the stamping plate on the diapire of fixed plate and restrict the restriction subassembly of stamping plate, restriction subassembly includes restriction strip, restriction post and restriction bolt, the restriction strip is in connect two on the diapire of fixed plate, two the restriction strip sets up relatively, the restriction strip is L type setting, the fixed plate is located two between the restriction strip, the restriction post is connected on the diapire of fixed plate, it has the restriction arc groove to open on the stamping plate, the laminating of restriction arc groove the surface of restriction post, the restriction bolt passes the stamping plate with the fixed plate, and with fixed plate screw-thread fit.

Through adopting above-mentioned technical scheme, when installing the stamping plate, the staff utilizes the restriction strip to restrict the direction of movement of stamping plate, and reuse restriction arc groove and restriction post surface laminating have determined the mounted position of stamping plate, utilize the restriction bolt to lock the stamping plate on the fixed plate at last, have realized the installation of stamping plate.

Optionally, the punching plate with be provided with the anticollision subassembly between the mounting panel, the anticollision subassembly includes lift post and fixed column, the vertical connection of lift post is in on the punching plate, the fixed column is connected on the mounting panel, and is located under the lift post.

Through adopting above-mentioned technical scheme, the staff utilizes the lift post to contradict the fixed column to this has restricted the descending stroke of punching press head, has reduced the punching press head and has fallen the overtravel, leads to damaging the possibility of sheet metal component.

Optionally, an infrared sensor and a controller are arranged on the frame, and the infrared sensor and the stamping part are electrically connected to the controller.

Through adopting above-mentioned technical scheme, after the staff utilized the infrared inductor to respond to and did not have any barrier in the detection scope, the accessible controller starts the stamping workpiece to this has ensured that the stamping workpiece can not start when installing sheet metal component or pressure riveting nut, has improved the security of pressure riveting equipment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. during processing, staff passes the sheet metal component with flexible post and locating lever, will press the riveting nut to place on flexible post afterwards, starts the stamping workpiece at last, makes the output shaft of stamping workpiece descend, drives the stamping head and descends to the riveting nut is pressed in the punching press, has realized the effect with riveting nut on the sheet metal component. The staff utilizes flexible post and locating lever to confirm the installation station of sheet metal component, will press and rivet the nut again and install on flexible post to this relative position of having ensured between press and rivet nut and the sheet metal component, reduced and in the press and riveted the in-process, press and riveted the possibility that the relative position between nut and the sheet metal component takes place the skew, improved the press and riveted the accuracy of equipment of pressing.

Drawings

Fig. 1 is a schematic structural view of a sheet metal part and a clinch nut in the prior art.

Fig. 2 is a schematic diagram of an overall structure of a nut press-riveting mechanism based on a stamping part in an embodiment of the application.

FIG. 3 is a schematic illustration of the structure of a stamping, stamping head, stamping plate and restraining assembly in an embodiment of the present application.

Fig. 4 is a schematic installation view of a sheet metal part and a clinch nut on a tool in an embodiment of the application.

Fig. 5 is a schematic structural view of the tooling in the embodiment of the present application.

Fig. 6 is a cross-sectional view of a structure embodying a cushioning assembly and a telescoping rod in an embodiment of the present application.

Reference numerals illustrate: 01. a sheet metal part; 02. riveting a nut; 1. a frame; 2. stamping parts; 21. a guide rod; 211. a confinement ring; 22. a fixing plate; 221. a fixed block; 23. a mounting head; 3. a tool; 31. a mounting plate; 32. a fixing seat; 33. a telescopic column; 331. a telescopic spring; 34. a fixing frame; 35. a positioning rod; 4. a stamping plate; 41. a restriction assembly; 411. a restriction strip; 412. a restraining post; 413. a restraining bolt; 5. punching heads; 6. a mounting assembly; 61. a mounting column; 62. a locking bolt; 7. a buffer assembly; 71. a buffer ring; 72. a buffer spring; 8. an anti-collision assembly; 81. lifting columns; 82. fixing the column; 9. an infrared sensor; 91. and a controller.

Detailed Description

The present application is described in further detail below in conjunction with figures 2-6.

The embodiment of the application discloses a nut press riveting mechanism based on stamping parts. Referring to fig. 2, a nut riveting mechanism based on stamping parts comprises a frame 1, wherein the frame 1 is provided with a stamping part 2 and a tool 3, and the stamping part 2 is located above the tool 3.

Referring to fig. 2 and 3, the stamping 2 may be a hydraulic cylinder, and the stamping 2 is bolted to the frame 1. A plurality of guide rods 21 are vertically matched with the frame 1 in a sliding manner, and four guide rods are taken as an example in the embodiment. A limiting ring 211 is fixedly connected to the guide rod 21, and the limiting ring 211 is used for limiting the ascending travel of the guide rod 21. The bottom fixedly connected with fixed head of guide bar 21 has fixed plate 22 through bolted connection on the fixed head, and the roof of fixed plate 22 corresponds the position department of stamping workpiece 2 output shaft and has two fixed blocks 221 through bolted connection, and two fixed blocks 221 set up relatively, and fixed block 221 is L type setting, fixedly connected with installation head 23 on the output shaft of stamping workpiece 2, and installation head 23 is located between two fixed blocks 221, and fixed block 221 extrudees installation head 23.

Referring to fig. 3, a pressing plate 4 is provided on the bottom wall of the fixing plate 22, and a restricting member 41 restricting the pressing plate 4 is further provided on the fixing plate 22. The restraint assembly 41 includes a restraint bar 411, a restraint post 412, and a restraint bolt 413. The limiting strip 411 is arranged at two ends of the length direction of the fixed plate 22, the limiting strip 411 is in an L-shaped arrangement, a plurality of limiting columns 412 are fixedly connected to the bottom wall of the fixed plate 22, two limiting arc grooves are formed in the positions, corresponding to the limiting columns 412, of the stamping plate 4, the limiting arc grooves are attached to the outer surfaces of the limiting columns 412, a plurality of limiting bolts 413 are arranged on the stamping plate 4, and the limiting bolts 413 penetrate through the stamping plate 4 and the fixed plate 22 and are in threaded fit with the fixed plate 22 in the embodiment. The stamping plate 4 is connected with a stamping head 5 through bolts.

When the stamping plate 4 is installed, a worker limits the moving direction of the stamping plate 4 by using the limiting strip 411, then uses the limiting arc groove to be attached to the outer surface of the limiting column 412, determines the installation position of the stamping plate 4, finally uses the limiting bolt 413 to lock the stamping plate 4 on the fixed plate 22, and realizes the installation of the stamping plate 4.

Referring to fig. 4 and 5, the tool 3 includes a mounting plate 31, a fixing base 32, a telescopic column 33, a fixing frame 34, and a positioning rod 35. The mounting panel 31 sets up on frame 1, be provided with mounting assembly 6 on the mounting panel 31, mounting assembly 6 includes erection column 61 and locking bolt 62, erection column 61 is a plurality of in frame 1 fixed connection, this embodiment uses two as the example, the mounting panel 31 corresponds the position department of erection column 61 and opens there is the locating arc groove, the surface of erection column 61 is laminated to the locating arc groove, locking bolt 62 sets up a plurality of on mounting panel 31, this embodiment uses two as the example, locking bolt 62 passes mounting panel 31 and frame 1, and with frame 1 screw-thread fit.

Referring to fig. 5 and 6, the fixing base 32 and the fixing frame 34 are both connected to the mounting plate 31 by bolts, the top wall of the fixing base 32 is flush with the top wall of the fixing frame 34, and the positioning rod 35 is fixedly connected to the fixing frame 34. The telescopic column 33 is vertically matched on the fixed seat 32 in a sliding way, and the top end of the telescopic column 33 is arranged in a circular truncated cone shape. The fixed seat 32 is internally provided with a telescopic spring 331, and the telescopic spring 331 is positioned right below the telescopic column 33.

When installing sheet metal component 01, the staff places sheet metal component 01 on fixing base 32 and mount 34, passes sheet metal component 01 with flexible post 33 and locating lever 35, has realized the location installation of sheet metal component 01.

Referring to fig. 4 and 6, in order to reduce the possibility of deformation of the sheet metal part 01, the fixing base 32 is provided with a buffer assembly 7, and the buffer assembly 7 includes a buffer ring 71 and a buffer spring 72. The buffer ring 71 is vertically in sliding fit on the fixed seat 32, the buffer ring 71 and the telescopic column 33 are coaxially arranged, the telescopic column 33 is located in the buffer ring 71, and the buffer spring 72 is arranged in the fixed seat 32 and located under the buffer ring 71.

Referring to fig. 2 and 4, in order to reduce the possibility of damage to the sheet metal part 01, a bump guard 8 is provided between the fixing plate 22 and the mounting plate 31, and the bump guard 8 includes a lifting column 81 and a fixing column 82. The lifting columns 81 are connected to the fixing plate 22 by bolts, in this embodiment, two fixing columns 82 are connected to the mounting plate 31 by bolts at positions corresponding to the lifting columns 81, and the fixing columns 82 are located right below the lifting columns 81. The worker uses the lifting column 81 to abut against the fixing column 82 to limit the descending stroke of the punch 5.

Referring to fig. 2, in order to improve the safety of the press riveting apparatus, the infrared sensor 9 and the controller 91 are connected to the frame 1 by bolts, and the infrared sensor 9 and the stamping 2 are electrically connected to the controller 91.

The implementation principle of the nut press riveting mechanism based on the stamping part is as follows: during operation, the staff firstly places the sheet metal part 01 on the telescopic column 33 and the locating rod 35, then places the press-riveting nut 02 on the telescopic column 33, finally starts the stamping part 2 through the controller 91, enables the output shaft of the stamping part 2 to descend, enables the fixing plate 22 to descend, drives the stamping head 5 to descend so as to stamp the press-riveting nut 02, and achieves the effect of riveting the press-riveting nut 02 on the sheet metal part 01.

The staff utilizes flexible post 33 and locating lever 35 to confirm the installation station of sheet metal component 01, will press and rivet nut 02 again and fix a position on flexible post 33 to ensure the relative position between press and rivet nut 02 and the sheet metal component 01, reduced the in-process of press riveting, press and riveted the possibility that the relative position between nut 02 and the sheet metal component 01 takes place the skew, improved the press riveting precision of press riveting equipment.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. Nut press riveting mechanism based on stamping workpiece, its characterized in that: including frame (1), install stamping workpiece (2) and frock (3) on frame (1), stamping workpiece (2) are located the top of frock (3), be connected with punching press head (5) on the output shaft of stamping workpiece (2), frock (3) are including mounting panel (31), fixing base (32), telescopic column (33), mount (34) and locating lever (35), mounting panel (31) are installed on frame (1), fixing base (32) with fixing frame (34) all connect on mounting panel (31), telescopic column (33) vertical sliding fit is in on fixing base (32), be provided with telescopic spring (331) in fixing base (32), telescopic spring (331) are located the below of telescopic column (33), locating lever (35) are connected during processing, sheet metal component (01) pass through telescopic column (33) with locating lever (35) are installed fixing base (32) with between riveting frame (34), place telescopic column (33) and place sheet metal component (02) on the top of being located sheet metal component (01).

2. A nut clinching mechanism based on a stamping as claimed in claim 1, wherein: the top of the telescopic column (33) is arranged in a truncated cone shape.

3. A nut clinching mechanism based on a stamping as claimed in claim 1, wherein: the utility model discloses a buffer assembly, including fixing base (32), buffering subassembly (7) are including buffering ring (71) and buffer spring (72), buffering ring (71) vertical sliding fit is in on fixing base (32), flexible post (33) are located in buffering ring (71), and with buffering ring (71) coaxial setting, buffer spring (72) set up in fixing base (32), and be located the below of buffering ring (71).

4. A nut clinching mechanism based on a stamping as claimed in claim 1, wherein: the mounting plate (31) is provided with a mounting assembly (6), the mounting assembly (6) comprises a mounting column (61) and a locking bolt (62), the mounting column (61) is connected with a plurality of frames (1), the mounting plate (31) is provided with a positioning arc groove corresponding to the position of the mounting column (61), the positioning arc groove is attached to the outer surface of the mounting column (61), the locking bolt (62) is arranged on the mounting plate (31), and the locking bolt (62) penetrates through the mounting plate (31) and the frames (1) and is in threaded fit with the frames (1).

5. A nut clinching mechanism based on a stamping as claimed in claim 1, wherein: the novel stamping machine is characterized in that a plurality of guide rods (21) are vertically arranged on the frame (1), the bottom ends of the guide rods (21) are connected with a fixed plate (22), an output shaft of the stamping part (2) is connected with the fixed plate (22), and the stamping head (5) is connected to the bottom wall of the fixed plate (22).

6. The stamping-based nut clinching mechanism of claim 5, wherein: two fixed blocks (221) are connected to the fixed plate (22), the fixed blocks (221) are in L-shaped arrangement, the two fixed blocks (221) are oppositely arranged, an installation head (23) is connected to an output shaft of the stamping part (2), the installation head (23) is located between the two fixed blocks (221), and the fixed blocks (221) squeeze the installation head (23).

7. The stamping-based nut clinching mechanism of claim 5, wherein: be provided with clamp plate (4) and restriction on the diapire of fixed plate (22) clamp plate (4) restriction subassembly (41), restriction subassembly (41) are including restriction strip (411), restriction post (412) and restriction bolt (413), restriction strip (411) are in connect two on the diapire of fixed plate (22), two restriction strip (411) set up relatively, restriction strip (411) are L type setting, fixed plate (22) are located two between restriction strip (411), restriction post (412) are connected on the diapire of fixed plate (22), it has restriction arc groove to open on clamp plate (4), restriction arc groove laminating the surface of restriction post (412), restriction bolt (413) pass clamp plate (4) with fixed plate (22), and with fixed plate (22) screw thread fit.

8. The stamping-based nut clinching mechanism of claim 7, wherein: be provided with crashproof subassembly (8) between punching press board (4) with mounting panel (31), crashproof subassembly (8) include lift post (81) and fixed column (82), lift post (81) vertical connection is in on punching press board (4), fixed column (82) are connected on mounting panel (31), and are located under lift post (81).

9. A nut clinching mechanism based on a stamping as claimed in claim 1, wherein: the machine frame (1) is provided with an infrared inductor (9) and a controller (91), and the infrared inductor (9) and the stamping part (2) are electrically connected to the controller (91).