Rivet nut machining tool

By designing an automated rivet nut processing fixture and utilizing vacuum adsorption and hydraulic fixing technologies, the problem of the difficulty in quickly and accurately placing rivet nuts with existing fixtures has been solved, thereby improving processing efficiency and riveting quality.

CN223684378UActive Publication Date: 2025-12-19SUZHOU TRUST PRECISION FASTENERS CO LTD
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Patent Information

Application Number
CN202423052848.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-12-19
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing rivet nut processing fixtures are difficult to place quickly and accurately on the sheet metal parts during riveting, resulting in low efficiency, high labor intensity, and a high risk of errors.

Method used

A machining fixture including a base, guide rail, sliding frame, hydraulic rod, rivet gun, vacuum pump and vacuum suction cup was designed. The rivet nut is automatically positioned and fixed by a conveying device and a feeding mechanism. Vacuum adsorption technology is used to ensure accurate positioning, and hydraulic fixing components are combined to prevent the sheet metal parts from shifting.

Benefits of technology

It enables the rapid and accurate placement of rivet nuts, improving processing efficiency and riveting quality, while reducing the need for manual operation and positional errors.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223684378U_ABST
    Figure CN223684378U_ABST
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Abstract

The utility model discloses a rivet nut machining tool, and relates to the technical field of rivet nut machining tools. The top of the base is provided with a first guide rail, the first guide rail is slidably connected with a sliding frame, the top of the interior of the sliding frame is provided with a second guide rail, the second guide rail is slidably connected with a guide block, the bottom of the guide block is provided with a hydraulic rod, one end of the hydraulic rod is provided with a riveter, and the top of the base is provided with two sets of supporting columns; a supporting plate is arranged at the tops of the two sets of supporting columns, a fixing assembly is arranged on the supporting plate, a conveying device is arranged at the top of the base, a vacuum pump is arranged at the top of the base, an exhaust pipe is arranged at one end of the vacuum pump, and a discharging mechanism is arranged on the left side wall of the sliding frame. The rivet nut can be rapidly and accurately placed at the preset position of the sheet metal part, manual placement is not needed, and the machining efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a pull rivet nut processing frock technical field, concretely is a kind of pull rivet nut processing frock. BACKGROUND

[0002] Pull rivet nut is a threaded connecting piece fixed on sheet metal part by riveting, first select appropriate sheet metal part and pull rivet nut, place pull rivet nut on predetermined position on sheet metal part, use riveter or sheet metal stamping die to rivet pull rivet nut on sheet metal part;

[0003] Now pull rivet nut processing frock when riveting pull rivet nut on sheet metal part, need staff to manually place pull rivet nut on predetermined position (this position is through hole) on sheet metal part, low efficiency, high labor intensity, repeat the same work, eye is also easy to fatigue, easy to rivet wrong position and extremely easy to produce danger, so that the pull rivet nut processing frock of existing will be set up feeding mechanism, but only can transport pull rivet nut, difficult to place accurately on predetermined position on sheet metal part, therefore, we propose a kind of pull rivet nut processing frock. SUMMARY

[0004] To solve the problem that the feeding mechanism provided on the existing pull rivet nut processing frock can only transport pull rivet nuts and is difficult to place them accurately on predetermined positions on sheet metal parts, the utility model aims to provide a pull rivet nut processing frock.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a pull rivet nut processing frock, comprising a base, a first guide rail is arranged on the top of the base, a sliding frame is slidably connected to the first guide rail, a second guide rail is arranged on the top of the sliding frame, a guide block is slidably connected to the second guide rail, a hydraulic rod is arranged on the bottom of the guide block, a riveter is arranged on one end of the hydraulic rod, two groups of supporting columns are arranged on the top of the base, a supporting plate is arranged on the top of the two groups of supporting columns, a fixing assembly is arranged on the supporting plate, a conveying device is arranged on the top of the base, a vacuum pump is arranged on the top of the base, an air extraction pipe is arranged on one end of the vacuum pump, and a feeding mechanism is arranged on the left side wall of the sliding frame.

[0006] Preferably, the feeding mechanism comprises a fixing box arranged on the left side wall of the sliding frame, a lifting piece is connected to the top of the fixing box through a bearing, a driven bevel gear is installed on the outer wall of the lifting piece, a driving bevel gear is arranged in the fixing box and engaged with the driven bevel gear, a motor is arranged on the left side wall of the fixing box, the output end of the motor is connected to the left side wall of the driving bevel gear, a second electric telescopic rod is arranged below the fixing box, a connecting rod is arranged on one end of the second electric telescopic rod, a vacuum chuck is arranged on one end of the connecting rod, and one end of the air extraction pipe is connected to the vacuum chuck.

[0007] Preferably, the lifting piece comprises a sleeve provided with a bearing connection at the top of the fixed box, a first electric telescopic rod is arranged in the sleeve, a sliding plate is arranged at one end of the first electric telescopic rod, and a lifting rod is arranged at one end of the sliding plate and connected with one end of a second electric telescopic rod.

[0008] Preferably, guide grooves are arranged in the left and right side walls of the sleeve, and guide blocks matched with the guide grooves are arranged on the left and right side walls of the sliding plate.

[0009] Preferably, a through hole is arranged in the bottom of the fixed box, and a bearing one is arranged on the outer wall of the sleeve and matched with the inner wall of the through hole.

[0010] Preferably, the lifting rod and the connecting rod are both arranged in an L shape.

[0011] Preferably, the fixing assembly comprises connecting frames arranged on the left and right sides of the bottom of a support plate, two groups of fixing plates are arranged above the support plate, hydraulic cylinders are arranged on the top of the two groups of connecting frames, and the power output ends of the hydraulic cylinders are connected with the top of the fixing plates.

[0012] Preferably, four groups of grooves are arranged in the top of the support plate and are distributed at equal intervals.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The conveying device, the discharging assembly, the vacuum pump and the air suction pipe are arranged, so that the rivet nut can be quickly and accurately placed on the predetermined position of the sheet metal part, manual placement is not needed, and the processing efficiency is improved.

[0015] 2. The fixing assembly is arranged, so that the sheet metal part is fixed when placed on the support plate, displacement does not occur when riveting the sheet metal part, and the riveting quality is improved.

[0016] 3. The grooves are arranged, so that the reserved position on the sheet metal part is matched with the grooves, and the rivet gun can rivet the rivet nut on the sheet metal part without influence. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 It is a structure schematic view of the utility model;

[0019] Figure 2 It is a structure schematic view of the utility model material taking mechanism;

[0020] Figure 3 It is a structure schematic view of the utility model Figure 1 It is a structure enlarged schematic view of A place in the middle.

[0021] In the drawing: 1, base; 2, first guide rail; 3, sliding frame; 4, second guide rail; 5, guide block; 6, discharging mechanism; 60, fixed box; 61, motor; 62, driving bevel gear; 63, lifting piece; 630, sleeve; 631, first electric telescopic rod; 632, sliding plate; 633, lifting rod; 64, second electric telescopic rod; 65, driven bevel gear; 66, connecting rod; 67, vacuum chuck; 7, vacuum pump; 8, air extraction pipe; 9, conveying device; 10, support column; 11, support plate; 12, slot; 13, fixing assembly; 130, hydraulic cylinder; 131, fixed plate; 132, connecting frame; 14, rivet gun; 15, hydraulic rod. Specific implementation

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] As Figures 1-3 shown, the utility model provides a kind of rivet nut processing frock, including base 1, the top of base 1 is equipped with first guide rail 2, first guide rail 2 is equipped with sliding frame 3 with sliding connection, the top of sliding frame 3 is equipped with second guide rail 4, second guide rail 4 is equipped with guide block 5 with sliding connection, the bottom of guide block 5 is equipped with hydraulic rod 15, one end of hydraulic rod 15 is equipped with rivet gun 14, the top of base 1 is equipped with two groups of support column 10, the top of two groups of support column 10 is equipped with support plate 11, support plate 11 is equipped with fixing assembly 13, the top of base 1 is equipped with conveying device 9, the top of base 1 is equipped with vacuum pump 7, one end of vacuum pump 7 is equipped with air extraction pipe 8, the left side wall of sliding frame 3 is equipped with discharging mechanism 6.

[0024] The discharging mechanism 6 comprises a fixed box 60 arranged on the left side wall of the sliding frame 3, a lifting piece 63 connected to the top of the fixed box 60 through a bearing, a driven bevel gear 65 installed on the outer wall of the lifting piece 63, a driving bevel gear 62 arranged in the fixed box 60 and engaged with the driven bevel gear 65, a motor 61 arranged on the left side wall of the fixed box 60 and connected to the left side wall of the driving bevel gear 62, and a second electric telescopic rod 64 arranged below the fixed box 60 and provided with a connecting rod 66 at one end and a vacuum chuck 67 at the other end of the connecting rod 66.

[0025] By adopting the above technical scheme, the pull rivet nut can be taken and discharged, so that the pull rivet nut can be quickly and accurately placed on the predetermined position of the sheet metal part without manual placement.

[0026] The lifting piece 63 comprises a sleeve 630 connected to the top of the fixed box 60 through a bearing, a through hole is formed in the bottom of the fixed box 60, a bearing one is installed on the outer wall of the sleeve 630 and matched with the inner wall of the through hole, the sleeve 630 rotates more stably under the action of the bearing one, a first electric telescopic rod 631 is arranged at the top of the sleeve 630, a sliding plate 632 is arranged at one end of the first electric telescopic rod 631, guide grooves are formed in the left and right side walls of the sleeve 630, guide blocks matched with the guide grooves are arranged on the left and right side walls of the sliding plate 632, the sliding plate 632 moves more stably in the sleeve 630 under the action of the guide grooves and the guide blocks, a lifting rod 633 is arranged at one end of the sliding plate 632, the lifting rod 633 and the connecting rod 66 are both arranged in an L shape, and one end of the lifting rod 633 is connected to one end of the second electric telescopic rod 64.

[0027] By adopting the above technical scheme, the first electric telescopic rod 631 drives the sliding plate 632 to move up and down, the sliding plate 632 drives the lifting rod 633 to move up and down, and the lifting rod 633 can drive the vacuum chuck 67 and the pull rivet nut to move up and down, so as to realize the discharging and taking of the pull rivet nut.

[0028] The fixing assembly 13 comprises two connecting frames 132 arranged on the left and right sides of the bottom of the support plate 11, two groups of fixing plates 131 arranged above the support plate 11, and a hydraulic cylinder 130 arranged on the top of each connecting frame 132 and connected to the top of each fixing plate 131.

[0029] By adopting the above technical scheme, the sheet metal part is placed on the support plate 11, the hydraulic cylinder 130 drives the fixing plate 121 to extrude and fix the sheet metal part, and displacement does not occur during riveting of the sheet metal part, so as to improve the riveting quality.

[0030] Four groups of grooves 12 are arranged on the top of the support plate 11 and are equally distributed on the top of the support plate 11.

[0031] By adopting the technical scheme, when the sheet metal part is placed on the support plate 11, the reserved position on the sheet metal part can be adjusted to be aligned with the slot 12, so that the riveting of the rivet nut and the sheet metal part will not be affected during subsequent processing.

[0032] Working principle: place the sheet metal part on the support plate 11, align the reserved position on the sheet metal part with the slot 12, then the hydraulic cylinder 130 drives the fixed plate 121 to extrude and fix the sheet metal part, the conveying device 9 conveys the rivet nut, when the rivet nut is conveyed to the position close to the sheet metal part, the first electric telescopic rod 631 drives the sliding plate 632 to move downward, the sliding plate 632 drives the lifting rod 633 to move downward, the lifting rod 633 drives the vacuum chuck 67 to move downward and contact the rivet nut, under the action of the vacuum pump 7, the vacuum chuck 67 can adsorb and fix the rivet nut, then the motor 61 drives the driving bevel gear 62 to rotate, the driving bevel gear 62 drives the driven bevel gear 65 to rotate, the driven bevel gear 65 drives the sleeve 630 to rotate, the sleeve 630 drives the vacuum chuck 67 to rotate, at the same time, the second electric telescopic rod 634 drives the connecting rod 66 and the vacuum chuck 67 to move, which can move the rivet nut to the position directly above the reserved position on the sheet metal part, then the first electric telescopic rod 631 drives the sliding plate 632 to move downward, the sliding plate 632 drives the lifting rod 633 to move downward, the lifting rod 633 drives the vacuum chuck 67 and the rivet nut to move downward, and the rivet nut is placed in the reserved position on the sheet metal part, then the vacuum pump 7 stops working, the vacuum chuck 67 is removed, the sliding frame 3 moves back and forth on the first guide rail 2, which can drive the rivet gun 14 to move back and forth, the guide block 5 moves left and right on the second guide rail 4, the guide block 5 drives the rivet gun 14 to move left and right, the hydraulic rod 15 drives the rivet gun 14 to move downward and rivet the rivet nut, during riveting, the feeding mechanism 6 takes and places the material, and the rivet nut is placed in other reserved positions, realizing automatic processing.

[0033] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A kind of pull rivet nut processing frock, including base (1), the top of the base (1) is equipped with first guide rail (2), the first guide rail (2) is slidably connected with sliding frame (3), the inner top of the sliding frame (3) is equipped with second guide rail (4), the second guide rail (4) is slidably connected with guide block (5), the bottom of the guide block (5) is equipped with hydraulic rod (15), one end of the hydraulic rod (15) is equipped with rivet gun (14), it is characterized by: The top of the base (1) is provided with two groups of support columns (10), and the top of the two groups of support columns (10) is provided with a support plate (11), and the support plate (11) is provided with a fixing assembly (13), and the top of the base (1) is provided with a conveying device (9), and the top of the base (1) is provided with a vacuum pump (7), and one end of the vacuum pump (7) is provided with a suction pipe (8), and the left side wall of the sliding frame (3) is provided with a discharging mechanism (6).

2. A process tool for machining a riv-nut as claimed in claim 1, characterized in that, The discharging mechanism (6) comprises a fixed box (60) provided on the left side wall of the sliding frame (3), a lifting piece (63) connected by a bearing is arranged on the top of the fixed box (60), a driven bevel gear (65) is arranged on the outer wall of the lifting piece (63), a driving bevel gear (62) is arranged in the fixed box (60) and meshes with the driven bevel gear (65), a motor (61) is arranged on the left side wall of the fixed box (60), the output end of the motor (61) is connected with the left side wall of the driving bevel gear (62), a second electric telescopic rod (64) is arranged below the fixed box (60), a connecting rod (66) is arranged at one end of the second electric telescopic rod (64), and a vacuum chuck (67) is arranged at one end of the connecting rod (66). One end of the suction pipe (8) is connected with the vacuum chuck (67).

3. A process tool for machining a riv-nut according to claim 2, characterized in that The lifting piece (63) comprises a sleeve (630) connected by a bearing on the top of the fixed box (60), a first electric telescopic rod (631) is arranged on the top of the sleeve (630), a sliding plate (632) is arranged at one end of the first electric telescopic rod (631), and a lifting rod (633) is arranged at one end of the sliding plate (632). One end of the second electric telescopic rod (64) is connected with the lifting rod (633).

4. The riv-nut machining tooling of claim 3, wherein, The left and right side walls of the sleeve (630) are provided with guide grooves, and the left and right side walls of the sliding plate (632) are provided with guide blocks matched with the guide grooves.

5. The riv-nut machining tooling of claim 3, wherein, The bottom of the fixed box (60) is provided with a through hole, and a bearing one is arranged on the outer wall of the sleeve (630) and matched with the inner wall of the through hole.

6. A process tool for machining a riv-nut as claimed in claim 3, characterized in that, The lifting rod (633) and the connecting rod (66) are both arranged in L shape.

7. The process tooling for a pull-rivet nut as defined in claim 1 wherein, The fixing assembly (13) comprises a connecting frame (132) arranged on the bottom of the support plate (11) and on the left and right sides, two groups of fixing plates (131) are arranged above the support plate (11), a hydraulic cylinder (130) is arranged on the top of each connecting frame (132), and the power output end of the hydraulic cylinder (130) is connected with the top of the fixing plate (131).

8. The riv-nut machining tooling of claim 1, wherein, Four groups of grooves (12) are arranged on the top of the support plate (11) and are distributed at equal intervals.