CN217749186U

CN217749186U - Automatic rivet nut rifle is rotatory to be nailed and is constructed

Info

Publication number: CN217749186U
Application number: CN202123371598.XU
Authority: CN
Inventors: 曹璨; 姚峰
Original assignee: Suzhou Swansea Intelligent Equipment Technology Co ltd
Current assignee: Suzhou Swansea Intelligent Equipment Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-11-08
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a rotary riveting mechanism of an automatic rivet pulling nut gun, which comprises a clamping mechanism for clamping a rivet nut and a driving device for driving the clamping mechanism to vertically move; the rotary nail feeding mechanism also comprises a guide piece, and a guide groove is formed in the guide piece; the driving device is also provided with a guide rod which is arranged in the guide groove; when the driving device drives the clamping mechanism to vertically move, the guide rod slides along the guide groove, so that the clamping mechanism deflects in a plane. The utility model discloses can with two unifications of traditional two actions of nailing mechanism's the tilt cylinder that stretch, the action is simple to accelerate rivet nut's material loading speed, higher accuracy has simultaneously.

Description

Automatic rivet nut rifle is rotatory to be nailed and is constructed

Technical Field

The utility model relates to a rivet equipment technical field, in particular to automatic rotatory mechanism of nailing of rivet nut rifle.

Background

The rivet nut is developed as a fastener for solving the defects that a welding nut of a metal sheet and a thin pipe is easy to melt, tapping internal threads are easy to slip, and the like; the riveting tool does not need tapping internal threads or welding nuts, is firm in riveting, high in efficiency and convenient to use; the method is widely used for assembling electromechanical and light industrial products such as automobiles, aviation, instruments, furniture and the like.

At present, automatic nut riveting equipment generally drives a rivet nut gun by using a robot or a three-axis platform to automatically rivet a product, so that the manual work is replaced, and the production efficiency is improved; the rivet nut is conveyed and loaded through the automatic rivet loading mechanism, then a rivet nut gun can automatically take materials, and the robot or the three-axis platform inserts the rivet nut gun after taking the materials into a riveting hole of a product for automatic rivet pulling.

However, the automatic rivet feeding mechanisms of the current common robot or the rivet nut gun of the three-axis platform all adopt a structure of an extending and swinging cylinder, and the adoption of the structure of the extending and swinging cylinder for feeding has the following disadvantages: the automatic nail feeding structure of the stretching and swinging cylinder is complex in action and has the inherent defect of swinging clearance, so that the nail feeding speed is low, and the accuracy is poor. Thereby affecting the production efficiency and the production quality of the automatic nut riveting device, and therefore, the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an automatic rivet nut rifle's rotatory mechanism of nailing, simple structure, the automatic action of nailing to can be fast, accurately give rivet nut rifle transport rivet nut.

The utility model discloses a following technical scheme realizes:

a rotary riveting mechanism of an automatic riveting nut gun comprises a clamping mechanism for clamping a riveting nut and a driving device for driving the clamping mechanism to vertically move; the rotary nail feeding mechanism also comprises a guide piece, and a guide groove is formed in the guide piece; the driving device is also provided with a guide rod, and the guide rod is arranged in the guide groove; when the driving device drives the clamping mechanism to vertically move, the guide rod slides along the guide groove, so that the clamping mechanism deflects in a plane.

Further, the driving device is arranged to be a driving cylinder, and the clamping mechanism is connected with a piston rod of the driving cylinder; the guide rod is arranged on a piston rod of the driving cylinder, and the piston rod of the driving cylinder drives the clamping mechanism to deflect.

Further, the driving cylinder is a double-rod cylinder, and piston rods are arranged at two ends of the double-rod cylinder; the guide rod and the clamping mechanism are respectively connected to piston rods at two ends of the double-rod cylinder.

Further, the guide piece is arranged to be a drum with a hollow interior, the guide groove is formed in the side wall of the drum, and the piston rod of the driving cylinder is arranged in the drum.

Furthermore, the rotary nailing mechanism also comprises a positioning device, and a first positioning groove is formed in the positioning device; the driving device drives the clamping mechanism to fall back into the first positioning groove, and the first positioning groove positions the clamping mechanism.

Further, the guide groove comprises a straight line section and an arc line section, and when the guide rod slides in the straight line section, the clamping mechanism vertically moves and moves out of the first positioning groove or falls back into the first positioning groove; when the guide rod slides in the arc segment, the clamping mechanism deflects.

Furthermore, a nut guider is further arranged on the positioning device, and a guide hole is formed in the nut guider; and the blind rivet nut enters the clamping mechanism from the guide hole.

Furthermore, clamping mechanism includes the finger cylinder, all be provided with the locating piece that is used for pressing from both sides tight rivet nut on two clamping jaws of finger cylinder.

Furthermore, the rotary nailing mechanism further comprises an installation back plate, a rivet nut gun is arranged on the installation back plate, and the driving device and the clamping mechanism are arranged on one side of the rivet nut gun.

Compared with the prior art, the utility model has the advantages of:

1. through the arrangement of the clamping mechanism, the driving device, the guide rod, the guide piece and the guide groove in the guide piece, the effect of quickly and accurately conveying the blind rivet nut to the blind rivet nut gun can be achieved.

2. Through setting up drive arrangement into driving actuating cylinder to set up the guide arm on driving actuating cylinder's piston rod, also can play and rotate when the piston rod vertical movement, thereby drive clamping mechanism and carry out the effect that deflects.

3. Through the arrangement of the positioning device and the first positioning groove, the position of the clamping mechanism can be positioned, so that the riveting nut can be accurately conveyed to the clamping mechanism through the feeding jacking pipe.

4. The guide groove is formed by the arc line segment and the straight line segment, so that the effect that the clamping mechanism can deflect and can accurately fall back to the positioning groove to be positioned can be achieved.

5. Through the arrangement of the nut guider, the blind rivet nut can be accurately conveyed to the clamping mechanism.

6. Through the setting of finger cylinder, can play and stabilize the effect of centre gripping to the rivet nut.

Drawings

Fig. 1 is a schematic view of an overall structure of an embodiment of the present invention;

fig. 2 is a schematic view of a connection structure between a clamping mechanism and a driving device according to an embodiment of the present invention;

fig. 3 is an exploded view of a clamping mechanism and drive mechanism connection according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a clamping mechanism according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a first positioning block and a second positioning block according to an embodiment of the present invention.

1. Mounting a back plate; 2. pulling a rivet nut gun; 3. a clamping mechanism; 31. a finger cylinder; 4. a drive device; 41. a guide bar; 5. a guide member; 51. a guide groove; 52. a straight line segment; 53. an arc segment; 6. mounting blocks; 7. feeding a pipe jacking; 8. a nut guide; 9. a positioning device; 10. a first positioning groove; 11. a first positioning block; 12. a second positioning block; 13. a groove; 14. accommodating grooves; 15. a second positioning groove; 16. a cambered surface section; 17. a straight section; 18. a slope section.

Detailed Description

The following detailed description is given to the embodiments of the present invention with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 and 2, the utility model discloses an automatic rivet nut rifle of riveting is rotatory to be nailed the mechanism, including installation backplate 1, be provided with rivet nut rifle 2 on the installation backplate 1, still be provided with the clamping mechanism 3 that is used for pressing from both sides tight rivet nut and drive clamping mechanism 3 vertical removal's drive arrangement 4 on installation backplate 1 in rivet nut rifle 2 one side. The mounting back plate 1 is also provided with a guide piece 5, and the guide piece 5 is provided with a guide groove 51; the driving device 4 is further provided with a guide rod 41, and the guide rod 41 is arranged in the guide groove 51. The application is rotatory to be nailed the mechanism, and when drive arrangement 4 drive clamping mechanism 3 vertical movement, guide arm 41 slides along guide way 51 to make clamping mechanism 3 deflect to rivet nut rifle 2 one side in vertical movement, thereby carry the rivet nut for rivet nut rifle 2, compare with the conventional art, the action of nailing mechanism is simple, fast and the degree of accuracy is high on this application.

As shown in fig. 2 and 3, in the present embodiment, the driving device 4 is configured as a double-rod cylinder, both ends of the double-rod cylinder are provided with piston rods (the double-rod cylinder is a conventional product), and the guide rod 41 and the clamping mechanism 3 are respectively connected to the piston rods at both ends of the double-rod cylinder. The mounting back plate 1 is fixed with a mounting block 6 through a bolt, and the body of the double-rod cylinder is fixed on the mounting block 6. The guide 5 is provided as a drum with a hollow interior, and the guide grooves 51 open on the side wall of the drum. The guide piece 5 is fixed on the mounting block 6 through a bolt and covers the piston rod at the top end of the double-rod cylinder. When the double-rod cylinder works, the piston rod of the double-rod cylinder vertically moves, and the guide rod 41 on the piston rod slides in the guide groove 51, so that the piston rod can also rotate while vertically moving, and the clamping mechanism 3 is driven to deflect towards one side of the rivet nut gun 2. Compare with stretching of traditional nail mechanism pendulum jar structure, this application will stretch two kinds of actions of pendulum jar and unite two into one to the speed of material loading has been accelerated.

As shown in fig. 2 and fig. 3, in this embodiment, a feeding jacking pipe 7 is further disposed above the clamping mechanism 3, and the feeding jacking pipe 7 is connected to an automatic rivet nut conveying mechanism (not shown in the figure) and is used for conveying the rivet nuts onto the clamping mechanism 3. A positioning device 9 is further fixed above the clamping mechanism 3 on the double-rod cylinder, as shown in fig. 3, a first positioning groove 10 is arranged at the bottom of the positioning device 9, and the shape and the size of the first positioning groove 10 are matched with the shape and the size of the top of the clamping mechanism 3. After the primary nail feeding process is completed, the double-rod cylinder drives the clamping mechanism 3 to reset, the clamping mechanism 3 falls back into the first positioning groove 10 at the bottom of the positioning device 9, and the first positioning groove 10 can position the clamping mechanism 3, so that the feeding jacking pipe 7 can accurately convey the rivet nut to the clamping mechanism 3.

As shown in fig. 2 and 3, in order to improve the precision, in the present embodiment, the guide groove 51 is formed by a straight line section 52 and an arc line section 53, and when the piston rod of the double-rod cylinder moves, the guide rod 41 moves vertically in the straight line section 52, so that the clamping mechanism 3 moves vertically, and thus can move out of the first positioning groove 10 or accurately fall back into the first positioning groove 10. The guide rod 41 moves in the arc section 53, and under the guidance of the arc section 53, the piston rod of the double-rod cylinder rotates, so that the clamping mechanism 3 is driven to deflect towards one side of the rivet nut gun 2, and the rivet nut is conveyed to the rivet nut gun 2. The arc line section 53 has a spiral structure that rotates toward the blind rivet nut gun 2 from the top to the bottom. In addition, a nut guide 8 is arranged on the positioning device 9, and a guide hole is arranged in the nut guide 8; the feeding jacking pipe 7 is arranged above the nut guider 8 and connected with the guide hole, and one end, far away from the feeding jacking pipe 7, of the guide hole is connected with the clamping mechanism 3, so that the rivet nut can be accurately conveyed to the clamping mechanism 3, and the accuracy of the rotary nailing mechanism is further improved.

As shown in fig. 4 and 5, in the present embodiment, the clamping mechanism 3 includes a finger cylinder 31, and the two jaws of the finger cylinder 31 are respectively provided with a first positioning block 11 and a second positioning block 12. The first positioning block 11 and the second positioning block 12 are disposed opposite to each other, and the opposite surfaces thereof are provided with grooves 13, and the grooves 13 extend to the top side wall of the first positioning block 11 or the second positioning block 12. Recess 13 comprises holding tank 14 and the second constant head tank 15 of being connected with holding tank 14 by holding tank 14, and wherein holding tank 14 sets up to cambered surface section 16, and second constant head tank 15 comprises straight section 17 and inclined plane section 18, and cambered surface section 16, straight section 17 and inclined plane section 18 connect gradually and have formed recess 13. In the initial state, the accommodating grooves 14 on the first positioning block 11 and the second positioning block 12 are opposite, the feeding jacking pipe 7 conveys the blind rivet nut between the two accommodating grooves 14, and the second positioning grooves 15 on the first positioning block 11 and the second positioning block 12 are respectively positioned on two sides of the blind rivet nut. Then the work of finger cylinder 31, the first locating piece 11 of two clamping jaw drive of finger cylinder 31 and second locating piece 12 are close to each other and slide to finally make second constant head tank 15 and the butt of rivet nut side on first locating piece 11 and the second locating piece 12, thereby carry out the centre gripping location to the rivet nut. In addition, can set up contained angle between straight section 17 and the inclined plane section 18 and hexagonal rivet nut's limit looks adaptation to make straight section 17 and inclined plane section 18 can draw the adjacent side butt of grinding the nut with the hexagonal respectively, thereby fix a position hexagonal rivet nut's angle. So that the hexagonal blind rivet nut of specific angle can be taken to blind rivet nut rifle 2 to insert it in the hexagonal hole on the product, thereby make the automatic nut equipment of riveting automatically that has this rotatory mechanism of screwing up rivet nut can rivet the hexagonal blind rivet nut automatically.

The implementation principle of the embodiment is as follows: the feeding jacking pipe 7 conveys the rivet nuts to the clamping mechanism 3, and the rivet nuts fall between the accommodating grooves 14 on the first positioning block 11 and the second positioning block 12 in the initial state. The finger cylinder 31 drives the first positioning block 11 and the second positioning block 12 to slide relatively, so that the second positioning grooves 15 on the first positioning block 11 and the second positioning block 12 clamp and position the side edges of the rivet nuts. Then the double-rod cylinder works, the piston rod of the double-rod cylinder drives the clamping mechanism 3 to vertically move, and under the guiding action of the guide groove 51 on the rotary drum, the piston rod of the double-rod cylinder can vertically move and simultaneously rotate, so that the clamping mechanism 3 is driven to deflect towards one side of the rivet nut gun 2, and the rivet nut is conveyed to the rivet nut gun 2.

After the rivet nut gun 2 automatically takes out the rivet nut, the double-rod cylinder drives the clamping mechanism 3 to reset, and under the guiding action of the guide groove 51, the clamping mechanism 3 falls back into the first positioning groove 10 of the positioning device 9. Then, the feeding jacking pipe 7 continues to convey the blind rivet nut to the clamping mechanism 3, so that the next feeding process is performed.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A rotary riveting mechanism of an automatic riveting nut gun is characterized by comprising a clamping mechanism (3) for clamping a riveting nut and a driving device (4) for driving the clamping mechanism (3) to vertically move; the rotary nailing mechanism further comprises a guide piece (5), and a guide groove (51) is formed in the guide piece (5); the driving device (4) is also provided with a guide rod (41), and the guide rod (41) is arranged in the guide groove (51); when the driving device (4) drives the clamping mechanism (3) to move vertically, the guide rod (41) slides along the guide groove (51), so that the clamping mechanism (3) deflects in a plane.

2. The rotary nailing mechanism of an automatic riveter nut gun according to claim 1, wherein the driving means (4) is arranged as a driving cylinder, the clamping mechanism (3) being connected to a piston rod of the driving cylinder; the guide rod (41) is arranged on a piston rod of the driving cylinder, and the piston rod of the driving cylinder drives the clamping mechanism (3) to deflect.

3. The automatic riveter nut gun rotary nailing mechanism of claim 2, wherein the driving cylinder is configured as a dual-rod cylinder, both ends of which are provided with piston rods; the guide rod (41) and the clamping mechanism (3) are respectively connected to piston rods at two ends of the double-rod cylinder.

4. A rotary nailing mechanism of automatic riveter nut guns according to claim 3, characterised in that the guide (5) is provided as a hollow interior drum, the guide groove (51) opening onto the side wall of the drum, the piston rod of the drive cylinder being provided in the drum.

5. The automatic riveter nut gun rotary nailing mechanism of any one of claims 1-4, wherein the rotary nailing mechanism further comprises a positioning device (9), and a first positioning groove (10) is arranged on the positioning device (9); the driving device (4) drives the clamping mechanism (3) to fall back into the first positioning groove (10), and the first positioning groove (10) positions the clamping mechanism (3).

6. The rotary riveter-nut-gun nailing mechanism according to claim 5, wherein the guiding groove (51) comprises a straight section (52) and an arc section (53), and when the guide rod (41) slides in the straight section (52), the clamping mechanism (3) moves vertically and moves out of the first positioning groove (10) or falls back into the first positioning groove (10); when the guide rod (41) slides in the arc segment (53), the clamping mechanism (3) deflects.

7. The automatic riveter nut gun rotary nailing mechanism of claim 5, wherein a nut guide (8) is further provided on the positioning means (9), a guide hole being provided in the nut guide (8); the blind rivet nut enters the clamping mechanism (3) from the guide hole.

8. The automatic riveter nut gun rotary nailing mechanism of claim 1, wherein the clamping mechanism (3) comprises a finger cylinder (31), and positioning blocks for clamping the riveter nut are arranged on both jaws of the finger cylinder (31).

9. The automatic riveter nut gun rotary nailing mechanism of claim 1, further comprising a mounting backplate (1), the riveter nut gun (2) being disposed on the mounting backplate (1), the driving means (4) and the clamping mechanism (3) being disposed on one side of the riveter nut gun (2).